DevFormat
Language
View on GitHub
Data sovereignty guaranteed

Developer Tools That Just Work

Professional-grade formatters, converters, and decoders. 100% private, browser-based, and lightning fast.

Search for a tool...
20+ Tools2 Languages100% Private

Popular Tools

Most used by developers today

Open App

Offline JSON Formatter & Beautifier (No Server Logs)

Format & beautify JSON

Offline SQL Formatter (No Server Logs)

Beautify and format SQL queries for MySQL, PostgreSQL, SQLite and more.

Open Tool
Popular

CSV to JSON Converter

Convert CSV to JSON

Open Tool

Offline JWT Decoder (No Server Logs)

Decode JSON Web Tokens securely and locally.

Open Tool
Popular

JSON Diff Tool

Compare two JSON objects

Open Tool

Live Markdown Previewer

Write and preview GitHub flavored markdown in real-time.

Open Tool

Text Diff Checker

Compare text and find differences.

Open Tool

Cron Schedule Generator

Build cron schedule expressions visually.

Open Tool

HTML Formatter

Beautify and minify HTML code instantly.

Open Tool

Free Online URL Decoder & Encoder

Decode and encode URL-safe strings with instant live preview.

Open Tool

Advanced UUID Generator (v4 & v7)

Generate random UUID v4 strings instantly.

Open Tool
New

Missing a Tool?

We are constantly building. Suggest a formatter or converter and we'll add it to the platform.

Report on GitHub

Developer Glossary & Cheat Sheet

Quick technical definitions to speed up your workflow.

What is UUID v7?

A time-sortable 128-bit ID for high-performance databases

Generate v7

What is a JWT?

A secure way to transmit information between parties as a JSON object.

Decode JWT

What is SHA-256?

A cryptographic hash function that produces a unique 256-bit signature.

Generate Hash

What is Cron?

A time-based job scheduler in Unix-like operating systems.

Generate Cron

Ready to Start?

100% Client-Side. Your data never leaves your browser.

Browse All Tools