🛠️ Developer Tools
Browser-based tools for developers: JSON, Base64, SQL, UUID, Git cheat sheet, HTTP status codes. All running locally, nothing uploaded.
Popular
🌿 Git Commands Cheat Sheet
The most used Git commands organized by category. Copy with one click.
Open →🧰 JSON Formatter & Converter
Format/minify JSON and convert YAML · CSV · XML in one place. Auto-detects format on paste.
Open →🔐 Base64 Encoder · Decoder
Encode or decode text and files with Base64. Auto-detects encoded input.
Open →🗃️ SQL Formatter
Pretty-print SQL queries. Supports MySQL, PostgreSQL, and other dialects.
Open →✨ HTML · CSS · JS Formatter
Beautify or minify HTML, CSS, and JavaScript code in your browser.
Open →🆔 UUID Generator
Generate UUID v4 / v7 / NIL up to 10,000 at once. Multiple formats, copy and download.
Open →📡 HTTP Status Codes Reference
Complete reference of HTTP 1xx to 5xx codes with clear explanations.
Open →🏷️ Schema.org Types Guide
Application contexts and rich snippet examples for 11 key JSON-LD structured data types.
Open →When to use which tool
- Git Commands Cheat Sheet - Looking up the most used Git commands by category
- JSON Formatter & Converter - Formatting, validating, or converting JSON between YAML, CSV, and XML
- Base64 Encoder & Decoder - Encoding or decoding text and files (JWT, Data URI, API payloads)
- SQL Formatter - Pretty-printing a one-line SQL query with dialect-aware rules
- HTML · CSS · JS Formatter - Formatting front-end code to a consistent style
- UUID Generator - Generating UUIDs (v1, v4, v7) in bulk
- HTTP Status Codes Reference - Looking up the meaning of an HTTP status code
- Schema.org Types Guide - Browsing Schema.org types and their required fields