Open-source alternatives to Django Compressor

SVGR is a tool that transforms static SVG files into reusable React components for direct rendering within user interface trees. It functions as an AST-based code transformer and build-time asset pipeline, parsing SVG XML into an abstract syntax tree to modify elements before generating JavaScript source code. The project integrates an external optimization engine to strip redundant metadata and minify attributes, ensuring vector images are flexible and easy to style. It uses recursive tree traversal to apply these transformations to all nested graphic elements and employs attribute mapping t

DEPRECATED. Remove unused CSS selectors.

Autoprefixer for Ruby and Ruby on Rails

CLI image optimization tool

Minify files with UglifyJS.

csso is a CSS minifier and optimizer that reduces stylesheet file sizes through structural analysis and algebraic transformations. It functions as an abstract syntax tree processor, converting styles into a structured tree to perform deep analysis and semantic-preserving code transformations while maintaining the original visual presentation. The project distinguishes itself through usage-aware optimization, analyzing external HTML markup and class identifiers to prune unused styles and reorganize rules based on actual document usage. It also performs structural refactoring by identifying and

A simple command line tool to minify your HTML, Razor views & Web Forms views

Radically simplified static file serving for Python web apps

Clean-CSS is a Node.js CSS optimizer that functions as a minifier, bundler, and post-processor. It is designed to decrease total stylesheet volume by removing whitespace, comments, and redundant code. The project provides a pipeline for applying custom transformations and browser compatibility adjustments. It allows for the programmatic modification of CSS rules and values through a plugin system and the use of custom optimization plugins. The tool covers a broad range of asset optimization capabilities, including stylesheet bundling, import rule inlining, and relative URL rebasing. It also

Compress CSS files.

Concatenate files.

Minify HTML.

Minify PNG, JPG, GIF and SVG images.

imagemin is a Node.js image optimizer and minification tool designed to reduce the storage size of image assets. It functions as a build pipeline asset optimizer that employs both lossy and lossless compression to remove unnecessary metadata and optimize pixel data. The project uses a plugin-based architecture to extend its functionality, loading external modules that handle specific image formats and compression algorithms. This allows the tool to serve as a flexible toolkit for automating image compression within development pipelines. The system covers broad capabilities for web performan

Provides integration with your CakePHP application & Laravel Mix.

CLI bash script to optimize images in parallel easily and efficiently!

Make ImageOptim, ImageAlpha and JPEGmini part of your automated build process

Make optimisation of images part of your automated build process

Use JavaScript to generate JavaScript

A Jinja extension (compatible with Flask and other frameworks) to compile and/or compress your assets.

lightweight lossless file minifier/optimizer

Django Gears