Playground
Interactive tools to speed up your workflow — all running in the browser
9 tools available
AI-powered CLI command generator. Describe what you need, get ready-to-paste commands.
Format, minify, and validate JSON with customizable indentation.
Build architecture diagrams with drag-and-drop components. Export as PNG or Mermaid.
Write and run JavaScript, TypeScript, Python, HTML, and CSS in the browser.
Test API endpoints with custom headers, body, and method. See responses instantly.
Count characters, words, lines, and reading time. Transform text case.
GitHub-Flavored Markdown editor with live preview. Copy as MD or HTML.
Build ATS-friendly resumes with 16 job templates. Export as PDF or JSON.
Paste any code and get block-by-block explanations with contextual connections.