Developer Tools

Formatters, encoders, decoders, and utilities for software developers.

All Tools Developer Tools Text Tools Calculators & Converters Image Tools PDF Tools Security & Privacy AI Tools Data Converters
JSON Formatter & Minifier
Format, beautify, minify, and validate JSON data instantly with syntax highlighting.
Client-Side Open Tool
Base64 Encoder / Decoder
Encode text or binary data into Base64 format and decode Base64 strings safely.
Client-Side Open Tool
URL Encoder / Decoder
Encode text for URL query strings or decode percent-encoded URLs.
Client-Side Open Tool
JWT Decoder
Decode JSON Web Tokens (JWT) to inspect header, payload claims, and signature info.
Client-Side Open Tool
UUID / GUID Generator
Generate bulk cryptographically secure RFC 4122 v4 and v1 UUIDs/GUIDs.
Client-Side Open Tool
Regex Tester & Matcher
Test JavaScript regular expressions in real-time with pattern syntax highlighting and match groups.
Client-Side Open Tool
Unix Timestamp Converter
Convert Unix epoch timestamps (seconds/milliseconds) to human-readable dates and back.
Client-Side Open Tool
Color Code Converter
Convert color formats between HEX, RGB, HSL, and HSV with live visual preview.
Client-Side Open Tool
HTML Formatter & Minifier
Clean up, format, indent, or compress raw HTML markup.
Client-Side Open Tool
CSS Formatter & Minifier
Format, beautify, or minify CSS stylesheets for optimal web loading.
Client-Side Open Tool
JavaScript Formatter
Format, beautify, or minify JavaScript code snippets cleanly.
Client-Side Open Tool
Markdown Live Editor
Write Markdown text with instant side-by-side rendered HTML preview, download, and copy.
Client-Side Open Tool
SQL Query Formatter
Beautify and format complex SQL queries with proper keyword capitalization and line indents.
Client-Side Open Tool
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