Every tool you need, in one place.
Convert images, edit PDFs, format code, and a dozen more tasks. All 100% free, all running privately in your browser.
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Search 100+ utilities or filter by category.
PNG to JPG
Convert PNG images to JPG instantly
JPG to PNG
Convert JPG images to PNG with transparency support
WebP to JPG
Convert WebP images to JPG format
Image Compressor
Reduce image file size without losing quality
Image Resizer
Resize images to any dimension
Image to PDF
Convert images into a single PDF document
PDF Merge
Combine multiple PDFs into one
Word Counter
Count words, characters, and reading time
Password Generator
Strong, random passwords in one click
QR Code Generator
Create QR codes for any text or URL
JSON Formatter
Format, validate, and minify JSON
Base64 Encoder/Decoder
Encode and decode Base64 text
Color Picker
Pick colors and convert between formats
Image Cropper
Crop images to any aspect ratio
Hash Generator
MD5, SHA-1, SHA-256, SHA-512 hashes
UUID Generator
Generate UUID v4 identifiers
PDF Split
Extract pages or split PDFs into parts
Lorem Ipsum Generator
Generate placeholder text in seconds
Text Case Converter
Convert between UPPER, lower, camelCase, and more
URL Encoder / Decoder
Encode and decode URL-safe text
JWT Decoder
Decode and inspect JSON Web Tokens
Markdown ↔ HTML Converter
Convert between Markdown and HTML with live preview
PDF to JPG
Convert PDF pages into high-quality JPG images
PDF Rotate
Rotate PDF pages 90, 180, or 270 degrees
PDF Page Numbers
Add page numbers to any PDF document
PDF to Word
Convert PDF documents to editable Word files
PDF Compress
Shrink PDF file size for sharing and email
PDF Protect
Add a password to encrypt your PDF
PDF Watermark
Add a text watermark to every page of a PDF
PDF Remove Pages
Delete specific pages from a PDF
PDF Unlock
Remove a password from a protected PDF
PDF Extract Pages
Save selected pages as a new PDF
PDF to PNG
Convert PDF pages to lossless PNG images
PDF Organize
Reorder PDF pages with visual thumbnails
PDF Crop
Trim margins from PDF pages
PDF Sign
Draw a signature and place it on a PDF
Regex Tester
Test, debug, and learn regular expressions
Image Rotator
Rotate or flip images instantly
Text Diff Checker
Compare two texts and see the differences
CSV ↔ JSON Converter
Convert between CSV and JSON, both ways
Color Palette Extractor
Extract dominant colors from any image
Gradient Generator
Design beautiful CSS gradients with live preview
Favicon Generator
Turn any image into a complete favicon set
CSS Box Shadow Generator
Design layered shadows with live preview and code
YAML ↔ JSON Converter
Convert between YAML and JSON instantly
Timestamp Converter
Convert Unix epoch to human dates and back
Number Base Converter
Binary, octal, decimal, hex with live sync
Sort & Deduplicate Lines
Sort, dedupe, and clean up text lines
Mortgage Calculator
Monthly payment, total interest, and full amortization schedule
Age Calculator
Exact age in years, months, days, and more
Percentage Calculator
Every common percentage calculation, instantly
Concrete Calculator
Bags, yards, and cost — slabs, footings, and more
Paint Calculator
Gallons of paint for any room
Mulch Calculator
Cubic yards and bags for any garden bed
Flooring Calculator
Square feet, boxes, and cost for any room
Fence Calculator
Posts, panels, concrete, and cost
Gravel Calculator
Tons, cubic yards, and bags for driveways and paths
Tile Calculator
Tiles, grout, and cost for any floor or wall
Drywall Calculator
Sheets, screws, mud, and tape for any room
Deck Calculator
Boards, joists, posts, and cost for any deck
Roofing Calculator
Squares, bundles, underlayment, and cost
Unit Converter
Convert length, weight, temperature, and more
BMI Calculator
Body Mass Index with healthy weight range
Tip Calculator
Tip + total + split between any number of people
Loan Calculator
Auto, student, personal, home-equity — with amortization
Compound Interest Calculator
Project savings with regular contributions and any compounding frequency
Time Zone Converter
Convert one time across multiple cities side by side
SVG to PNG
Rasterize SVG to PNG at any scale, transparent or color background
GPA Calculator
Semester + cumulative GPA across multiple grade scales
Calorie Calculator
TDEE, BMR, and daily calorie target with macros
Sales Tax Calculator
Add or reverse sales tax / VAT / GST with state presets
Discount Calculator
Percent off, sale price, stacked discounts, you-save amount
Random Number Generator
Numbers, dice, coin flip, and list picker — crypto-secure
Date Duration Calculator
Days between dates, plus add or subtract from a date
Scientific Calculator
Trig, logs, powers, factorial — with keyboard input and history
Statistics Calculator
Mean, median, mode, range, and standard deviation
Fraction Calculator
Add, subtract, multiply, divide — with steps and simplification
Aspect Ratio Calculator
Solve dimensions for 16:9, 4:3, and any ratio
Password Strength Checker
Entropy, crack-time estimate, and weakness detection
Timer & Stopwatch
Countdown timer, stopwatch, and Pomodoro in one
Roman Numeral Converter
Number to Roman and Roman to number, with breakdown
Text to Binary
Text to binary, decimal, hex, octal — and back
Image to Base64
Encode images to Base64 data URIs and decode back
Reading Time Calculator
Estimate reading and speaking time for any text
Currency Converter
Live exchange rates for 160+ world currencies
Color Contrast Checker
WCAG AA/AAA contrast ratio with live preview
Meta Tag Generator
SEO + Open Graph + Twitter meta tags with live preview
Slug Generator
Turn any title into a clean URL slug
Word Frequency Counter
Keyword density and word counts for any text
Hours Calculator
Time between two clock times, plus timesheets
Salary Calculator
Convert pay between hourly, weekly, monthly, and annual
Fuel Cost Calculator
Trip fuel and cost from distance, economy, and price
HTML Minifier & Beautifier
Minify HTML to shrink it, or beautify to format it
JSON to XML Converter
Convert JSON to XML and XML back to JSON
CSS Minifier & Beautifier
Minify CSS to shrink it, or beautify to format it
Cron Expression Generator
Build and understand cron schedules in plain English
Emoji Picker
Search, browse, and copy emoji with one click
Barcode Generator
Create Code 128, EAN, UPC barcodes — download PNG or SVG
Pregnancy Due Date Calculator
Estimate your due date from LMP, conception, or IVF
Image to WebP
Convert JPG, PNG, and more to smaller WebP
Ovulation Calculator
Find your fertile window and ovulation days
Body Fat Calculator
Estimate body fat % with the US Navy method
HTTP Status Codes
Searchable reference for every common status code
Image Placeholder Generator
Create placeholder images at any size and color
Built for the way you work
Fast, private, and free. The way the web should be.
Privacy first
Your files are processed entirely in your browser. Nothing is uploaded, stored, or seen by us.
Lightning fast
No upload waiting. Files process instantly using modern Web APIs and WebAssembly.
Free forever
Every tool is completely free. No paywalls, no limits, no signups required.
Works offline
Once loaded, most tools work without an internet connection. Open and use anywhere.
Batch processing
Convert and process dozens of files at once. Drag-and-drop multiple files into supported tools.
Always growing
We add new tools every week based on user feedback. Suggest a tool and we'll build it.
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