すべてのツール
ブラウザ上で安全にPDFを結合・編集し、画像解像度を向上させ、コードを整形。すべての操作がプライバシー保護下で完結します。
PDF結合
複数のPDFファイルを1つのまとまった文書に素早く結合します。
PDF分割
PDF文書から特定のページ範囲を抽出したり、各ページを個別に分割します。
PDF圧縮
文字や画像の鮮明さを保ちながら、PDFファイルサイズを大幅に軽量化します。
PDF Word 変換
PDF文書を書式を維持したまま編集可能なWord形式（DOCX）に高精度変換します。
PDF PowerPoint 変換
PDFスライドを編集可能なPowerPointプレゼンテーション（PPTX）に変換します。
PDF Excel 変換
PDF内の表データを抽出して編集可能なExcelスプレッドシート（XLSX）に変換します。
Word PDF 変換
Word文書（DOC、DOCX）をどの端末でも崩れない標準PDFに変換します。
PowerPoint PDF 変換
PowerPointプレゼンテーション（PPT、PPTX）を高品質なPDF形式に変換します。
Excel PDF 変換
Excelワークブック（XLS、XLSX）を見やすく印刷可能なPDF形式に変換します。
PDF JPG 変換
PDFの各ページを高解像度のJPG画像に変換、または画像を抽出します。
JPG PDF 変換
JPG、PNGなどの画像ファイルを綺麗な1つのPDFドキュメントにまとめます。
Sign PDF Online
Draw, type, or upload your signature and place it securely on any PDF page.
Add Watermark to PDF
Stamp text or logo watermarks across PDF pages with full opacity and angle controls.
PDF 回転
向きが狂ったPDFページを90度、180度、270度回転させて修正します。
HTML to PDF
Convert web pages, HTML code, or HTML files into crisp, downloadable PDF documents.
PDF to HTML
Convert PDF documents into responsive, semantic HTML web pages with clean layout and typography.
PDF パスワード解除
パスワードで保護されたPDFのセキュリティ制限を解除します。
PDF パスワード設定
強力な256ビットAES暗号化でPDFを保護し、閲覧や印刷を制限します。
Organize PDF
Reorder and organize PDF pages.
PDF to PDF/A
Convert PDF files into ISO-standardized PDF/A format for long-term legal archiving and preservation.
Repair PDF
Recover data and repair corrupted, broken, or unreadable PDF files automatically.
Add Page Numbers to PDF
Add customized page numbers, headers, and footers to your PDF pages.
Scan to PDF
Capture physical documents with your device camera or scanner and convert them into clean multi-page PDFs.
OCR PDF (Text Recognition)
Convert scanned and image-based PDFs into searchable, selectable, and copyable text documents.
Compress PDF for Email
Optimize your PDF file under 25MB or 10MB to easily attach it in Gmail, Outlook, and Yahoo.
Delete PDF Pages
Select unwanted pages from your PDF file and remove them permanently.
Extract PDF Pages
Select specific pages from a PDF and save them as a separate independent document.
Reorder PDF Pages
Rearrange the sequence of pages in your PDF by simple drag and drop.
Pictures to PDF
Convert pictures and photos (JPG, PNG, WEBP, GIF, BMP) into a high-quality PDF document instantly.
PNG to PDF
Convert transparent or high-resolution PNG images into clean PDF documents.
WEBP to PDF
Convert modern WEBP web images into standard PDF files instantly.
PDF to PNG
Convert PDF pages into lossless PNG images with crisp text rendering.
PDF to Text
Extract all readable text and contents from your PDF document into a clean text file.
Remove PDF Metadata
Strip hidden author names, creation software, dates, and revision history from PDF files.
Crop PDF
Trim white margins and crop page dimensions across your PDF pages.
PDF to Grayscale (Black & White)
Convert color PDF documents into black and white or grayscale for ink-saving printing.
PDF Forms & Fill
Fill out interactive PDF form fields, add new input boxes, checkboxes, and export completed forms.
Compare PDF Documents
Compare two versions of a PDF document side-by-side and highlight changes and text differences.
Redact PDF (Permanent Blackout)
Permanently blackout and erase confidential text, phone numbers, credit cards, and private areas from PDF.
Translate PDF
Translate PDF documents across Arabic, English, Spanish, French, and German while keeping text structured.
PDF to Markdown
Convert PDF documents into structured Markdown (.md) with headings, bullet points, and code blocks.
Scan to PDF
Camera document scanner to PDF.
Remove Pages from PDF
Remove specific pages from PDF.
Remove Pages from PDF
Remove specific pages from PDF.
Extract Pages from PDF
Extract specific pages from PDF.
Watermark PDF
Add text or logo watermark to PDF.
Crop PDF Margins
Crop margins of PDF.
Add Page Numbers
Add page numbering to PDF.
PDF Translator
Translate PDF document.
Image Compressor
Compress JPG, PNG, and WebP images to reduce file size while preserving high visual quality.
Compress Image to 20KB
Compress your photo to under 20KB for passport, visa, government, and exam application portals.
Compress Image to 50KB
Reduce image file size to exactly 50KB or below for online document uploads.
Compress Image to 100KB
Compress photos and scans to under 100KB with crystal-clear legibility.
Resize Image
Change image dimensions in pixels, percentage, or centimeters while maintaining aspect ratio.
Crop Image
Crop photos to exact ratios like 1:1, 16:9, 4:3, or custom dimensions easily.
JPG to PNG
Convert JPG and JPEG images to lossless high-fidelity PNG format in seconds.
PNG to JPG
Convert PNG images to lightweight JPG format with adjustable background color and quality.
Convert Image to WEBP
Convert JPG and PNG images to modern WebP format for 30%+ smaller website images and faster SEO loading.
WEBP to JPG
Convert WebP images back into standard widely-compatible JPG files.
Remove Photo Metadata (EXIF Cleaner)
Strip GPS location, camera model, lens settings, and timestamps from your photos before sharing.
Blur Image / Censor Photo
Blur faces, license plates, sensitive text, or background areas easily in your browser.
Extract Color Palette from Image
Extract dominant color palettes and HEX / RGB codes from any picture or design.
Image to Base64 Converter
Convert any image file into Base64 encoded string data for embedding directly into HTML, CSS, or JSON.
Base64 to Image Converter
Decode Base64 string into a previewable, downloadable PNG or JPG image file.
Add Watermark to Image
Add custom text copyright or company logo watermarks to your pictures.
Image Resolution & DPI Studio
Change image resolution, pixel dimensions, print DPI (72, 150, 300, 600), aspect ratios, and export in 4K, 2K, 1080p or custom sizes.
Word & Character Counter
Count words, characters, sentences, paragraphs, and calculate reading time in real-time.
Case Converter
Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and kebab-case.
Remove Duplicate Lines
Quickly remove duplicate entries, lists, emails, and repeated lines from your text.
Sort Text Lines
Sort lines alphabetically (A-Z or Z-A), by length, or numerically.
Text Diff & Comparison
Compare two texts or code snippets side-by-side and highlight additions, deletions, and edits.
Clean Whitespace & Linebreaks
Strip double spaces, unnecessary tabs, and excessive blank lines from copied text.
Reverse Text & Words
Flip text backwards, reverse character order, or reverse entire words.
Find and Replace Text
Find words or phrases and replace them with new text across large documents.
GPA Calculator (College & High School)
Calculate your semester and cumulative GPA on a 4.0 or 5.0 scale with weighted course credits.
Final Exam Grade Calculator
Find out what score you need on your final exam to pass the class or earn your target grade.
Percentage Calculator
Calculate percentage change, discounts, ratios, and what percentage X is of Y.
Pomodoro Study Timer
Boost study productivity with customizable 25-minute focus intervals and 5-minute restorative breaks.
Reading & Speaking Time Calculator
Calculate how many minutes it will take to read an article or deliver a spoken presentation.
Loan & Mortgage Payment Calculator
Calculate monthly payments, total interest paid, and full loan amortization schedule.
Compound Interest Calculator
Calculate future investment growth with compound interest and regular monthly contributions.
Age Calculator (Exact Years, Months, Days)
Find your exact age in years, months, days, hours, and find upcoming birthday countdown.
Discount & Sale Price Calculator
Calculate final price after sale discounts, coupons, and see total money saved.
JSON Formatter & Validator
Format, beautify, validate, and minify JSON data with instant error detection.
Base64 Encoder & Decoder
Encode text into Base64 format or decode Base64 strings back to UTF-8 text.
QR Code Generator
Create customized downloadable QR codes for websites, Wi-Fi networks, text, and contacts.
JWT Token Decoder & Inspector
Decode JSON Web Tokens (JWT) to inspect header, payload claims, and expiration dates securely in your browser.
URL Percent Encoder & Decoder
Encode special characters in URLs with percent-encoding (%20) or decode percent-encoded URLs back to readable text.
UUID / GUID v4 Generator
Generate cryptographically secure random UUID v4 and GUID identifiers individually or in bulk.
Hash Generator (SHA-256, SHA-1, SHA-512)
Compute SHA-256, SHA-1, SHA-384, and SHA-512 cryptographic hashes of any string directly in your browser.
Unix Timestamp Converter
Convert epoch Unix timestamp seconds and milliseconds into human-readable UTC and local date formats.
HTML Formatter & Minifier
Beautify messy HTML code with proper indentation or minify it to reduce webpage loading size.
CSS Formatter & Minifier
Format, indent, and organize CSS stylesheets or minify CSS to save bandwidth and boost Core Web Vitals.
SQL Query Formatter
Format and indent complex SQL queries with standard uppercase keywords and readable line breaks.
Color Converter (HEX, RGB, HSL)
Convert color codes seamlessly between HEX, RGB, RGBA, and HSL formats with live color preview.
CSV to JSON Converter
Convert spreadsheet CSV rows and tables into structured JSON arrays of objects instantly in your browser.
Online Barcode Generator
Create downloadable product barcodes (Code 128, EAN-13, UPC) for inventory and retail products.
Wi-Fi QR Code Generator
Generate a QR code that lets guests connect instantly to your Wi-Fi network without typing passwords.
vCard Digital Contact QR Code
Create a digital business card QR code that adds your contact info directly to phone address books.
Strong Password Generator
Generate uncrackable, cryptographically secure passwords with custom lengths and character types.
Random Number Generator & Dice
Pick truly random numbers between custom ranges, roll dice, or select winners for contests.
Random Decision & Option Picker
Can't decide? Enter your options and let the random picker choose the best decision for you.
Interactive Wheel of Names Spinner
Spin the digital colorful wheel of names to pick lucky winners for giveaways, raffles, and classroom activities.
Lorem Ipsum Dummy Text Generator
Generate standard placeholder dummy text in paragraphs, sentences, or words for UI and mockups.
SVG to PNG Converter
Convert scalable vector SVG files into high-resolution transparent PNG images.
Random Name & Identity Generator
Generate random realistic first and last names for characters, game avatars, or test data.
Character & Tweet Length Counter
Track exact character counts with and without spaces to stay within social media limits.
Sentence & Paragraph Counter
Analyze readability and count sentences and paragraphs across academic essays.
Text to CSV Column Formatter
Convert line-separated text or tab-delimited values into standardized CSV spreadsheets.
GPA to Percentage Converter (4.0 & 5.0)
Convert your 4.0 or 5.0 university GPA into equivalent percentage grade scores for applications.
Watermark Image Protection
Add custom copyright watermark stamps to prevent photo theft and protect intellectual property.
Home Mortgage Calculator with Taxes
Calculate monthly home mortgage payments, property taxes, home insurance, and total interest over time.
Savings Goal & Deposit Calculator
Find out how much money you need to save each month to reach your financial target by a set date.
Salary to Hourly Pay Converter
Convert annual salary into hourly rate, daily wage, weekly paycheck, and monthly income.
Inflation & Purchasing Power Calculator
Calculate how inflation affects the value of money over time and what future purchasing power will be.
Restaurant Tip & Bill Splitter
Calculate restaurant tip percentage and split total bill evenly among friends or dinner guests.
BMI Calculator (Body Mass Index)
Calculate your Body Mass Index (BMI) and discover your healthy weight category instantly.
Daily Calorie & TDEE Calculator
Calculate your basal metabolic rate (BMR) and total daily energy expenditure (TDEE) to maintain, lose, or gain weight.
Trip Fuel Cost & Consumption Calculator
Estimate total liters of fuel needed and trip travel costs based on distance and fuel price.
Date Difference & Days Between Dates
Calculate the exact number of days, weeks, months, and weekdays between two calendar dates.
Hours & Minutes Time Calculator
Add or subtract hours, minutes, and seconds to calculate total work hours, timesheets, and project duration.
ZIP File Creator (Compress Files Online)
Create a password-free, compressed ZIP archive from multiple files directly in your browser without uploading.
File Size & Data Units Converter
Convert between Bytes, Kilobytes (KB), Megabytes (MB), Gigabytes (GB), and Terabytes (TB) instantly.
JSON to CSV Spreadsheet Converter
Convert JSON array data into formatted CSV tables compatible with Microsoft Excel and Google Sheets.
File Extension to MIME Type Checker
Look up standard Internet media MIME types for any file extension (e.g. .pdf, .webp, .json, .mp4).
CSS Gradient Generator (Linear & Radial)
Design modern linear and radial CSS color gradients with custom angles and copy ready-to-use CSS code.
CSS Box Shadow Visual Generator
Visually configure horizontal offset, vertical offset, blur radius, spread, and shadow color.
Online Color Picker & Palette
Pick any color on the visual canvas, adjust brightness and hue, and get instant HEX, RGB, and HSL codes.
Aspect Ratio Calculator (16:9, 4:3, 1:1)
Calculate proportional dimensions for videos, images, and screens to avoid distortion or black bars.
Precision Online Stopwatch with Laps
Millisecond-precision online stopwatch with start, pause, reset, and lap split time tracking.
Event & Exam Countdown Timer
Set custom countdowns for exams, launches, holidays, or deadlines with a clear digital display.
World Clock & Global Time Zones
Check exact current time, date, and daylight saving across major global cities in real-time.
YouTube Thumbnail Resizer (1280x720)
Resize and optimize pictures to the perfect 1280x720 16:9 YouTube thumbnail resolution under 2MB.
Instagram Square & Portrait Resizer
Fit your photos perfectly to 1080x1080 square or 1080x1350 portrait without unwanted cropping.
TikTok & Reels Cover Sizer (1080x1920)
Prepare full vertical HD 1080x1920 covers for TikTok, Instagram Reels, and YouTube Shorts.
LinkedIn Banner & Cover Resizer (1584x396)
Format company headers and personal profile banners to LinkedIn's official 1584x396 dimensions.
APA Citation Generator (7th Edition)
Generate accurate academic citations and bibliographies in APA 7th Edition format for books, websites, and journals.
MLA Citation Generator (9th Edition)
Create perfectly formatted MLA 9th Edition citations for humanities papers and literature essays.
Weighted Grade Calculator
Calculate your overall weighted class average based on homework, quizzes, midterm, and final exam percentage weights.
Academic Essay Word Counter & Target Tracker
Track your writing progress toward a required essay word count (e.g. 1500 words) with real-time percentage completed.
Cumulative CGPA Calculator & Converter
Combine multi-semester GPA records and calculate your exact cumulative grade point average (CGPA).
College Study Hours & Workload Calculator
Calculate recommended weekly study hours outside of class based on credit hours and course difficulty.
Flatten PDF Forms & Layers
Lock form fields, signatures, and interactive annotations permanently into non-editable PDF page content.
Reverse PDF Page Order
Reverse the sequence of pages in your PDF document from last to first with one click.
Duplicate PDF Pages
Clone or duplicate specific pages inside a PDF document easily for forms and certificates.
Text to PDF Document Converter
Convert plain text files or pasted notes into cleanly formatted, downloadable PDF documents.
Extreme PDF Compressor
Apply maximum compression to large scanned PDFs to achieve the smallest possible file size.
Balanced PDF Compression
Reduce PDF size with optimal balance between sharp text clarity and light file size.
Pixelate Image & Censor Faces
Pixelate faces, license plates, or confidential document areas with adjustable block sizes.
Round Image Corners (Border Radius)
Round picture corners with custom pixel radius and export as transparent background PNG images.
Flip Image Horizontally & Vertically
Mirror or flip photos horizontally (left-to-right) or vertically (upside down) in one click.
WCAG Color Contrast Ratio Checker
Calculate color contrast ratios between text and background to ensure WCAG AA and AAA accessibility compliance.
PII Sensitive Data Redactor
Automatically scan and redact credit card numbers, phone numbers, and email addresses from plain text before sharing.
AES-256 Text Encryptor
Encrypt private messages and sensitive notes locally using military-grade 256-bit AES-GCM encryption.
AES-256 Text Decryptor
Decrypt AES-GCM encrypted ciphertext back into readable text using the correct secret password.
Password Strength & Crack Time Analyzer
Evaluate password entropy, complexity, and estimate how long brute-force attacks would take to crack it.
Morse Code Audio & Text Translator
Translate standard text to dots and dashes Morse code (. and -) with visual translation.
Appliance Electricity Cost Calculator
Calculate daily, monthly, and annual electricity costs for home appliances based on wattage and tariff rates.
Grocery Best Value & Unit Price Comparator
Compare two differently packaged supermarket items and discover which product gives you the cheapest cost per gram or liter.
Daily Macronutrient (Macros) Calculator
Calculate your optimal daily grams of protein, carbohydrates, and fats for fat loss, muscle building, or maintenance.
Simple Interest Calculator (I = P*r*t)
Calculate simple interest earned or paid on personal loans and fixed deposits with the formula I = P * r * t.
XML Formatter & Beautifier
Format, indent, and beautify XML feeds and sitemaps with proper nested tags and clean line breaks.
HTML Entities Encoder
Convert reserved characters like <, >, &, ", and ' into their safe HTML entity equivalents (<, >, &).
HTML Entities Decoder
Decode HTML entity strings (&, <, >, ") back into original characters.
Linux Chmod Permissions Calculator
Visually calculate octal (755, 644) and symbolic (rwxr-xr-x) file and directory permissions for Linux/Unix servers.
Interactive HTTP Status Codes Reference
Quickly look up meanings, browser implications, and fix suggestions for HTTP status codes (200, 301, 404, 500, 503).
Repair Damaged PDF Files
Recover and reconstruct damaged or unreadable PDF document structures and cross-reference tables locally.
Extract Embedded Images from PDF
Extract and download every individual picture embedded inside a PDF document at its original quality.
PDF Booklet Printing Layout
Re-order and arrange PDF pages for 2-up double-sided booklet and brochure printing.
PDF Resolution & DPI Print Checker
Inspect embedded page dimensions, print PPI/DPI, and verify if document is suitable for commercial 300 DPI printing.
Image DPI & Print Dimensions Calculator
Calculate maximum physical print dimensions in inches and centimeters from image pixel width and DPI.
Image Megapixels & File Size Estimator
Calculate total megapixels and estimate uncompressed RAW vs compressed JPG file sizes for cameras and smartphones.
Placeholder Dummy Image Generator
Generate custom placeholder images with specific dimensions, background colors, and custom overlay text.
Color Blindness Vision Simulator
Simulate how your website, branding, and images look to people with Protanopia, Deuteranopia, or Tritanopia.
Photo Censorship Black Bars Adder
Add bold black censor bars over confidential eyes, documents, or names before sharing online.
Website Favicon & App Icon Generator
Generate multi-resolution browser favicons (16x16, 32x32, 48x48) from any square logo or image.
2FA TOTP Two-Factor Code Generator
Generate time-based one-time password (TOTP) 6-digit authentication codes from secret keys securely in browser.
Itemised Group Bill & Tax Splitter
Assign restaurant dishes and drinks to individual guests, then distribute taxes and tips proportionally.
Recipe Servings & Ingredients Scaler
Scale cooking and baking recipe ingredients up or down based on your target number of servings.
Debt Snowball & Payoff Calculator
Create an accelerated payoff timeline for loans and personal debts using the debt snowball method.
Credit Card Minimum vs Accelerated Payoff
Discover how paying only the minimum credit card balance costs thousands in interest and calculate faster repayment.
YAML to JSON Converter
Convert Kubernetes, Docker Compose, and CI/CD YAML configuration files into formatted JSON objects.
JSON to YAML Converter
Convert structured JSON data arrays and objects into clean, readable YAML configuration syntax.
Online Regular Expression (Regex) Tester
Test and debug JavaScript Regular Expressions in real-time with instant match highlighting and group capture.
Semester & Academic Year Countdown
Live digital countdown to the end of the university semester, final exams, and summer vacation.
Universal Bibliography Reference Formatter
Sort and format multiple research sources alphabetically into a unified bibliography page.
Online Tone & Frequency Sound Generator
Generate pure sine, square, sawtooth, and triangle audio frequencies from 20 Hz to 20,000 Hz in real-time.
Binaural Beats Generator for Focus & Sleep
Generate custom Alpha, Beta, Theta, and Delta binaural brainwave frequencies for deep study, meditation, and sleep.
Interactive Online Musical Metronome
Precise digital metronome with adjustable BPM, tap tempo, and time signatures (2/4, 3/4, 4/4, 6/8) for musicians.
Acoustic & Electric Guitar String Tuner
Play reference standard tuning pitches for all 6 guitar strings (E2, A2, D3, G3, B3, E4) to tune your instrument accurately.
White, Pink & Brown Noise Focus Generator
Mask background distractions with soothing ambient White, Pink, and Brown noise for work, study, or sleep.
Tap BPM Rhythm Counter & Calculator
Calculate the exact beats per minute (BPM) of any song or musical rhythm by tapping along with the beat.
In-Browser Voice & Audio Recorder
Record high quality audio and voice notes directly through your browser microphone with instant download.
Microphone Decibel Sound Level Meter
Measure ambient room volume and microphone input audio levels in decibels (dB) in real-time.
Audio Waveform & Spectrum Visualizer
Visualize sound waves and frequency spectrums in real-time with responsive Canvas animations.
Audio Trimmer & Cutter
Trim, crop, or cut unwanted start and end sections from audio tracks directly in your browser.
Audio Speed & Pitch Shifter
Speed up or slow down audio playback and transpose pitch higher or lower without distortion.
Reverse Audio Player & Exporter
Play audio tracks backward or create reversed sound effects for creative editing.
Live Markdown to HTML Converter
Convert GitHub-flavored Markdown text to clean, semantic HTML code with instant live preview.
HTML to Markdown Converter
Convert HTML tags, articles, and rich text snippets into clean, portable Markdown syntax.
Text & Code Diff Comparison Checker
Compare two texts or code files side-by-side to highlight added, removed, and modified lines.
SEO Friendly URL Slug Generator
Convert article titles and headlines into clean, URL-safe slugs with Arabic transliteration support.
Invisible & Zero-Width Character Detector
Detect, reveal, and strip hidden zero-width spaces, non-breaking spaces, and malicious homoglyphs from text.
Alternating & Mocking Spongebob Case
Convert regular text into alternating mocking case (hElLo wOrLd) or invert existing capitalizations.
NATO Phonetic Alphabet Translator
Spell out words, serial numbers, and codes clearly using the international NATO phonetic alphabet (Alpha, Bravo, Charlie...).
Zalgo Glitch & Cursed Text Generator
Add creepy, glitched, and chaotic diacritic marks above, through, and below text with adjustable intensity.
Fancy Font & Aesthetic Unicode Text Generator
Generate stylish Unicode aesthetic fonts (cursive, gothic, bold, script) for Instagram, TikTok, and bios.
Morse Code Audio Tone Player
Listen to real audio beeps for Morse code dots and dashes with adjustable playback speed and pitch.
Remove Duplicate Lines from Lists & Text
Instantly clean up lists by removing duplicate lines with case sensitivity and trimming options.
Line Numberer & Code Number Adder
Add sequential numbers or custom prefixes to each line of text or source code snippets.
Quadratic Equation Solver with Steps
Solve quadratic equations instantly to find real or complex roots, discriminant, and parabola vertex.
Roman Numeral Converter (Both Ways)
Convert standard Arabic numerals to Roman numerals (e.g. 2026 -> MMXXVI) and Roman numerals to numbers.
Fraction Simplifier & Mixed Number Calculator
Simplify fractions to their lowest terms and convert improper fractions into mixed numbers with decimals.
Scientific & Engineering Notation Converter
Convert standard numbers into scientific notation (e.g. 4.5 × 10⁶) or E-notation and vice versa.
Matrix Determinant Calculator (2x2 & 3x3)
Calculate determinants of 2x2 and 3x3 matrices with step-by-step formula breakdown.
Color Model Converter (HEX, RGB, HSL)
Convert colors between HEX, RGB, and HSL formats with interactive color picker and CSS code export.
Pressure Units Converter (PSI, Bar, Pa, atm)
Convert pressure measurements between PSI, Bar, Pascal (Pa), Kilopascal (kPa), Atmospheres (atm), and Torr.
Torque Converter (Nm, ft-lb, in-lb, kg-m)
Convert mechanical torque values between Newton-meters (Nm), Foot-pounds (ft-lb), and Inch-pounds (in-lb).
Force Units Converter (Newtons, Dyne, lbf, kgf)
Convert physical force between Newtons (N), Kilonewtons (kN), Pound-force (lbf), and Kilogram-force (kgf).
Energy & Work Converter (Joules, Calories, BTU, kWh)
Convert energy between Joules (J), Kilojoules, Calories, Kilocalories (kcal), Watt-hours, and British Thermal Units (BTU).
Power Converter (Watts, Kilowatts, Horsepower)
Convert power between Watts (W), Kilowatts (kW), Mechanical Horsepower (HP), and BTU per hour.
Angle Converter (Degrees, Radians, Gradians)
Convert geometrical angles between Degrees, Radians (π rad), Gradians, Arcminutes, and Arcseconds.
IPv4 Subnet & CIDR Mask Calculator
Calculate network address, broadcast address, netmask, wildcard, and usable host IP ranges for any CIDR block.
IPv6 Address Expander & Compressor
Expand shortened IPv6 addresses to full 8-hextet zero-padded representation or compress to RFC standard format.
Browser User-Agent String Parser & Inspector
Parse your current or custom browser User-Agent string to detect OS, browser engine, hardware device, and version.
Screen Resolution & Device Display Tester
Inspect your active screen resolution, viewport width and height, device pixel ratio (DPR), and color depth.
HTTP Cookie String Header Parser
Parse raw HTTP document.cookie strings into clean, sorted key-value pairs with instant JSON export.
Crontab Expression Generator & Explainer
Build cron expressions easily and understand exactly when and how often tasks will run in human language.
DNS Record Generator & Guide (A, CNAME, MX, TXT)
Configure and generate standard DNS records (A, AAAA, CNAME, MX, TXT, SPF, DKIM) for domain setups.
Robots.txt SEO File Generator
Generate custom, search-engine friendly robots.txt directives to control crawler indexing and specify sitemaps.
XML Sitemap File Generator for SEO
Build valid XML sitemaps from URL lists with customizable change frequency and crawl priority values.
Open Graph & Twitter Meta Tag Generator
Generate complete Open Graph and Twitter Card social preview meta tags with live social preview mockup.
Schema.org JSON-LD Rich Snippet Generator
Create Google rich result structured data in JSON-LD format for Articles, FAQs, Products, and Organizations.
SQL Query Formatter & Beautifier
Format, uppercase keywords, and indent messy SQL database queries for improved readability.
Interactive Visual Markdown Table Generator
Build and edit Markdown tables in a visual spreadsheet-like grid with instant column alignment.
Base58 Encoder & Decoder (Bitcoin / IPFS)
Encode and decode text to and from Base58 alphanumeric format used in cryptocurrency and decentralized networks.
AI Text Summarizer & TL;DR
Summarize long articles, research papers, essays, and reports into concise key takeaways, bullet points, or executive summaries.
AI Paraphraser & Rewriter
Rewrite sentences, paragraphs, and essays with alternative vocabulary, improved flow, and multiple tones (Fluent, Formal, Creative, Academic).
AI Grammar & Spell Checker
Instantly detect spelling mistakes, punctuation errors, grammatical flaws, and awkward phrasing in Arabic and English with smart explanations.
AI Email & Professional Letter Writer
Generate polished corporate emails, cover letters, client follow-ups, inquiries, and polite meeting requests in seconds from brief notes.
AI Prompt Enhancer & Master Generator
Transform rough, short ideas into high-performing, detailed prompts tailored for ChatGPT, Claude, Midjourney, FLUX, and DALL-E.
AI Code Explainer & Bug Detector
Paste code in Python, JavaScript, TypeScript, SQL, Rust, Go, or C++ to receive clean line-by-line explanations, bug checks, and optimization tips.
AI Video & Transcript Summarizer
Convert long video transcripts, podcast notes, and interview scripts into structured chapter breakdowns, key quotes, and actionable conclusions.
AI Contextual Translator (Ar ⇄ En)
Smart, culturally aware translation between Arabic and English that preserves idioms, technical jargon, and natural human conversational tone.
AI PDF Exam & Quiz Extractor (Student Slide to Q&A)
Extract exam questions and key concepts from lecture slides and textbook PDFs page-by-page. Automatically builds interactive practice quizzes, question banks, and flashcards with instant answer checking.
Sign PDF Online (Free)
Draw your signature or upload a stamp to place directly onto any page of your PDF document 100% free with complete privacy.
PDF to Grayscale (Black & White)
Convert color PDF pages to grayscale to save expensive printer ink, reduce printing costs, and optimize file size.
Crop PDF Margins & Trim Space
Trim unnecessary white margins, scanner borders, and headers/footers from PDF pages for optimized reading on tablets.
PDF Page Organizer & Reorder
Reorder pages, move page 3 to page 1, reverse page sequences, or remove unwanted sheets with visual thumbnails.
Flatten PDF Form Fields
Merge fillable PDF forms, checkboxes, text fields, and signatures into permanent background layers so they cannot be edited.
Extract Color Palette from Image
Upload any photo, poster, or UI screenshot to instantly extract the 5 dominant colors with HEX and RGB codes.
Face & Privacy Image Pixelator (Censor)
Pixelate or blur sensitive photos, IDs, faces, car plates, or confidential documents before sharing on social media.
Image Color Inverter (Negative)
Invert all colors in photos and graphics to produce artistic negative photo effects or invert black/white document scans.
SVG to High-Res PNG / JPG Converter
Convert vector SVG graphics and icons into crisp, high-resolution PNG or JPG images with custom scaling up to 4K.
HMAC Generator (Keyed-Hash)
Compute cryptographic Hash-based Message Authentication Codes (HMAC-SHA256, HMAC-SHA512) using a secret key.
JSON to CSV & Excel Converter
Transform JSON arrays and object collections into clean CSV format ready for import into Microsoft Excel or Google Sheets.
ASCII ↔ Binary ↔ Hex ↔ Decimal
Convert text strings to Binary (0101), Hexadecimal (0x), Decimal, and vice versa in real time.
URL Parser & Query String Inspector
Deconstruct any complex URL into protocol, hostname, port, pathname, hash, and decoded query parameters table.
Keyboard KeyCode & Event Tester
Press any key on your keyboard to instantly reveal its JavaScript event properties: e.key, e.code, e.which, and keyCode.
Universal Color Converter (HEX, RGB, HSL, CMYK)
Convert any color across HEX, RGB, RGBA, HSL, HSV, and CMYK printing color spaces with an interactive color picker.
Docker Run to Docker Compose Converter
Paste complex 'docker run' terminal commands with ports, volumes, and env variables to instantly generate clean docker-compose.yml files.
Percentage Calculator Pro (3-in-1)
Calculate what is X% of Y, X is what percent of Y, or the percentage increase/decrease between two numbers with step-by-step formulas.
Exact Age Calculator & Birthday Ticker
Calculate your exact age in years, months, days, total hours, minutes, and seconds, plus the countdown to your next birthday.
Work Hours & Overtime Timesheet
Track daily punch-in / punch-out times, calculate total weekly hours, deduct breaks, and compute gross earnings with overtime pay.
Sales Tax & VAT Calculator
Calculate gross amount, net amount, and tax value with customizable VAT/Sales tax rates (5%, 15%, 20%, etc.) in Add or Remove mode.
YouTube Thumbnail Downloader (HD & 4K)
Download original Maximum Resolution (1080p/4K), High Definition, and Standard thumbnails from any YouTube video link instantly.
Instagram & TikTok Fancy Font Generator
Generate 25+ styled Unicode fonts (Bold, Cursive, Gothic, Double-struck, Circles) to make your bio, captions, and comments stand out.
Fake Tweet & Quote Card Generator
Create realistic, high-quality tweet and social quote cards with custom avatars, handles, verified badges, and metrics for presentations and memes.
Bcrypt Hash Generator
Hash and verify passwords using bcrypt algorithm
BIP39 Mnemonic Generator
Generate BIP39 seed phrases for crypto wallets
ULID Generator
Generate Universally Unique Lexicographically Sortable Identifiers
Basic Auth Generator
Generate HTTP Basic Authentication headers
RSA Key Pair Generator
Generate RSA public/private key pairs
IPv4 Address Converter
Convert IPv4 between decimal, hex, binary and octal
IPv4 Range Expander
Expand CIDR notation to full IP address ranges
IPv6 ULA Generator
Generate IPv6 Unique Local Addresses
Random Port Generator
Generate random available network port numbers
MAC Address Generator
Generate random MAC addresses
MAC Address Lookup
Look up vendor information from MAC address OUI
String Obfuscator
Obfuscate and mask sensitive strings
Text to Unicode
Convert text to Unicode code points and back
Text to Binary
Convert text to binary representation and back
Text Diff Checker & Viewer
Compare two texts side-by-side and highlight differences
Text Statistics
Analyze reading time, word density and text metrics
IBAN Validator
Validate IBAN numbers and extract country/bank info
Phone Parser & Formatter
Parse and format phone numbers to international format
Email Normalizer
Normalize email addresses by removing dots and plus aliases
Numeronym Generator
Create numeronyms like i18n from internationalization
Password Strength Analyzer
Analyze password entropy and estimated crack time
SafeLink Decoder
Decode Microsoft SafeLinks and Proofpoint URLs
ETA Calculator
Calculate estimated time of arrival/completion
Percentage Difference Calculator
Calculate percentages, increases, decreases and relative difference
Integer Base Converter
Convert numbers between decimal, hex, octal and binary
Math Evaluator
Evaluate mathematical expressions with variables
JSON Minifier
Compact and minify JSON by removing whitespace
JSON Diff
Compare two JSON objects and highlight differences
JSON to XML
Convert JSON data to XML format
XML to JSON
Convert XML data to JSON format
JSON to TOML
Convert JSON data to TOML format
TOML to JSON
Convert TOML data to JSON format
TOML to YAML
Convert TOML data to YAML format
YAML to TOML
Convert YAML data to TOML format
JSON Tree Viewer
Interactive collapsible JSON tree visualization
YAML Viewer
Formatted YAML viewer with syntax highlighting
List Converter
Convert between comma, newline, JSON array and other list formats
Emoji Picker
Search and copy emojis with categories and skin tones
Benchmark Builder
Create and run JavaScript performance benchmarks
Camera Recorder
Record video from your webcam in the browser
Chronometer
Stopwatch with lap timer and split times
Device Information
View your browser, OS, screen and device details
Temperature Converter
Convert between Celsius, Fahrenheit and Kelvin
WiFi QR Code Generator
Generate QR codes for WiFi network credentials
SVG Placeholder Generator
Generate customizable SVG placeholder images
Markdown to HTML Live Editor
Convert Markdown to HTML with live interactive preview
Meta Tag Generator
Generate HTML meta tags for SEO and social sharing
MIME Types Checker
Look up MIME types by file extension and vice versa
JWT Token Inspector
Decode and inspect JSON Web Tokens with header, payload and claims
PDF OCR Text Extractor
Extract text from scanned PDFs using OCR
PDF Compare
Compare two PDF files side by side
PDF Redact
Redact and black out sensitive content in PDFs
HEIC to JPG
Convert iPhone HEIC photos to JPG format
WebP to JPEG Converter Pro
Convert WebP images to high quality JPG/JPEG format
WebP to PNG
Convert WebP images to PNG format
JPG to WebP
Convert JPG images to modern WebP format
PNG to WebP
Convert PNG images to modern WebP format
TIFF to JPG
Convert TIFF images to JPG format
Image Collage Maker
Create photo collages with grid layouts
Meme Generator
Create memes with custom text and images
Chart Maker
Create bar, pie and line charts online
Video to GIF
Convert video clips to animated GIF images
CSV to JSON Transformer
Convert CSV data to structured JSON with custom options
CSV to XML
Convert CSV data to XML format
JSON to XML File
Convert JSON to XML with file download
Split CSV
Split large CSV files into smaller chunks by row count
Business Name Generator
Generate creative business and startup name ideas
Privacy Policy Generator
Auto-generate privacy policies for websites and apps
PDF to EPUB Converter
Convert PDF documents and books into standard, reflowable EPUB e-books for Kindle, Apple Books, and e-readers.
PDF Booklet Maker (Print Imposition)
Re-sequence and pair PDF pages for 2-sided saddle-stitch booklet printing ready to fold and bind.
PDF Page Duplicator & Multiplier
Duplicate specific pages or repeat the entire PDF document multiple times for batch printing tickets, receipts, and vouchers.
PDF Metadata & Properties Editor
Inspect, modify, or completely scrub PDF document properties including Title, Author, Subject, Keywords, and Creator.
PDF N-Up Multi-Page Layout
Fit 2, 4, 6, 8, 9, or 16 PDF pages onto a single sheet to save paper and create printable handouts and cheat sheets.
PDF Dark Mode & Color Inverter
Invert colors or apply comfortable high-contrast dark reading mode (black canvas with crisp white text) for comfortable reading.
Free Invoice & Receipt Generator
Create professional business and tax invoices with instant PDF export, VAT calculation, and custom currency support directly in your browser.
Passport & Visa Photo Maker
Crop, resize, and prepare official biometric passport and visa photos (US 2x2, Schengen 35x45mm) with printable 4x6 sheet grids.
Auto Loan & Debt Payoff Calculator
Calculate auto financing monthly payments, total interest costs, sales tax, and view full annual amortization schedule.