Bootstrap.build
A powerful Bootstrap theme builder
Bootstrap.build launched on December 28, 2017 with 295 votes, #54 of 2,482 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 8 years on.
In plain words
Bootstrap.build is a web app that lets developers and designers create custom Bootstrap themes without coding from scratch. It features an inline code editor, color picker, unit variable controls, SASS variable suggestions, and Google Fonts integration. Users can export their themes as SASS variables or complete Bootstrap builds. The tool is open source and designed for anyone building branded websites with Bootstrap.
written from the facts on this page · September 2026
From the sources
https://bootstrap.build is a web app to create custom Bootstrap themes and export them to a SASS variables file or a brand new Bootstrap build. Enjoy inline code editor, Sketch-like color picker, +/- buttons for unit variables, SASS variables typeahead and Google fonts integration. Open Source!
Design a custom Bootstrap 5 theme in your browser. Edit Sass variables with a live preview, then export clean Sass or CSS. Free and open source.
Edit Bootstrap’s Sass variables with a live preview, then export clean Sass or compiled CSS. No account, nofrom bootstrap.build
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