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File System Access API

This feature is not (yet) supported on your device

Your device supports the File System Access API

Your device supports Origin Private File System

The File System Access API allows apps to access the native file system of a user's device after permission has been granted. The Origin Private File System is an origin-specific virtual filesystem that is highly optimized for performance.

Click the button "Open directory" below to browse the file system of your device and click a file to open it.

Text-based files can be edited and saved. Images will be opened and shown as read-only files.



Check the file-tree repo for the source code of the Web Component that was used in this demo:


File System Access API on

Browser support

File System Access API on

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