Developer Toolkit by Git AutoReview

Free Developer Tools

We built these tools because we use them daily while building Git AutoReview. JSON diffs during code review, formatting configs, validating schemas — every developer needs these. So we made them free.

All tools run client-side. Your data never leaves your browser.

JSON Tools

JSON Formatter

Format & beautify JSON

JSON Compare

Diff two JSON objects

JSON Editor

Tree view editor

JSON Viewer

Read-only tree viewer

JSON Validator

Validate JSON syntax

Coming Soon

JSON to TypeScript

Generate TS interfaces

Coming Soon

JSON Minifier

Minify JSON

Coming Soon

JSON Schema Generator

Generate JSON Schema

Diff & Compare

Diff Checker

Compare text & code

Code Formatters

Coming Soon

XML Formatter

Format & beautify XML

Coming Soon

YAML Formatter

Format YAML

Coming Soon

SQL Formatter

Format SQL queries

Generators & Encoders

Base64 Encode/Decode

Base64 encode & decode

URL Encoder/Decoder

URL encode & decode

Binary Translator

Text ↔ binary converter

Epoch Converter

Unix timestamp ↔ date

Coming Soon

UUID Generator

Generate UUIDs

Coming Soon

Regex Tester

Test regex patterns

Coming Soon

JWT Decoder

Decode JWT tokens

Coming Soon

Hash Generator

Generate hashes

Coming Soon

Cron Expression Generator

Build cron expressions

AI API Pricing

Compare AI model costs