buncha.tools
buncha/code & dev/jsmin

JavaScript Minifier

Terser-powered JavaScript minifier. Removes whitespace and comments, shortens variable names, applies dead-code elimination and constant folding. The same minifier webpack and rollup use under the hood. Runs entirely in your browser — code never uploads.
Input
Minification runs in your browser via Terser. Code never uploads.

Pairs well with

Base64 Encoder / Decoder
UTF-8-safe Base64 encode and decode. Handles emoji…
Binary Converter
Convert text to binary and binary to text.
CSS Background Pattern Generator
Build tileable backgrounds with pure CSS gradients…
CSS Checkbox & Switch Generator
Pure-CSS checkbox and toggle-switch styles that ov…

About JavaScript Minifier

Terser-powered JavaScript minifier. Removes whitespace, mangles variable names, applies dead-code elimination. The same minifier webpack and rollup use.

Everything happens on your device. Close the tab and it's gone.
b
Built browser-first. Run by one developer.
Every tool runs on your device. No tracking pixels, no sign-up to start. The numbers below are pulled live from the registry.
386
Free tools
Across 14 categories
7
Visual editors
PDF · image · video · audio
34
Curated kits
By profession + lifestyle
27
AI tools
Powered by Claude API
Files never uploadNo tracking pixelsNo sign-up neededWorks in any modern browser
The handful of AI tools (paraphrase, summarise, blog, captions, etc.) send your prompt text to Anthropic's Claude API to do the work. Files, images, PDFs and video never leave your device. Pick the tools that fit your privacy comfort.