Category Overview
Our developer utilities run in sandboxed Web Worker threads and WebAssembly to eliminate latency and preserve data privacy. Test WebSocket connections, inspect live webhooks, detect ReDoS vulnerabilities, and convert JSON schemas into strongly typed TypeScript models without sending code to remote servers.
Available Tools in this Category
- Online C Compiler — Test C statements and programs using an on-page sandboxed interpreter execution client. Load C structures, calculate loops, and debug formatted printf outputs on standard desktop and mobile browsers.
- JSON Diff & Compare — Compare two JSON objects side-by-side in real-time. Detect structural additions, deletions, and modifications instantly offline with total privacy.
- JSON Formatter & Validator — Beautify, validate, linter-check, minify, and interactively browse JSON structures. Load files instantly offline with zero data leaks.
- JSON to TypeScript Converter — Convert raw JSON payloads into strongly typed, clean TypeScript interfaces instantly. 100% private, operates offline in-browser, and supports nested objects.
- QR Code Generator — Create custom QR codes instantly for links, Wi-Fi networks, WhatsApp chats, email templates, and social profiles. Safe, completely offline, and customizable.
- QR Code Scanner — Scan QR codes in real-time using your device camera or uploaded image files. Local processing, zero server uploads, and instant actionable results.
- ReDoS Checker & Sandbox — Test regular expressions for ReDoS vulnerabilities and catastrophic backtracking. Formal EDA/IDA automata verification, complexity analysis, and auto-fixes.
- Webhook Tester & Payload Debugger — Test, debug, and stress-test HTTP webhooks. Compute GitHub, Stripe, and Shopify HMAC signatures, simulate high-concurrency race conditions, and verify signature logic.
- WebSocket Tester & Real-Time API Debugger — Test, debug, and inspect WebSocket connections (ws:// and wss://) online. Native support for Socket.IO, SignalR, STOMP, GraphQL Subscriptions, Protobuf/JSON formatting, auto-heartbeats, and automated test assertions.
Frequently Asked Questions
Are code snippets and payloads stored on a server?
No. All parsing, validation, and transformations execute 100% client-side in your local browser runtime.
Can I use these developer tools for commercial projects?
Yes. All outputs, generated interfaces, and compiled code are completely free for personal and commercial use.