SweetAlert2
A customizable, accessible replacement for JavaScript's built-in popup boxes, with no dependencies.
- Stars
- 18.1k
- Forks
- 1.6k
- Licence
- MIT
- Language
- JavaScript
- Last update
- 10 days ago
- Type
- Library
What it is
SweetAlert2 is a JavaScript library that shows popup dialogs, alerts, confirmations, prompts and toast notifications on a web page. It replaces the plain browser alert and confirm boxes with styled, responsive ones that follow WAI-ARIA accessibility conventions. The README says it has zero dependencies.
- Show a confirmation dialog before a user deletes an item
- Ask the user for text input in a styled prompt box
- Display brief toast notifications that disappear automatically
- Show success or error messages after a form submission
Great for
- Web developers who want nicer popups than the browser's built-in alert and confirm boxes
- Teams adding confirmation dialogs before destructive actions like deleting data
- Projects that need accessible modal dialogs without pulling in extra libraries
- Developers who want prebuilt themes that match frameworks such as Bootstrap or Material UI
Not ideal for
- Projects that do not run JavaScript in a browser, since it is a front-end popup library
- Anyone who needs a fully custom dialog system built from scratch, as this library brings its own look and behavior
- Non-developers who want a no-code tool; using it requires writing code
How to get it
- 1
Install with a package manager
Clone the repository
git clone https://github.com/sweetalert2/sweetalert2 - 2
Run it
- Install the package or include the built sweetalert2.min.js file in your page
- Call Swal.fire() with a title and text to show a basic popup
- Check the official docs at sweetalert2.github.io for usage examples
- 3
Get the most out of it
- Use the bundled theme CSS files such as bootstrap-5.css or material-ui.css to match your existing design
- Try the official recipe gallery linked in the README for working examples
- Use the React, Angular or Laravel wrapper projects linked in the README if your stack uses them
Downloads
Strengths
- The README describes it as zero dependencies
- Built to be accessible with WAI-ARIA support
- Customizable and includes several prebuilt theme CSS files in the latest release
Trade-offs
- The README is truncated and does not show the full API, so the depth of customization is hard to judge from it alone
- Much of the README is sponsor listings, which makes the documentation harder to scan
- Its popups are a visual style choice; teams wanting a specific design system may still need to adapt the styles
How it compares
| Project | Stars | Type | Level | Updated | Best for |
|---|---|---|---|---|---|
| sweetalert2 (this) | 18.1k | Library | beginner | 10 days ago | Web developers who want nicer popups than the browser's built-in alert and confirm boxes |
| sweetalert | 22.2k | Library | beginner | 3.6 years ago | Web developers who want nicer alert and confirm popups than the browser default |
| chakra-ui | 40.7k | Library | intermediate | 4 days ago | React developers who want prebuilt UI components instead of styling from scratch |
| sonner | 13.1k | Library | beginner | 3 months ago | React developers who want quick, good-looking notifications without building their own |
| bootstrap-vue | 14.4k | Library | intermediate | 7 months ago | Developers maintaining an existing Vue 2 app that already uses BootstrapVue |
| downshift | 12.3k | Library | intermediate | 4 months ago | React developers building a custom autocomplete or search-as-you-type input |
Stats synced from GitHub. The assessment above was drafted with AI from the project's README on 2026-10-29 and may miss recent changes — check the README before relying on a command. MIT licence: free to use, modify and distribute, including commercially, as long as you keep the copyright notice.