Bootstrap

Create responsive, mobile-first websites faster with Bootstrap's CSS and JavaScript components

Design Javascript Framework Developer tools

About Bootstrap

Bootstrap is a free, open-source framework for building responsive websites. It includes a responsive grid, pre-built components, and JavaScript plugins to help developers build modern, mobile-first sites quickly.

Key features

Responsive Grid System

Adapts to all screen sizes

Bootstrap's grid system ensures your website looks great on desktops, tablets, and smartphones.

Pre-built UI Components

Ready-to-use buttons, forms, modals, and more

Speed up development with Bootstrap's collection of pre-designed components, including navigation bars, alerts, and dropdowns.

Cross-browser Compatibility

Works consistently across all browsers

Bootstrap handles browser inconsistencies, so you can focus on building features instead of debugging.

Comprehensive Documentation

Easy-to-follow guides and examples

Bootstrap's well-organized documentation helps developers implement features quickly and efficiently.

Active Community Support

Help and resources from a large community

With a vast user base, finding solutions and best practices for Bootstrap development is straightforward.

Highly Customizable

Tailor Bootstrap to your project's needs

Use Sass variables to modify default styles and components, making Bootstrap adaptable to any design.

CDN Integration

Fast loading with Content Delivery Networks

Include Bootstrap via CDN to reduce initial load times and improve website performance.

FAQ

Alternatives to consider

See all alternatives

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Foundation

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ThumbnailCreator

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Materialize CSS

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Semantic UI

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UIKit

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Sass

CSS extension language with powerful features for professional styling

jQuery Mobile

Build cross-platform mobile apps with jQuery Mobile's responsive framework

Vue.js

A progressive, reactive JavaScript framework for building modern web interfaces

Framework 7

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PhoneGap

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Webix UI

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Onsen UI

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htmx

Powerful HTML tools for modern web development

Appcelerator Titanium

Build cross-platform mobile apps with JavaScript using Appcelerator Titanium

Mobile Angular UI

Build responsive HTML5 mobile apps using Bootstrap and AngularJS

Apache Flex

Build cross-platform applications with Apache Flex, the open-source framework for web and mobile development.

KIF iOS

KIF iOS: A robust framework for functional testing of iOS apps

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Riot.js

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Amazon RDS for PostgreSQL

Fully managed PostgreSQL database service on AWS

Badges

Promote Bootstrap giving it more exposure, by adding these badges to your website, documentation, or product listing. Each badge links back to Bootstrap page on Webfolio.

Badge style

Color

Monochrome

Dark

<a href="https://www.webfolio.to/tools/bootstrap?utm_source=badge&utm_campaign=badge" target="_blank" rel="noopener noreferrer"><img src="https://www.webfolio.to/badges/featured_color.svg" alt="Featured on Webfolio" style="max-width: 150px" /></a>

Resources

Pricing summary

Model

Open source

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