Free · No Signup

Developer Tools

10 essential utilities for developers — format, validate, encode, decode and generate. All client-side, nothing stored.

All Tools

{ }
Formatter
JSON Formatter & Validator

Format, validate, minify and auto-fix JSON. Instant error detection with readable output.

Open Tool
.*
Tester
Regex Tester

Test regular expressions with live match highlighting. Supports g, i, m flags.

Open Tool
🔑
Decoder
JWT Decoder

Decode and inspect JWT tokens. View header, payload and expiry details instantly.

Open Tool
🔢
Generator
UUID Generator

Generate UUIDs in v1, v4 or v7 format. Bulk generate and copy all at once.

Open Tool
🔄
Encoder
Base64 Encoder / Decoder

Encode or decode Base64 strings instantly. Useful for API payloads and image embedding.

Open Tool
#
Generator
Hash Generator

Generate MD5, SHA1, SHA256 and SHA512 hashes from any text input.

Open Tool
🗄️
Formatter
SQL Formatter

Clean and format messy SQL queries. Supports uppercase/lowercase keyword options.

Open Tool
⏰
Parser
Cron Expression Parser

Parse cron expressions into human readable text. Shows next 5 scheduled run times.

Open Tool
🔗
Encoder
URL Encoder / Decoder

Encode or decode URLs and query strings. Fix broken parameters instantly.

Open Tool
📊
Converter
CSV → JSON Converter

Convert CSV data to JSON instantly. Supports headers, pretty format and bulk data.

Open Tool
🔐
Security
Password Generator

Generate secure random passwords instantly. Customize length, symbols, numbers, and strength for maximum security.

Open Tool
🎨
Converter
Color Converter

Translates color values between different color representations like RGB, HEX, HSL, and CMYK.

Open Tool

Free Developer Tools — No Login Required

All tools on this page run entirely in your browser. Nothing you paste or type is sent to any server. Whether you're formatting JSON, testing a regex, or decoding a JWT — everything stays on your machine.

Built for developers who need quick, reliable utilities without the clutter of ads or forced signups.

Looking for Image Tools?

Check out our Image Tools — compress, convert and resize JPEG, PNG and WebP images. All free, no signup, runs in your browser.