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Stylebot

Open source

Stylebot is a browser extension for Chrome, Firefox and Edge that lets you restyle any website with a visual editor or custom CSS.

stylebot.dev
Stylebot homepage screenshot
GitHub stars
1.6k
Last commit
yesterday
Repository age
16 years
Version
v3.2.4
Licence
MIT
Self-hosted
Yes

About Stylebot

Stylebot is a browser extension that changes the appearance of any website. It is available for Chrome, Firefox and Edge, and it lets you adjust pages to your preference, whether that means improving readability, switching to a dark appearance, muting colors or removing distracting elements.

There are two ways to work. A visual editor lets you pick any element on the page and restyle it without writing CSS, while a code editor offers autocomplete and color swatches for people who prefer to write their own CSS. Changes apply instantly and save automatically. Presets such as Readability and Grayscale provide quick starting points, and styles can be synced across browsers with a history to restore earlier versions.

The extension is written in TypeScript and released under the MIT licence. The README notes that version 3.x is what the browser stores currently ship, while Stylebot 4 is in active development on a separate branch. It suits readers, accessibility-minded users and developers who want per-site control over how the web looks.

Key features

  • Visual element picker and style editor
  • Custom CSS editor with autocomplete
  • Instant, automatically saved changes
  • Readability and Grayscale presets
  • Style sync across browsers
  • Version history for each site

Good fit for

  • →Making articles easier to read
  • →Applying dark mode to sites without one
  • →Hiding distracting page elements
Tags
browser-extension
css
chrome-extension
dark-mode
readability
accessibility
custom-css
typescript
web-design

Stylebot: questions and answers

What is Stylebot used for?
Stylebot is a browser extension for Chrome, Firefox and Edge that lets you restyle any website with a visual editor or custom CSS. It is a good fit for making articles easier to read, applying dark mode to sites without one and hiding distracting page elements.
Is Stylebot open source?
Yes. Stylebot is open source under the MIT licence. Its source code is on GitHub at ankit/stylebot and is written mainly in TypeScript.
Is Stylebot free?
Yes. Stylebot is open source, so the software itself is free to use.
Can I self-host Stylebot?
Yes. Stylebot can be self-hosted on your own server or infrastructure.
What are some alternatives to Stylebot?
Similar open-source tools in the Productivity category include Dark Reader, Vimium and Univer. SaaS products in the same category include AutoScroll Pro, 1 Pixel Workout and AfterFeed.
Is Stylebot actively maintained?
Yes. The most recent commit to Stylebot was on 1 October 2026, and the latest release is v3.2.4, published on 16 September 2026. The project has 1.6k stars on GitHub.

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