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Andrey Sitnik

ai
Barcelona, Spain

Hi. My name is Andrey Sitnik and I live in Spain. I have been creating open source tools for web development since 2004.

My most famous works include PostCSS, Autoprefixer, Browserslist, Nano ID. With >300 millions downloads per day. You can likely find my work in your node_modules.

Your donation will improve web ecosystem by helping me keep the productivity in these areas:

  1. Keeping PostCSS alive (used in Tailwind CSS and webpack) and maintaining for plugins including Autoprefixer, postcss-nested, postcss-simple-vars.
  2. Promoting browsers diversity with Browserslist (used in Babel and Gatsby), browsersl.ist website, and public talks about the problem.
  3. Spreading practices to reduce JS bundle and node_modules footprint. Including creating tools like Size Limit, nano-libraries like Nano ID or Nano Stores, or an article about reducing favicon files.
  4. Creating ecosystem around oklch() to bring more vivid colors to Web. I created the first OKLCH color picker and wrote the first oklch() guide for CSS.

Andrey Sitnik developers on laptop

Featured sponsors

@joshnuss
@davesnx
@cocopon
@measuredco
@TheLarkInn
@themactep
@vitejs
@tarunsachdeva
@kevinpeckham

Current sponsors 21

@TheLarkInn
@themactep
@kevinpeckham
@slowdownitsfine
@roboflow
@cootook
@spaceemotion
@davesnx
@pshergie
@measuredco
@endearhq
@kirjs
@phil-lgr
@joshnuss
@SpectralRay
@devope
@GitbookIO
@syntaxfm
@awanmbandi
@andrew
@FrontendMasters
Past sponsors 54
@levenkov
@ngrushkovsky
@mitch-henderson
@jackmcdade
@kkomelin
@Askari-XL
@vitejs
@tarunsachdeva
@ninaTorgunakova
@dankimio
@alexbaumgertner
@kapicaoskar
@snaka
@GreatTA1998
@oliver-za
@D3Portillo
@pleo-io
@talentlessguy

Featured work

  1. postcss/postcss

    Transforming styles with JS plugins

    TypeScript 28,562
  2. postcss/autoprefixer

    Parse CSS and add vendor prefixes to rules by Can I Use

    JavaScript 21,736
  3. browserslist/browserslist

    🦔 Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-preset-env

    JavaScript 13,062
  4. ai/size-limit

    Calculate the real cost to run your JS app or lib to keep good performance. Show error in pull request if the cost exceeds the limit.

    JavaScript 6,581
  5. ai/nanoid

    A tiny (124 bytes), secure, URL-friendly, unique string ID generator for JavaScript

    JavaScript 24,764
  6. nanostores/nanostores

    A tiny (286 bytes) state manager for React/RN/Preact/Vue/Svelte with many atomic tree-shakable stores

    TypeScript 5,492

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