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Preview of OPFS Browser

OPFS Browser by JCHU634

View and edit the OPFS file system in the debug tools.

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The OPFS Browser Extension in use
About this extension
OPFS Browser is a extension which allows you to see, download and upload to the Origin Private File System (OPFS) of a web application from the Dev tools.

Usage:
Open the DevTools and click on the OPFS Browser tab.
You can then click on any files and directories, upload files and download file.

OPFS test page: https://jchu634.github.io/opfs-test/
Source code: https://github.com/jchu634/OPFS-Browser
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Permissions and dataLearn more

Required permissions:

  • Extend developer tools to access your data in open tabs
  • Access your data for all websites
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Add-on Links
Version
1.0.1
Size
186.59 KB
Last updated
3 days ago (Jul 16, 2025)
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License
MIT License
Version History
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Release notes for 1.0.1
Bugfix:
- Fixed panel icons not showing
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