Bite Size Tools: Free Online Developer Tools
Bite Size Tools brings together 29 free browser-based utilities for developers, designers, and writers. Format JSON, edit Markdown, generate UUIDs, convert timestamps, and build color palettes directly in your browser.
Text & Content
Tools for text processing, formatting, and content creation
Word Counter
Analyze and count words, characters, paragraphs, and sentences in real-time
Text Case Converter
Convert text to different cases: lowercase, UPPERCASE, camelCase, snake_case, kebab-case
Markdown Editor
Edit and preview Markdown with export to PDF
Text to Markdown
Convert formatted text to Markdown syntax
Regex Tester
Test regular expressions against sample input with live match highlighting
Design & Visual
Color tools, CSS generators, and visual design utilities
RGB & HEX Converter
Easily switch between RGB and HEX color codes
Color Palette Generator
Generate color palettes from images
CSS Clip-Path Builder
Create and visualize CSS clip-path shapes
CSS Gradient Generator
Build linear and radial gradients with draggable stops and copy-ready CSS
Box Shadow Generator
Create single or multi-layer CSS box shadows with live preview and copy-ready output
WCAG Color Contrast Checker
Check foreground/background color contrast ratios against WCAG 2.1 AA and AAA accessibility standards
Code & Data
Code formatting, data processing, and development tools
HTML Minifier
Minify HTML code with various optimization options
JSON Formatter & Validator
Paste JSON and format it with proper indentation, validate structure and highlight errors
Base64 Encoder/Decoder
Encode plain text into Base64 format and decode Base64 back to readable text
JWT Decoder
Decode JWT header, payload, and signature locally with expiry checks
Unix Timestamp Converter
Convert Unix timestamps and human-readable dates with timezone support
Text Diff Checker
Compare original and modified text with inline or side-by-side differences
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes with hex or Base64 output
YAML ↔ JSON Converter
Convert YAML and JSON in both directions with validation and download support
CSV ↔ JSON Converter
Convert CSV and JSON arrays with file upload, row preview, and export actions
Cron Parser & Builder
Parse cron expressions to English, validate syntax, and preview next run times
Semantic JSON/YAML Diff
Compare JSON or YAML documents semantically and highlight added, removed, and changed values by path
Web & Network
URL processing, encoding, and web development utilities
URL Encoder/Decoder
Convert characters into a format that can be transmitted over the Internet
OpenAPI / Swagger Validator
Validate OpenAPI 3.x and Swagger 2.0 specifications with detailed error reporting
HAR File Analyzer
Analyze HTTP Archive (HAR) files to inspect requests, timings, status codes, and performance
Generators
ID, content, and data generation tools
UUID Generator
Generate UUID v1, v4, and v5 values with bulk output and copy tools
Lorem Ipsum Generator
Generate placeholder text by words, sentences, or paragraphs with configurable options
Password Generator
Generate secure passwords with strength estimates, bulk mode, and customizable character rules
Rubik’s Cube Timer
Time your 3×3 solves with a random scramble and solve history saved on your device