Stylish alternatives

CSS injectors

You can click the checkmarks for a direct link to the respective extension gallery.

Extension	Chrome	Firefox v57+	Opera	Safari	Edge	Users (02/2021)
Stylus 🍭	✔️	✔️	✔️	❌	❌	700,000
User JavaScript and CSS 💪	✔️	❌	⭐	❌	❌	70,000
Magic CSS	✔️	❌	✔️	❌	✔️	48,000
Custom Style Script	✔️	✔️	✔️	❌	❌	34,000
Styler 💪	✔️	✔️	⭐	❌	❌	11,000
Super CSS Inject	✔️	✔️	⭐	❌	❌	400
Cascadea 🍭	❌	❌	❌	✔️	❌	?
PageExtender 💪	❌	❌	❌	✔️	❌	?

🍭 Can install styles from userstyles.org
🍐 Can install styles from freestyler.ws
👀 There are 3 different extensions named restyle
💪 Can also inject JavaScript
⭐ Load Chrome extension into Opera using this extension

Outdated CSS injectors

Older, possibly unmaintained extensions (showing last update at least older than one year):

Extension	Chrome	Firefox v57+	Opera	Safari	Edge	Users (02/2021)
reStyler (2019-06)	✔️	❌	⭐	❌	❌	290
xStyle (2019-03) 🍐 🍭	✔️	✔️	⭐	❌	❌	20,000
JavaScript Tricks (2019-03) 💪	✔️	❌	⭐	❌	❌	1000
reStyle (2018-11) 👀 🍭	❌	✔️	❌	❌	❌	80

• Stylebot (Chrome) - 10/2018
• ReStyle 👀 (Firefox v57+) - 12/2017
• JScript tricks (Chrome) - 11/2017
• User CSS (Chrome) - 10/2017
• Jimmy's CSS Injector (Chrome) - 09/2017
• Osprey (Chrome) - 03/2017
• restyle 👀 (Chrome) - 02/2017
• StylRRR (Firefox < v57) - 09/2016
• Freestyler (Chrome, Firefox < v57 inofficial, Opera, Safari) - 03/2016
• Live CSS Editor (Chrome) - 12/2014

Global dark extensions

These browser extensions are not a true replacement as they don't allow to insert site-specific custom CSS. Nevertheless for many people the main purpose of Stylish is to make pages easy at the eyes, thus darken them.

You can click the checkmarks for a direct link to the respective extension gallery.

Extension	Chrome	Firefox v57+	Opera	Safari	Edge	Users (05/2020)
Dark reader	✔️	✔️	⭐	✔️*	✔️	> 2.5 M
Dark Mode	✔️	✔️	✔️	❌	✔️	> 1.9 M
Night Mode Pro	✔️	✔️	✔️	❌	❌	230,000
Dark Background and Light Text	❌	✔️	❌	❌	❌	95,000
Night Eye	✔️*	✔️*	⭐	❌	✔️*	94,000
Dark Night Mode	✔️	✔️	⭐	❌	❌	87,000
Super Dark Mode	✔️	✔️	⭐	❌	❌	73,000
Midnight Lizard	✔️	✔️	⭐	❌	✔️	49,000
Dark Mode / Night Reader	✔️	✔️	⭐	❌	❌	20,000
Dark View	✔️	✔️	⭐	❌	❌	4,200

⭐ Load Chrome extension into Opera using this extension
* Not free

Outdated Global Dark extensions

Older, possibly unmaintained extensions (showing last update at least older than one year):

Extension	Chrome	Firefox v57+	Opera	Safari	Edge	Users
Night Light Mode (12/2018)	✔️	✔️	⭐	❌	❌	2,100
Global Dark Style (07/2018)	✔️	✔️	⭐	❌	❌	800
Owl (03/2018)	❌	✔️	❌	❌	❌	4,700
Dark Mode Global (02/2018)	✔️	✔️	⭐	❌	❌	500
Dark theme everywhere (06/2016)	✔️	❌	⭐	❌	❌	7,000