Limited Availability File system access

File system access

The showOpenFilePicker(), showDirectoryPicker(), and showSaveFilePicker() methods request access to files and directories on the user's device and returns a handle for reading and writing to them.

Baseline Status: This feature is currently Limited (not yet Baseline). Latest engine implementation shipped on Jan 14, 2025.

Desktop Browser Engine Support

Google Chrome

86

Supported

Mozilla Firefox

—

Unsupported

Apple Safari

—

Unsupported

Microsoft Edge

86

Supported

Mobile Browser Engine Support

Chrome Android

132

Firefox Android

—

Safari iOS

—

Specifications and References

Specification ↗ Can I Use (native-filesystem-api) ↗ Feature XML ↗

MDN Browser Compat Data Keys:

api.FileSystemDirectoryHandle.@@asyncIterator ↗ api.FileSystemFileHandle.createWritable ↗ api.FileSystemHandle.queryPermission ↗ api.FileSystemHandle.requestPermission ↗ api.FileSystemWritableFileStream ↗ api.FileSystemWritableFileStream.seek ↗ api.FileSystemWritableFileStream.truncate ↗ api.FileSystemWritableFileStream.write ↗ api.Window.showDirectoryPicker ↗ api.Window.showOpenFilePicker ↗ api.Window.showSaveFilePicker ↗