Notion Syntax Highlighter

Name: Notion Syntax Highlighter
Rating: 5 (6 reviews)
Author: jserwatka.dev

Improves Notion's code blocks syntax highlighting + adds tons of theme options

As of June 2026, Notion Syntax Highlighter has 903 users and a 5.00/5 rating from 6 reviews in the Workflow & Planning category.

jserwatka.dev Workflow & Planning

Chrome Web Store ↗.crx

Users−0.9%

903

Rating0%

5.00

6 reviews

Reviews0%

Version

0.0.11

Manifest V3

History

11 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	911	5.00	6	0.0.11
Apr 9, 2026	897	5.00	6	0.0.11
Apr 19, 2026	925	5.00	6	0.0.11
Apr 25, 2026	913	5.00	6	0.0.11
May 2, 2026	887	5.00	6	0.0.11
May 9, 2026	899	5.00	6	0.0.11
May 13, 2026	892	5.00	6	0.0.11
May 19, 2026	903	5.00	6	0.0.11
May 25, 2026	912	5.00	6	0.0.11
Jun 1, 2026	880	5.00	6	0.0.11
Jun 8, 2026	876	5.00	6	0.0.11
Now	903	5.00	6	0.0.11

Permissions & access

Permissions: storage
Host access: None declared

Screenshots

About

🖼️ 245 available themes
🔧 Improved syntax highlighting
🩹 Minor fixes for code blocks
🔓  Open source & free - you can find github repo here: 
       https://github.com/JSerwatka/notion-syntax-highlighter
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                               🛠️ HOW DOES IT WORK
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1. Upon installing the extension, the default theme (Gruvbox dark) will be automatically selected.
2. To change the theme, simply click on the extension's icon and select a different theme.
3. For convenience, only a few themes are visible in the main theme dropdown. To add more, click below the dropdown or right-click on the extension's icon and choose the "Options" menu. On the options page, select the themes you want to appear in your default list.

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                                🦁 FOR BRAVE USERS
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To make this extension work on Brave browser, please follow this instruction: https://github.com/JSerwatka/notion-syntax-highlighter#for-brave-users

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                                    🔐 PRIVACY POLICY
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Notion Syntax Highlighter extension does not analyze or send any user data. All the essential data needed for the extension to function, such as your selected themes and color scheme preferences, are stored locally within your browser.


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                          🎁 SUPPORT & CONTRIBUTE 
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This extension requires thorough testing, so if you encounter any issues, please report them as bugs here: 
https://github.com/JSerwatka/notion-syntax-highlighter/issues

You can support this project by:
❤️ Rating it
🤗 Proposing changes and contributing to its development
🐛 Reporting any bugs you encounter


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                                    🐛 KNOWN ISSUES 
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Up-to-date issue list can be found here: 
https://github.com/JSerwatka/notion-syntax-highlighter#known-issues

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                                🚀 Future Improvements                             
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- Resolve performance issues related to editing large code blocks
- Add shadow and rounded borders (configurable in settings)
- Add line numbers (configurable in settings)
- Allow line height customization (configurable in settings)
- Support prettier and other code formatters
- Simplify the process of adding new themes