Developer Tools

JSON, code editing, regex, APIs, and developer utilities. Free, private, browser-based. No uploads.

31 tools available

Code

Code Editor — Preview, format, and diff code with syntax highlighting. Supports 15+ languages.
JS Obfuscator — Obfuscate & deobfuscate JavaScript code. Multiple protection levels.
TypeScript to JavaScript — Convert TypeScript code to JavaScript by removing type annotations.
Regex Tester — Test and debug regular expressions with real-time matching.

JSON Viewer — Prettify, minify, and explore JSON with a foldable tree view.
XML Viewer — Format, minify, and browse XML documents in a foldable tree.
JSON to TypeScript — Convert JSON objects to TypeScript interfaces or types.
JSON Diff — Compare two JSON documents and visualize differences in a tree view.
JSON Sorter — Sort JSON object keys alphabetically with customizable indentation.
JSON Path Finder — Explore JSON structure and find paths to any value.
Env to JSON — Convert .env files to JSON and back.
JSON-LD Schema Generator — Generate structured data (JSON-LD) for SEO with schema.org types.

HTML Minifier/Beautifier — Beautify or minify HTML code with size comparison.
CSS Minifier / Beautifier — Minify or beautify CSS code instantly.
SVG Optimizer — Optimize SVG files by removing unnecessary data and minifying.
API Tester — Test HTTP APIs with custom methods, headers, and body. Like a mini Postman.
Curl to Fetch — Convert curl commands to JavaScript fetch() or axios code.
URL Builder — Build URLs with UTM parameters and custom query strings.
URL Redirect Visualizer — Trace HTTP redirect chains and visualize each hop with status codes, timing, and SEO labels.

SQL Formatter — Format and minify SQL queries with language-specific support.
JWT Decoder — Decode and inspect JSON Web Tokens instantly.
Hash Generator — Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text or files.
Mock Data Generator — Generate realistic mock data in JSON or CSV format.
UUID / ULID Generator — Generate UUIDs (v4) and ULIDs with bulk generation support.
Log Viewer & Filter — View, search, filter, and highlight log files with level detection.

Cron Parser — Parse cron expressions with human-readable descriptions and next run times.
Number Base Converter — Convert numbers between binary, octal, decimal, hex, and custom bases.
Chmod Calculator — Calculate Unix file permissions in octal and symbolic notation.
File Diff Checker — Compare two files side by side and highlight differences.
ZIP / Unzip — Create and extract ZIP archives entirely in the browser.

3D Model Viewer — View and inspect 3D models (GLB, OBJ, STL, FBX, PLY) with orbit controls.