Skip to content
OpenToolVault

CSS Autoprefixer

Parse CSS and add vendor prefixes automatically. Paste CSS, get prefixed output.

Not yet verified
Demo online
MIT

Open the official app on autoprefixer.github.io

This tool is hosted by its maintainers. Click below to open autoprefixer.github.io in a new tab — it's their official demo.

Launch tool View source
Browse design tools →

What's next with CSS Autoprefixer?

Choose how you want to get started.

Use it free

Open the official tool or demo — no account needed.

Free

Self-host it

Run the open-source version on your own infrastructure.

Open

What is CSS Autoprefixer?

CSS Autoprefixer is Parse CSS and add vendor prefixes automatically. Paste CSS, get prefixed output. Source: https://github.com/css-autoprefixer. License:.

How it works

CSS Autoprefixer works by processing your input directly. Parse CSS and add vendor prefixes automatically. Paste CSS, get prefixed output.

How to use it

  1. 1Open the CSS Autoprefixer tool, enter your input, and get your result instantly.

What it can do

  • Parsing

Use cases

Assumptions and limitations

Assumptions

  • source: https://github.com/css-autoprefixer
  • license: Open source
  • privacy: Opens an external demo

Limitations

  • External demo — opens a third-party website that you do not control.
  • License status not stated — verify usage terms before commercial use.
  • Relies on an external source (github.com); availability depends on that service.
  • Focused on the design tools category: Parse CSS and add vendor prefixes automatically. Paste CSS, get prefixed output..

Understanding the result

Parse CSS and add vendor prefixes automatically. Paste CSS, get prefixed output.

Tool details

  • Clearly flagged when a network request is needed.
  • No account, no sign-up, and no tracking of your content.
  • Powered by css-autoprefixer (MIT).
Built with
css-autoprefixer (https://github.com/css-autoprefixer)
License
MIT
Runs locally
No — requires a network request
Verification
Not yet verified
Input
Text
Output
Output
Open-source source & license

Built with https://github.com/css-autoprefixer. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.

Built with
css-autoprefixer
License
MIT
View source on GitHub

Open-source project

License: MITSource: this projectOfficial site

OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.

References

Frequently asked

What is CSS Autoprefixer?

Parse CSS and add vendor prefixes automatically. Paste CSS, get prefixed output.

Where can I find the source code?

The source is available at https://github.com/css-autoprefixer

What license is it?

.

Is it free to use?

Yes, it is open-source and free to use.

Spotted something wrong with CSS Autoprefixer, or want to maintain it? See how to help.