JSON Formatter

Pretty, minify, tree view, and error highlight

JSON Validator

Live JSON validation with error location

JSON Diff

Side-by-side JSON diff with line changes

JSON to TypeScript

Convert JSON to typed interfaces and models

JSON YAML Converter

Convert JSON and YAML both ways

JSON XML Converter

Convert JSON and XML both ways

JSON CSV Converter

Convert JSON array and CSV both ways

JWT Decoder

Decode header and payload with expiration view

cURL Converter

Convert cURL into Fetch, Axios, and requests

REST Request Builder

Quick GET/POST/PUT/DELETE API testing

HTTP Status Code Reference

Search HTTP status codes, meanings, and typical fixes

Timestamp Converter

Convert unix and local timestamps with timezone

Regex Tester

Real-time regex match and cheat sheet

Cron Expression Parser

Explain cron schedules in plain language

User Agent Parser

Parse browser, OS, device, and engine from a user agent

Syntax Checker

Check JavaScript, TypeScript, JSON, Python, Go, Rust, Java, and PHP syntax in the browser

SQL Formatter

Format SQL for major dialects

TS Formatter

Format TypeScript code instantly

Base64 Encode/Decode

Two-way text and Base64 conversion

URL Encode/Decode

Encode and decode URL components safely

HTML Entity Encode/Decode

Escape and unescape HTML entities

Hash Generator

MD5, SHA1, SHA256, SHA512 hash output

UUID Generator

Generate UUID v1/v4 in bulk

Password Generator

Length, symbol, number, and pronounceable options

SQL to Prisma

Convert SQL schema into Prisma models

ERD Quick Builder

Fast visual table relationship drafting

Diff Checker

Compare text blocks and highlight differences

Case Converter

camelCase, PascalCase, snake_case, kebab-case