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Preview of OPFS Browser

OPFS Browser by JCHU634

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

5 (1 reviews)
19 Users
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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
More information
Version
1.0.2
Size
189.32 KB
Last updated
23 days ago (Aug 5, 2025)
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Release notes for 1.0.2
  • Relabelled RESET button to REFRESH for clarity
  • Added Debug button to enable/disable console logs (Disabled by default)
  • Added polling to automatically refresh OPFS contents.
  • Expanded folders are now persisted through refresh cycles.
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