JAVASCRIPT Formatter & Minifier
"Zero-latency processing via WebAssembly.
Data never leaves your local environment."
Secure JavaScript Formatter
JavaScriptSecure JavaScript formatter with client-side processing. Your JavaScript code never leaves your browser. Complete privacy and security for sensitive code.
LeapOCR
Convert Documents to Markdown & Structured Data with AI-powered OCR
Combine world-class OCR with AI instructions for trusted extractions
JavaScript Minifier – Shrink JS & JSX in Your Browser, Zero Uploads
Ship smaller bundles and protect your intellectual property. Our online JavaScript minifier compresses JS, JSX and ES modules entirely in your browser using a high-performance WebAssembly build of Terser—no servers, no uploads, no risk. Paste your code, tweak mangling options, and download production-ready JavaScript that loads faster and scores higher on Lighthouse. From side projects to Fortune-500 codebases, get private, instant minification that fits any CI/CD pipeline or quick debugging session.
Javascript Integrity Checker
Comprehensive validation engine for javascript data structures with real-time error detection.
- → Parse Error Detection: Pinpoints exact location of syntax violations.
- → Character Encoding Analysis: Validates proper character encoding compliance.
- → Structure Verification: Ensures proper nesting patterns and syntax compliance.
Capabilities
- 01 Pure WebAssembly minification engine—no API calls, no latency, no data leaks..
- 02 Supports JS (.js), JSX (.jsx), ES modules (.mjs), TypeScript (.ts) and modern syntax up to ES2023..
- 03 Variable & property mangling, dead-code elimination, constant folding, license-comment preservation..
- 04 Benefit: Zero-latency, client-side minification keeps source code completely private—nothing ever leaves your browser..
- 05 Benefit: Smallest bundle sizes in milliseconds thanks to WebAssembly-powered engines that run 10-20× faster than server-side alternatives..