Claude ReFlow by BlackLink
Redesign Claude.ai's sidebar with custom themes and quick access features
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About this extension
Welcome to Claude ReFlow a originally Chrome based extension with new support for Mozilla that allows you to theme Claude.ai however you want. Got tired of the default colors? Change literally everything. (With obvious caveats of course!)
ReFlow lets you customize elements from the Sidebar to the literal hover text color on your chats and sidebar buttons.
You can also import and export ReFlow presets to share with others!
There is also a hidden picture of a ReFlow themed rat in the images folder originally there for the unpacked copy of ReFlow.
PLEASE NOTE: This extension doesn't work well if you are using Claude.ai in Light Mode! This is something I plan to fix in a later update.
ReFlow lets you customize elements from the Sidebar to the literal hover text color on your chats and sidebar buttons.
You can also import and export ReFlow presets to share with others!
There is also a hidden picture of a ReFlow themed rat in the images folder originally there for the unpacked copy of ReFlow.
PLEASE NOTE: This extension doesn't work well if you are using Claude.ai in Light Mode! This is something I plan to fix in a later update.
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Permissions and data
Required permissions:
- Access your data for claude.ai
Optional permissions:
- Access your data for claude.ai
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.2.0.4
- Size
- 46.59 KB
- Last updated
- 4 days ago (Aug 11, 2026)
- Related Categories
- License
- MIT License
- Version History
- Add to collection
The developer of this extension asks that you help support its continued development by making a small contribution.