"file_handlers" manifest key specifies file types to be handled by a ChromeOS extension. To process a file, use the web platform's Launch Handler API. For extension specific information, see File Handling.
This feature is currently available in Chrome 120 beta.
"name": "Plain text",
- Specifies the file types the extension can open.
- A user friendly description of the action.
- The file types that can be processed by the page specified in
"action". The items in the dictionary are a key/value pair where the key is a MIME type and the value is an array of file extensions. Only known MIME types are allowed for the key. Custom file types are allowed but the key for a custom type must be a known MIME type, and the mapping between the MIME type and the custom file type must be supported by the underlying operating system.
- Specifies whether multiple files should be opened in a single client or multiple clients. Valid values are
"multiple-clients". The default value is