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Filesystem & FileWriter API

Filesystem is a method of reading and writing files to a sandboxed file system.

Last updated on : 2025-11-11

Browser Versions

IE

Edge

Firefox

Chrome

Safari

Opera

5.5 - 11

12 - 18

79 - 142

2 - 147

4 - 7

8 - 12

13 - 145

3.2 - 26.2

9.5 - 12

15 - 122

Fully Supported

Partially

No Support

Browser Compatibility

Filesystem & FileWriter API on IE is not supported on any IE versions.

Filesystem & FileWriter API on Edge is fully supported on 79-142, and not supported on 12-18 Edge versions.

Filesystem & FileWriter API on Firefox is not supported on any Firefox versions.

Filesystem & FileWriter API on Chrome is fully supported on 13-145, partially supported on 8-12, and not supported on 4-7 Chrome versions.

Filesystem & FileWriter API on Safari is not supported on any Safari versions.

Filesystem & FileWriter API on Opera is fully supported on 15-122, and not supported on 9.5-12 Opera versions.

Filesystem & FileWriter API on Safari on iOS is not supported on any Safari on iOS versions.

Filesystem & FileWriter API on Android Browser is not supported on any Android Browser versions.

Filesystem & FileWriter API on Opera Mobile is fully supported on 72-80, and not supported on 10-64 Opera Mobile versions.

Filesystem & FileWriter API on Chrome for Android is fully supported on all Chrome for Android versions.

Filesystem & FileWriter API on Firefox for Android is not supported on any Firefox for Android versions.

Filesystem & FileWriter API on Samsung Internet is fully supported on 5-29, and not supported on 4-4 Samsung Internet versions.

Browser Support for Filesystem & FileWriter API

Filesystem & FileWriter API on Chrome

Filesystem & FileWriter API on Safari

Filesystem & FileWriter API on Firefox

Filesystem & FileWriter API on Internet Explorer

Filesystem & FileWriter API on Opera

Filesystem & FileWriter API on Edge

References

Data sourced from

50

Medium

Overall Browser Compatibility Score

Note:Filesystem & FileWriter API shows a browser compatibility score of 50. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.

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