Fast engines
Rust-based minification
CSS goes through LightningCSS and JavaScript through oxc-minify. Both are native, so large files finish quickly.
VS Code extension · Offline · 7 languages
Minify CSS and JavaScript without leaving VS Code.
Two Rust-based engines, LightningCSS for CSS and oxc-minify for JavaScript, run locally with no network and no API keys. Minify a file, save a .min copy, or minify on save.
code --install-extension miguel-colmenares.css-js-minifier01 · Why
Why CSS & JS Minifier
Fully offline
Your code never leaves your machine
Minification runs locally. There is no network request, no API key and no file size limit beyond your memory.
Your workflow
Overwrite, save a copy, or minify on save
Use the command palette or the context menu, write file.min.css next to the original, and see how many bytes you saved.
Seven languages
English, Spanish, French, German, Portuguese, Japanese and Chinese
The interface follows your VS Code language, with the strings kept in per-language files.
02 · Docs
Docs
How the extension is built, tested and translated.
Start
CSS & JS Minifier — Documentation
This directory contains technical documentation for the CSS & JS Minifier VS Code extension.
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Development
Extension Architecture
The CSS & JS Minifier extension follows a modular architecture pattern that separates concerns into distinct layers for better maintainability, testability, and code reusability.
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Development
Testing Guide
The CSS & JS Minifier extension uses VS Code's extension testing framework with Mocha. The current test suite covers 58 tests across three files, spanning activation, main functionality, and…
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Internationalization
Internationalization (i18n) Architecture
This document describes the internationalization (i18n) implementation for the CSS & JS Minifier extension.
Read
Start using CSS & JS Minifier
code --install-extension miguel-colmenares.css-js-minifier