Web features explorer

File system access

Limited availability

This feature has received a negative standards position from at least one browser vendor — It's very unlikely to ever become Baseline in this current form.

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.

Browser support (view on caniuse.com)

  • Chrome 86 Released on 2020-10-20
  • Chrome Android 132 Released on 2025-01-14
  • Edge 86 Released on 2020-10-09
  • Firefox Not supported Position: negative Bugs: 1246236
  • Firefox for Android Not supported Position: negative
  • Safari Not supported Position: oppose (concerns: security)
  • Safari on iOS Not supported Position: oppose (concerns: security)

MDN documentation

Specifications

Usage (according to Chrome Platform Status)

~0.004% of page loads. More data at chromestatus.com.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

Surveys

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