Free Developer Tools

16+ browser-based tools. No account, no installs, no limits. Everything runs locally for maximum privacy and speed.

JSON3 tools

🗂️

JSON Formatter

Format, validate, and beautify JSON data instantly.

✅

JSON Validator

Validate JSON syntax and check for errors.

⚡

JSON Minifier

Minify JSON by removing whitespace and comments.

Encoding1 tool

🔡

Base64 Encoder/Decoder

Encode and decode text or files to/from Base64.

Text3 tools

🔍

Regex Tester

Test and debug regular expressions with live matching.

📝

Markdown Previewer

Write and preview Markdown with live rendering.

🗃️

SQL Formatter

Format and beautify SQL queries for readability.

Web3 tools

🔗

URL Encoder

Encode special characters in URLs for safe transmission.

🔓

URL Decoder

Decode URL-encoded strings back to readable text.

🌐

HTML Formatter

Format and beautify HTML code with proper indentation.

Security1 tool

🔐

Password Generator

Generate strong, secure passwords instantly.

CSS2 tools

🎨

Color Converter

Convert colors between HEX, RGB, HSL, and more.

🎯

CSS Minifier

Minify CSS to reduce file size and improve load times.

JavaScript1 tool

⚙️

JavaScript Minifier

Minify JavaScript code to reduce bundle size.

Generators1 tool

🆔

UUID Generator

Generate RFC 4122 compliant UUIDs (v4).

Converters1 tool

🕐

Timestamp Converter

Convert Unix timestamps to human-readable dates.