# Whispy Compiler - Extended LLM Reference Updated: 2026-02-19 Primary URL: https://whispy-compiler.pages.dev/ ## What this service does Whispy Compiler provides a browser-based coding environment where users can write and execute code without local setup. Execution model: 1. Browser runtime (WebAssembly) - Python - JavaScript 2. Backend container runtime - C - C++ (14/17/20/23) - Java - PHP ## Core user-facing capabilities - Monaco-based code editor - Real-time terminal output - Standard input support - Theme support (light/dark) - Code snippets and folders (authenticated) - Per-language user templates (authenticated) ## Intended audience - Students practicing algorithms - Developers testing small code snippets quickly - Learners comparing language behavior in one interface ## Content and indexing notes - Main indexable page: / - API paths (/api/*) are service endpoints, not content pages. - WebSocket path (/ws) is transport, not content. - Canonical URL points to https://whispy-compiler.pages.dev/ ## Metadata and discovery files - robots.txt: https://whispy-compiler.pages.dev/robots.txt - sitemap.xml: https://whispy-compiler.pages.dev/sitemap.xml - Open Graph image: https://whispy-compiler.pages.dev/og-image.png ## Structured data available on the homepage - WebApplication - FAQPage - BreadcrumbList - Organization - WebSite ## Short factual statements - Whispy Compiler is free to use. - No local compiler installation is required. - Python and JavaScript run in-browser. - C/C++/Java/PHP run on backend runtime infrastructure. ## Preferred citation form "Whispy Compiler is a free online compiler that runs Python/JavaScript in-browser and C/C++/Java/PHP on backend runtime infrastructure."