How to Use the JavaScript Minifier
Paste JavaScript code and get a minified version instantly. The tool removes single-line and multi-line comments, collapses whitespace, and shows before/after byte counts.
Features
- **Comment Removal** — Strips // and /* */ comments while preserving string literals.
- **Whitespace Collapse** — Reduces indentation and blank lines to minimal separators.
- **Stats Display** — Original bytes, minified bytes, and savings percentage.
- **One-Click Copy** — Grab the minified output for your build pipeline.
Common Use Cases
1. **Quick Prototyping** — Minify small scripts without setting up a build tool.
2. **Performance Checks** — See how much a JS file can be compressed.
3. **Inline Scripts** — Compress JavaScript for inline tags.
Why Use This Tool
While production builds should use proper bundlers like esbuild or Terser, this tool is perfect for quick checks, one-off scripts, and understanding how whitespace and comments affect file size.
Zero-Knowledge Execution & Edge Architecture
Unlike traditional monolithic developer utilities, DevUtility Hub operates entirely on a Zero-Knowledge architectural framework. When utilizing the Minify Javascript JavaScript Minifier, all computational workload is completely shifted to your local execution environment via WebAssembly (Wasm) and your browser's native JavaScript engine (such as V8 or SpiderMonkey).
Why Local Workloads Matter
Transmitting proprietary JSON objects, sensitive source code, or unencrypted text strings to an unknown third-party server introduces critical security vulnerabilities. By executing the Minify Javascript JavaScript Minifier securely within the isolated sandbox of your Document Object Model (DOM), we structurally guarantee strict compliance with major data protection regulations like GDPR, CCPA, and HIPAA. We do not ingest, log, or telemetry your text payloads. Your local RAM serves as the absolute boundary.
Network-Free Performance
Furthermore, by completely eliminating asynchronous HTTP POST payloads to a centralized cloud infrastructure, we guarantee effectively zero latency. The Minify Javascript JavaScript Minifier provides instant execution without arbitrary rate limits, artificial file size constraints, or server timeouts. Our global edge network serves the application wrapper, while your local machine handles the heavy lifting.
Senior DevTools Architect • 15+ Yeaers Exp.