| Type | Number |
|---|---|
| Mandatory | Yes |
| Example |
"manifest_version": 2 |
This key specifies the version of manifest.json used by this extension.
Currently, this must always be 2.
Example
"manifest_version": 2
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Chrome | Edge | Firefox | Firefox for Android | Opera | |
|---|---|---|---|---|---|
| Basic support | Yes | Yes | 48 | 48 | Yes |