csscss will parse any CSS files you give it and let you know which rulesets have duplicated declarations.
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Tag: CSS
5 Best Free and Open Source CSS Linter Tools
This article picks some useful tools to help you fix CSS code.
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scss-lint – keep SCSS files clean and readable
scss-lint is a tool to help keep your SCSS files clean and readable by running it against a collection of configurable linter rules.
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Stylelint – CSS linter
Stylelint is a CSS linter that helps you avoid errors and enforce conventions.
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postcss-bem-linter – BEM linter for PostCSS
BEM-style describes CSS that follows a more-or-less strict set of conventions determining what selectors can be used.
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UnCSS – removes unused CSS from stylesheets
UnCSS is a tool that removes unused CSS from your stylesheets. It works across multiple files and supports Javascript-injected CSS.
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14 Useful Free and Open Source CSS Parsers
A CSS parser is a component of a web browser (or any CSS-processing tool) that reads CSS code and turns it into a structured format.
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tinycss2 – CSS parser and generator
tinycss2 is a low-level CSS parser and generator written in Python: it can parse strings, return objects representing tokens and blocks
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css-parser – fork of the cssutils project
css-parser is a fork of the cssutils project. This fork includes general bug fixes and extensions specific to editing and working with ebooks.
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LibCSS – CSS parser and selection engine
LibCSS is a CSS (Cascading Style Sheet) parser and selection engine, written in C. It was developed as part of the NetSurf project.
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ParserLib – CSS3 SAX-inspired parser
The ParserLib CSS parser is a CSS3 SAX-inspired parser written in JavaScript.
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Ruby CSS Parser – load, parse and cascade CSS rule sets
Ruby CSS Parser is software to load, parse and cascade CSS rule sets.
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Lightning CSS – parser, transformer, bundler, and minifier
Lightning CSS is an extremely fast CSS parser, transformer, and minifier written in Rust. Use it with Parcel, as a standalone library or CLI
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PostCSS – transform styles with JavaScript plugins
PostCSS is a tool for transforming styles with JS plugins.
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Stylecow – modern CSS to all browsers
Stylecow is a Node library to fix your CSS code and make it compatible with all browsers.
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CSSLint – CSS code quality tool
CSSLint is a tool to help point out problems with your CSS code. It does basic syntax checking as well as applying a set of rules to the code
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CSScomb – coding style formatter for CSS
CSScomb is a coding style formatter for CSS. You can easily write your own configuration to make your style sheets beautiful and consistent.
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stylis – lightweight CSS preprocessor
stylis is a lightweight CSS preprocessor that’s written in JavaScript.
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Gonzales PE – CSS parser
Gonzales PE is a CSS parser which plays nicely with preprocessors. Currently the following languages are supported: SCSS, Sass, LESS.
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Biome – toolchain for web projects
Biome is a toolchain for web projects, that offers formatter and linter, usable via CLI and LSP
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