Developer Tools,
No Sign-up Required
Fast, private, browser-based utilities for developers. All processing happens locally — your data never leaves your machine.
All Tools 13 tools
JSON Formatter
Format, validate, and minify JSON data with syntax highlighting.
PopularBase64 Encoder / Decoder
Encode and decode Base64 strings with full Unicode support.
CommonTimestamp Converter
Convert between Unix timestamps and human-readable dates instantly.
EssentialColor Converter
Convert colors between HEX, RGB, and HSL formats instantly with live preview.
VisualRegex Tester
Test regular expressions with real-time matching and validation for any pattern.
AdvancedURL Encoder / Decoder
Encode and decode URLs for safe transmission over the web.
WebJWT Token Decoder
Decode JSON Web Tokens to inspect header, payload and signature.
SecurityMarkdown Live Preview
Write Markdown with real-time HTML preview. Support for tables, code blocks and more.
WritingUUID Generator
Generate universally unique identifiers. Support UUID v4, v1, and batch generation.
GeneratorCSS Beautifier & Minifier
Format messy CSS with proper indentation or compress for production.
FormatterSQL Formatter
Format SQL queries with proper indentation. Support MySQL, PostgreSQL, SQLite.
Database💬 Wacli
WhatsApp CLI — sync messages, search offline, and send directly from terminal.
External⚡ Plain
Full-stack Python framework built for humans and AI agents. PostgreSQL + htmx + Tailwind.
External