255+ Free Browser-Based Tools
All Free Tools
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Showing 255 tools
Free Word Counter Online
Count words, characters, sentences and reading time instantly.
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Text Case Converter
Convert text between UPPER, lower, Title and other cases.
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Lorem Ipsum Generator
Generate placeholder text by paragraphs, sentences or words for mockups.
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Text Diff Checker
Compare two texts side by side and highlight every change.
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Duplicate Line Remover
Instantly strip duplicate or blank lines from any block of text.
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Text Reverser
Flip any text backwards — character by character or word by word.
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Text Sorter
Sort lines alphabetically, by length, numerically or randomly.
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Find & Replace
Find and replace text across any block, with regex support.
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Word Frequency Counter
See a ranked table of how often each word appears in your text.
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Markdown to HTML Converter
Convert Markdown to clean HTML with a live rendered preview.
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Whitespace Remover
Strip unwanted spaces, tabs and hidden whitespace characters.
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Text to Slug Converter
Convert any title or phrase into a clean, URL-friendly slug.
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Sentence Counter
Count sentences, words and get a reading ease score instantly.
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Palindrome Checker
Check if a word or phrase reads the same forwards and backwards.
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Reading Time Estimator
Estimate how long it takes to read any piece of text or article.
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Remove Line Breaks
Strip or replace line breaks and extra whitespace in text.
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Morse Code Translator
Convert text to Morse code and Morse code back to text instantly.
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ROT13 Encoder / Decoder
Encode or decode text with the ROT13 substitution cipher in one click.
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Text Repeater
Repeat any word, line or block of text a custom number of times.
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Leet Speak Generator
Convert normal text into 1337 sp34k style with adjustable leet level.
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ASCII Art Generator
Turn any word or phrase into large ASCII art text banners with multiple fonts.
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Text ↔ Binary / Hex Converter
Convert plain text to binary or hex and decode it back to text instantly.
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Random Word Generator
Generate random English words by count, length or starting letter instantly.
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Unicode Text Converter
Convert text into fancy Unicode styles — bold, italic, cursive, bubble and more.
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Email Extractor
Extract all email addresses from any block of text instantly.
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JSON Formatter & Validator
Beautify, validate and minify JSON quickly and easily.
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URL Encoder / Decoder
Encode or decode URL components for safe transmission.
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Regex Tester
Test regular expressions with live match highlighting.
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UUID Generator
Generate cryptographically random UUID v4 strings in bulk.
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Base64 Encoder / Decoder
Encode or decode Base64 strings instantly in your browser.
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HTML Encoder / Decoder
Encode special characters as HTML entities or decode them back.
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HTML Minifier
Minify HTML to remove whitespace and reduce file size.
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CSS Minifier
Minify CSS to remove whitespace and reduce file size.
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JavaScript Minifier
Minify JavaScript to reduce file size and improve page performance.
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JSON to CSV Converter
Convert JSON arrays to CSV format instantly in your browser.
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JWT Decoder
Decode and inspect JSON Web Token (JWT) claims instantly.
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Hash Generator
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes from any text.
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Cron Expression Generator
Build cron expressions visually and understand what they do.
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Binary & Hex Calculator
Perform arithmetic in binary, hexadecimal, decimal and octal.
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Number Base Converter
Convert numbers between binary, octal, decimal and hexadecimal.
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HTTP Status Codes
Complete plain-English reference for all HTTP status codes.
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Unix Timestamp Converter
Convert Unix/epoch timestamps to readable dates and vice versa.
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Encryption / Decryption
Encrypt and decrypt text with AES-256. No data leaves your browser.
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SVG to PNG Converter
Convert SVG vector images to PNG raster format instantly.
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Image Compressor
Reduce JPG & PNG file size in your browser. No uploads.
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QR Code Generator
Create QR codes for URLs, text or contact details.
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Image Resizer
Resize images to exact dimensions or by percentage in-browser.
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Image Color Picker
Click any pixel in an image to get its HEX, RGB and HSL colour values.
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JPG to PNG Converter
Convert JPG / JPEG images to lossless PNG format entirely in your browser.
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PNG to JPG Converter
Convert PNG images to compressed JPG with adjustable quality. No uploads.
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WebP to PNG Converter
Decode WebP images and save them as PNG files — works fully offline.
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PNG to WebP Converter
Convert PNG images to smaller WebP format for faster web pages.
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JPG to WebP Converter
Turn JPG photos into efficient WebP files without any server upload.
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GIF to PNG Converter
Extract any frame from a GIF and save it as a still PNG image.
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GIF to JPG Converter
Extract a frame from a GIF animation and save it as a JPG photo instantly.
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GIF to WebP Converter
Convert GIFs to smaller WebP format for faster web pages — runs in your browser.
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Image Format Converter
Convert images between JPG, PNG, WebP and more formats.
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Image to Base64 Encoder
Convert images to Base64 data URIs for embedding in HTML or CSS.
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Favicon Generator
Create favicons in .ico and PNG formats from any image or text.
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Image Watermark Tool
Add text or image watermarks to photos in your browser. No uploads.
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Image Editor
Adjust brightness, contrast, blur, filters, rotate, flip, resize and more — all in-browser.
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WebP to JPG Converter
Convert WebP images to universally compatible JPG format in your browser.
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BMP to PNG Converter
Convert BMP bitmap images to compressed PNG format instantly in your browser.
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BMP to JPG Converter
Convert BMP images to JPG for smaller file sizes and wider compatibility.
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TIFF to PNG Converter
Convert TIFF images to portable PNG format instantly in your browser.
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TIFF to JPG Converter
Convert high-quality TIFF files to compact JPG images instantly in your browser.
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ICO to PNG Converter
Extract PNG images from .ico favicon files at any available size.
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PNG to ICO Converter
Create .ico favicon files from PNG images with multiple sizes in one file.
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SVG to JPG Converter
Rasterise SVG vector graphics to JPG images at any resolution in your browser.
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HEIC to JPG Converter
Convert iPhone HEIC photos to universally supported JPG format in your browser.
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AVIF to PNG Converter
Convert next-gen AVIF images to lossless PNG format instantly in your browser.
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Color Palette Extractor
Extract the dominant color palette from any image as HEX, RGB and HSL values.
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PNG Compressor
Compress PNG files using canvas re-encoding to reduce size. No uploads.
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WebP Compressor
Reduce WebP file sizes with adjustable quality settings, no upload needed.
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GIF Compressor
Shrink animated GIF file sizes by reducing colors and optimising frames.
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EXIF Metadata Viewer
View camera model, GPS, exposure and all metadata embedded in a photo.
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Placeholder Image Generator
Generate solid-color or gradient placeholder images at any custom size.
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Image to ASCII Art
Convert any image into ASCII text art with adjustable character density.
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EXIF Metadata Remover
Strip all EXIF metadata from images to protect your privacy before sharing.
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Image Histogram
Visualise the RGB and luminance distribution of any image instantly.
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SVG Compressor
Minify and optimise SVG files by removing metadata and redundant markup.
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Image Comparison Slider
Place two images side by side with a drag slider to compare differences.
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QR Code Reader
Scan and decode any QR code from an uploaded image instantly.
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Color Blindness Simulator
Preview how an image looks to users with various types of colour blindness.
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Pixel Art Maker
Create pixel art on a configurable grid and export as PNG.
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Barcode Generator
Generate barcodes in Code 128, EAN-13 and UPC-A formats instantly.
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Image Steganography
Hide or reveal a secret text message inside any image. Works fully offline.
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PNG to AVIF Converter
Convert PNG images to efficient AVIF format for smaller file sizes.
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JPG to AVIF Converter
Convert JPG photos to modern AVIF format with superior compression.
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Image to PDF Converter
Combine one or more images into a single PDF document in-browser.
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Transparent Background Maker
Remove the background from an image and save as a transparent PNG.
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Collage Maker
Arrange multiple photos into a grid collage and download as a single image.
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GIF Maker
Create an animated GIF from multiple uploaded images with custom frame delay.
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Password Generator
Generate strong, random and secure passwords in one click.
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Password Strength Checker
Test how strong your password is — scores length, complexity and entropy.
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Bcrypt Hash Generator
Hash and verify passwords with bcrypt. Runs entirely in your browser.
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Unit Converter
Convert length, weight, temperature, speed and area units instantly.
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Age Calculator
Calculate exact age in years, months and days from any birth date.
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Time Zone Converter
Convert times between any two time zones with full daylight saving support.
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Date Calculator
Add or subtract days, weeks and months from any date.
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Roman Numeral Converter
Convert between Arabic numbers and Roman numerals instantly.
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Number to Words Converter
Convert any number to its written English form instantly.
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Color Converter
Convert colors between HEX, RGB, HSL and CMYK instantly.
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Meta Tag Generator
Generate SEO meta tags — title, description, canonical and robots — instantly.
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Open Graph Tag Generator
Create OG and Twitter Card tags for perfect social media link previews.
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Robots.txt Generator
Build a robots.txt file with crawl rules and sitemap URL in seconds.
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Sitemap Generator
Generate an XML sitemap for any website instantly.
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Keyword Density Checker
Analyse keyword density in your text for SEO optimisation.
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Slug Generator
Create clean, SEO-friendly URL slugs from any title or phrase.
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CSS Gradient Generator
Generate CSS linear and radial gradients visually and copy the code.
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CSV to JSON Converter
Convert CSV files or pasted data to a JSON array instantly.
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CSS Box Shadow Generator
Build CSS box-shadow values visually and copy the ready-to-use code.
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Chmod Calculator
Calculate Unix file permission values with octal and symbolic output.
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AVIF to JPG Converter
Convert AVIF images to universally compatible JPG format in your browser.
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PNG to GIF Converter
Convert a PNG image into an animated or static GIF file in your browser.
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PNG to SVG Converter
Convert PNG images to scalable SVG format instantly in your browser.
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WebP to GIF Converter
Convert WebP images back to animated or static GIF format in your browser.
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PNG to BMP Converter
Convert PNG images to uncompressed BMP bitmap format instantly.
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JPG to BMP Converter
Convert JPG photos to uncompressed BMP bitmap format in your browser.
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PNG to TIFF Converter
Convert PNG images to high-quality TIFF format for print and archiving.
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JPG to TIFF Converter
Convert JPG photos to lossless TIFF format for professional editing and archiving.
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JPG to SVG Converter
Convert JPG images to scalable SVG format instantly in your browser.
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JPG to HEIC Converter
Convert JPG images to Apple HEIC format for smaller file sizes on Apple devices.
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GIF to MP4 Converter
Convert animated GIFs to lightweight MP4 video files in your browser.
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MP4 to GIF Converter
Convert short MP4 video clips into animated GIF files in your browser.
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MKV to GIF Converter
Convert short MKV video clips into animated GIF files in your browser.
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Random Number Generator
Generate one or many random numbers within any custom min/max range.
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File Size Converter
Convert between bytes, KB, MB, GB and TB instantly.
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JPG to GIF Converter
Convert a JPG image into an animated or static GIF file in your browser.
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Countdown Timer
Set a countdown to any future date and time with a live real-time display.
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BMI Calculator
Calculate Body Mass Index from height and weight with health range indicators.
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Tip Calculator
Calculate tip amounts and split the bill between any number of people.
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Stopwatch
Precise browser-based stopwatch with lap recording and split times.
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Discount Calculator
Find the final price after any percentage or fixed discount instantly.
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Dice Roller
Roll any combination of dice — D4, D6, D8, D10, D12, D20 — with history log.
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Percentage Calculator
Calculate percentages, percentage change and percentage of totals instantly.
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Scientific Calculator
Full-featured scientific calculator with trig, logarithm and power functions.
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Loan / EMI Calculator
Calculate monthly EMI, total interest and full repayment schedule for any loan.
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Compound Interest Calculator
Calculate compound interest with monthly, quarterly or annual compounding.
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Tax Calculator
Calculate tax amount and total price for any rate and base value.
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GCD & LCM Calculator
Find the Greatest Common Divisor and Least Common Multiple of any numbers.
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Prime Number Checker
Check if a number is prime and list prime factors instantly.
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Statistics Calculator
Calculate mean, median, mode, standard deviation and variance from a data set.
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Quadratic Equation Solver
Solve quadratic equations and display real and complex roots step by step.
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Coin Flipper
Flip a virtual coin and track heads/tails results and streaks over time.
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Random Color Generator
Generate random HEX, RGB or HSL colors with one click or in bulk.
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Days Until Calculator
Find exactly how many days, hours and minutes until any future date.
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Social Character Counter
Count characters against Twitter/X, Instagram, LinkedIn and Facebook limits.
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URL Extractor
Pull all URLs and hyperlinks out of any block of text or HTML instantly.
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Text Line Numberer
Add or remove line numbers from any block of text with custom separator.
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Pixel to REM Converter
Convert pixel values to REM and EM units based on a custom base font size.
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Color Mixer
Mix two colors together and preview the blended HEX and RGB result.
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SERP Preview Tool
Preview how your page title and meta description look in Google search results.
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Schema Markup Generator
Generate JSON-LD structured data for articles, products, FAQs and more.
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UTM Parameter Builder
Build UTM-tagged campaign URLs for Google Analytics tracking.
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Hreflang Tag Generator
Generate hreflang tags for multilingual and multi-regional SEO.
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Readability Score Checker
Analyse text readability using Flesch-Kincaid and other scoring models.
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Title Tag Analyzer
Check your page title for length, keyword placement and SEO best practices.
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FAQ Schema Generator
Generate JSON-LD FAQ schema markup for rich results in Google search.
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Local Business Schema Generator
Create structured data for local businesses to appear in Google Maps results.
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Breadcrumb Schema Generator
Generate breadcrumb JSON-LD markup for site navigation rich results.
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Image Alt Text Generator
Generate descriptive alt text suggestions for images from filenames or context.
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Canonical URL Checker
Validate and generate canonical link elements for duplicate content control.
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Fraction to Decimal Converter
Convert fractions to decimals and decimals back to fractions instantly.
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Currency Converter
Convert between world currencies using up-to-date exchange rates.
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Cooking Measurement Converter
Convert cups, tablespoons, teaspoons, ml, grams and ounces for cooking.
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Angle Converter
Convert between degrees, radians, gradians and turns instantly.
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Fuel Efficiency Converter
Convert between MPG, L/100km, km/L and other fuel economy units.
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Pressure Converter
Convert between PSI, bar, pascal, atm and other pressure units.
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Energy Converter
Convert between joules, calories, kWh, BTU and other energy units.
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Shoe Size Converter
Convert shoe sizes between US, UK, EU and CM sizing systems.
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SQL Formatter
Beautify and format messy SQL queries with proper indentation instantly.
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YAML to JSON Converter
Convert YAML configuration files to JSON format instantly in your browser.
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JSON to YAML Converter
Convert JSON data to clean, readable YAML format in one click.
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Color Contrast Checker
Check foreground/background color contrast ratios against WCAG AA and AAA.
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Anagram Solver
Find all possible anagrams and word rearrangements from any letters.
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Braille Translator
Translate English text to Grade 1 Braille and back, with dot-pattern display.
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Text Wrapper
Wrap or unwrap text at a custom character width for emails and terminals.
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Vigenère Cipher
Encrypt and decrypt text using the Vigenère polyalphabetic cipher.
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Typing Speed Tester
Test your typing speed and accuracy with WPM and error tracking.
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User Agent Parser
Parse any user agent string into browser, OS, and device details.
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Random Token Generator
Generate cryptographically secure random tokens in hex, base64 or alphanumeric.
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File Checksum Verifier
Calculate and verify MD5, SHA-1, SHA-256 and SHA-512 checksums for any file.
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HMAC Generator
Generate HMAC signatures using SHA-256, SHA-512 and other algorithms.
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TOTP / 2FA Code Generator
Generate and verify TOTP / 2FA codes compatible with Google Authenticator.
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RSA Key Pair Generator
Generate RSA public/private key pairs in PEM format in your browser.
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SSL Certificate Decoder
Paste a PEM certificate and inspect its subject, issuer, expiry and SANs.
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JWT Generator & Signer
Create and sign JSON Web Tokens with HS256/RS256 and custom claims.
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SSH Key Generator
Generate RSA and Ed25519 SSH key pairs for server authentication in your browser.
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Data Breach Checker
Check if an email or password has appeared in a known data breach via HIBP.
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Secure Note Sharer
Encrypt a private note and share it via a one-time self-destructing link.
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XSS Payload Tester
Encode, decode and test XSS payloads for security research and education.
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Gitignore Generator
Generate a .gitignore file for any language, framework or IDE combination.
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Aspect Ratio Calculator
Calculate width, height or ratio for any image or video dimensions instantly.
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XML Formatter & Validator
Beautify, validate and minify XML documents in your browser instantly.
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.htaccess Generator
Build Apache .htaccess rules for redirects, auth and cache control visually.
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CSS Beautifier
Format and indent minified or messy CSS files instantly.
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JavaScript Beautifier
Beautify and format minified JavaScript code with proper indentation.
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CSS Specificity Calculator
Calculate the specificity score of any CSS selector instantly.
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JSONPath Tester
Test JSONPath expressions against a JSON document and see live results.
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CSS Clip-Path Generator
Build CSS clip-path polygon shapes visually and copy the code.
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Code to Image
Convert a code snippet to a beautiful syntax-highlighted image for sharing.
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HTML to Markdown Converter
Convert HTML markup back to clean Markdown syntax instantly.
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CSS Animation Generator
Build CSS keyframe animations visually with timing and easing controls.
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Flexbox Generator
Design CSS flexbox layouts visually with live preview and copy-ready code.
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CSS Grid Generator
Design CSS grid layouts visually and export the full CSS code instantly.
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IP Address Info
Look up geolocation, ISP and hostname details for any IP address.
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DNS Lookup
Query A, AAAA, MX, TXT, CNAME and NS records for any domain.
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URL Parser & Analyzer
Break any URL into protocol, host, path, query params and fragment.
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HTTP Header Viewer
Inspect the HTTP response headers returned by any public URL.
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WHOIS Lookup
Look up domain registration, registrar and expiry information for any domain.
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SSL Certificate Checker
Check the SSL certificate validity, issuer and expiry for any domain.
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Ping Tool
Measure round-trip response time to any public host from the browser.
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Port Scanner
Check whether common ports are open or closed on any public host.
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World Clock
See the current time in multiple cities and time zones simultaneously.
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Week Number Calculator
Find the ISO week number for any date and look up any week's dates.
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Time Duration Calculator
Calculate duration between two times and add or subtract time intervals.
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Zodiac Sign Calculator
Find your Western zodiac sign and personality traits from any birth date.
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Chinese Zodiac Calculator
Find your Chinese zodiac animal and element from any birth year.
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Sunrise & Sunset Calculator
Get accurate sunrise and sunset times for any location and date.
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Moon Phase Calculator
Find the lunar phase for any date with a visual moon diagram.
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Tint & Shade Generator
Generate a full range of lighter tints and darker shades from any base color.
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Color Scheme Generator
Create complementary, triadic and analogous color schemes from any base color.
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Color Name Finder
Find the nearest named CSS color for any HEX or RGB value.
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CSS Variables Generator
Generate a complete CSS custom properties color theme from any palette.
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Gradient Palette Generator
Create multi-stop color gradients with live preview and full CSS export.
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Border Radius Generator
Generate CSS border-radius values visually for any rounded shape.
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Typography Scale Generator
Generate a modular type scale in rem/px and export the CSS variables.
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Glassmorphism Generator
Create frosted-glass UI effects with backdrop-filter and copy the CSS instantly.
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Neumorphism Generator
Design soft-UI neumorphic card and button effects and copy the CSS.
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Random Name Picker
Paste a list of names and draw a random winner with animated selection.
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List Randomizer & Shuffler
Randomly shuffle and reorder any list of items in one click.
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Wheel of Fortune Spinner
Add custom options to a spinning wheel and pick a random result.
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Magic 8-Ball
Type any yes/no question and get a classic Magic 8-Ball style answer.
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CSV Editor & Viewer
View, edit, sort and filter CSV files in a clean spreadsheet-like interface.
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CSV Merger
Merge multiple CSV files into one, aligning columns automatically by header name.
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CSV Column Extractor
Pick and extract specific columns from a CSV file and download the result.
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JSON Table Viewer
Display any JSON array as a searchable, sortable and filterable HTML table.
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Data Deduplicator
Remove duplicate rows from CSV or plain-text data by any selected column.
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SQL to JSON Converter
Convert SQL INSERT statements to a clean JSON array instantly.
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JSON to SQL Converter
Convert a JSON array into SQL INSERT statements for any table instantly.
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TSV to CSV Converter
Convert tab-separated values (TSV) to standard comma-separated CSV format.
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CSV to TSV Converter
Convert comma-separated CSV files to tab-separated TSV format instantly.
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Excel to JSON Converter
Convert Excel (.xlsx) spreadsheet data to a JSON array in your browser.
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JSON to Excel Converter
Convert a JSON array to a downloadable Excel (.xlsx) spreadsheet in your browser.
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PDF Merger
Combine multiple PDF files into one document in your browser. No uploads.
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PDF Splitter
Split a PDF into individual pages or custom page ranges instantly.
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PDF Compressor
Reduce PDF file size while preserving quality. No server uploads needed.
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PDF to JPG Converter
Convert each page of a PDF to a JPG image in your browser.
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PDF Page Remover
Delete specific pages from a PDF file directly in your browser.
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PDF Rotator
Rotate individual or all pages in a PDF document and save instantly.
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PDF Password Remover
Remove the password from an already-unlocked PDF in your browser.
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PDF Watermark Tool
Add custom text or image watermarks to every page of a PDF.
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PDF to Text Extractor
Extract all readable text content from a PDF document instantly.
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PDF Metadata Editor
View and edit the title, author, subject and other metadata of any PDF.
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