Explore our collection of 100% browser-based utility tools.
Format, validate, and minify JSON instantly
Encode or decode text and files to Base64
Encode or decode URL strings
Decode and inspect JWT tokens
Test and debug regular expressions live
Pick colors and convert between HEX, RGB, HSL
Convert Unix timestamps to human-readable dates
Generate MD5, SHA-1, SHA-256, SHA-512 hashes
Convert JSON to YAML and YAML to JSON instantly
Parse URL strings and edit query parameters in a table
Generate QR codes for URLs, text, email, or phone
Generate strong, random passwords instantly
Generate UUID v4, v7, and ULID identifiers
Generate placeholder text for designs and mockups
Count words, characters, sentences, reading time
Convert text to UPPER, lower, Title, camelCase, and more
Write and preview Markdown with live rendering
Compare two texts and highlight differences
Combine multiple PDF files into one
Split PDF into individual pages or page ranges
Reduce PDF file size without losing quality
Convert JPG, PNG, or WEBP images to PDF
Rotate, delete, and reorder pages of a PDF visually
Add text watermarks with customizable opacity and position to all PDF pages
Add page numbering headers or footers to PDF files
View and edit title, author, subject, and keywords properties of a PDF
Convert DOCX document layouts to PDF files offline
Compress JPG, PNG, WEBP images without losing quality
Resize images by dimensions, percentage, or preset sizes
Convert images between JPG, PNG, WEBP, GIF, and more
Crop images with free or locked aspect ratios
Remove GPS coordinates, camera tags, and metadata from images
Generate favicon and app icon packs from an image
Extract dominant color palettes from any image
Parse cron expressions and get human-readable times
Convert JSON to CSV and CSV to JSON instantly
Calculate subnet masks, networks, broadcast, and host ranges
Format MAC addresses and lookup card vendors
Generate CSS Grid layouts visually and copy styles
Build custom CSS cubic-bezier transition curves
Generate 50-950 Tailwind color shades from HEX
Convert JSON payloads into TypeScript interfaces
Convert JSON to XML and XML to JSON instantly
Generate secure, memorable passphrases with Diceware
Encode/decode Caesar, Vigenere, ROT13, and Morse codes
Plot coordinates and draw algebraic functions on a 2D canvas grid
Calculate quick percentages, arithmetic increases, and ratio simplifications
Convert numbers between Binary, Octal, Decimal, Hex, and custom bases
Beautify or minify HTML, CSS, and JavaScript code formats
Convert data storage capacities and physical units (Length, Weight, Temp)
Sort list lines alphabetically, numerically, and remove duplicate entries
Generate text-segment banners using Slant ASCII character art
Render and visualize custom SVG path coordinates interactively
Evaluate HTTP response header security parameters and policies
Design CSS transition keyframe animations and timelines visually
Compile markdown files into beautifully formatted printable PDF sheets
Build interactive visual HTML forms directly from JSON schemas
Plan meeting schedules across multiple international zones visually
Compare file lists and folder structure maps side-by-side
Countdown Pomodoro blocks and log daily focus task boards
Record input voice waveforms and trim audio segments locally
Tap along to track song tempos or play synthesized click metronomes
Build, traverse, and animate binary search trees interactively
Draw interactive node-relationship network structures with physics
Compress and decompress files to Gzip format locally inside the browser
Compile CSV tables into customizable downloadable high-res graphs
Generate secure SSH RSA and ECDSA public/private key pairs locally
Convert PEM public certificates into standard JSON Web Key (JWK) configurations
Parse SQL create tables schemas to generate query seed lines
Design backdrop blur glassmorphic cards and generate copyable CSS
Design repeated seamless geometric SVG patterns and generate inline CSS styles
Encode and decode internationalized domains to/from ASCII Punycode formats