File Handling

File Handling provides a way for web applications to declare the ability to handle files with given MIME types and extensions. The web application will receive an event when the user intends to open a file with that web application.


Editor's draft

Status in Chromium


Proposed (tracking bug)

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.



This will depend on service worker launch events and writable files.

Search tags

files, file handling, mime,

Last updated on 2020-10-25