Developer Utilities
36 tools across 7 categories — all free, all in your browser.
Word & Character Counter
Count words, characters, lines, and sentences instantly.
Case Converter
Convert text to UPPER, lower, Title, camelCase, snake_case.
Lorem Ipsum Generator
Generate placeholder text by words, sentences, or paragraphs.
Text Diff Checker
Compare two texts and highlight the differences.
JSON Formatter
Beautify and syntax-highlight JSON with configurable indent.
JSON Minifier
Strip whitespace from JSON to minimize file size.
JSON to CSV Converter
Convert a flat JSON array to a downloadable CSV file.
JSON Validator
Validate JSON and get clear, line-level error messages.
JSON to TypeScript
Convert JSON objects into TypeScript interfaces automatically.
XML ↔ JSON Converter
Convert XML data to JSON format and vice versa.
YAML ↔ JSON Converter
Convert YAML configuration files to JSON and vice versa.
CSS Minifier
Minify CSS by removing comments and whitespace.
CSS Gradient Generator
Build stunning gradients visually and copy the CSS output.
Box Shadow Generator
Build CSS box shadows visually with live preview.
Border Radius Generator
Set per-corner radius and get the CSS border-radius value.
Flexbox Generator
Build CSS flexbox layouts visually and copy the code.
CSS Grid Generator
Build complex CSS Grid layouts visually.
Color Picker & Converter
Convert between HEX, RGB, HSL, and OKLCH color formats.
Color Palette Generator
Generate harmonious color palettes from a seed color.
Contrast Checker
Check WCAG AA/AAA color contrast accessibility ratios.
Image Color Extractor
Extract dominant colors and palettes from any image.
Regex Tester
Test regular expressions with real-time match highlighting.
Base64 Encoder / Decoder
Encode or decode text and files to/from Base64.
URL Encoder / Decoder
Encode or decode URL components and query strings.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text.
UUID Generator
Generate one or many UUID v4 strings instantly.
Timestamp Converter
Convert Unix timestamps to human-readable dates and back.
Cron Job Generator
Build cron expressions visually with human-readable output.
QR Code Generator
Create QR codes for URLs, text, and contact info.
JWT Decoder
Decode JSON Web Tokens and view header/payload.
DNS & IP Lookup
Check DNS records and your current public IP.
HTML Formatter
Beautify and indent HTML markup with configurable settings.
Markdown Previewer
Write Markdown and see a live rendered preview side-by-side.
Code to Image
Turn code snippets into beautiful shareable images.
SQL Formatter
Beautify messy SQL queries into readable code.
JS / TS Minifier & Formatter
Minify or beautify JavaScript/TypeScript code.