DevToolsAtlas Developer Suite
Fast, privacy-first developer tools. Format JSON, decode JWTs, parse cron schedules, and convert code 100% locally in your browser.
JSON Formatter & Validator
Format, validate, minify JSON, & convert to CSV.
JSON to TypeScript Interfaces
Convert JSON objects into clean TypeScript interfaces & types.
Code & Text Diff Checker
Side-by-side and unified text/code difference comparison tool.
cURL to Code Converter
Convert cURL into Python Requests, Fetch, Axios, & Go.
JWT Token Inspector
Decode JSON Web Tokens with header & payload breakdown.
UUID / GUID Generator
Generate bulk UUID v4 & v7 identifiers.
Base64 Encoder / Decoder
Fast client-side Base64 text and URL encoding.
URL & HTML Entity Encoder
Encode / decode URLs and escape HTML entities.
Cron Expression Parser
Translates cron schedules into human-readable English.
Regex Match Tester
Interactive regular expression tester with cheat sheet.
String Case Converter
Convert text to camelCase, snake_case, kebab-case, etc.
SQL Query Formatter
Format & beautify complex SQL queries.
Crypto Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.
HTTP Status Code Atlas
Reference guide for all HTTP 1xx–5xx status codes.
HEX / RGB / HSL Color Suite
Color code converter with interactive preview palette.
Frequently Asked Questions
Unlike cloud-hosted convert tools, DevToolsAtlas executes all computations in client JavaScript memory. Your secrets, environment variables, and payload tokens never touch a remote server.