Chrome Web Store
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The Chrome Web Store no longer accepts Manifest V2 extensions. Please use Manifest V3 when building new extensions. You will find a section on upgrading in the navigation tree at the left, including the Manifest V2 support timeline.
Most extensions are hosted in the Chrome Web Store to best protect users from malicious extensions.
Hosting
All extensions are distributed to users as a special ZIP file with a .crx suffix. Extensions hosted in the Chrome Web Store are uploaded through the Developer Dashboard as .zip files. The publishing process automatically converts the .zip into a .crx file.
There are three exceptions to the Chrome Web Store hosting rule:
- Extensions that are distributed through the enterprise policy.
- Unpacked extension directories from a local machine while in developer mode.
- Linux installation.
Read more about the hosting policy.
Updating
The Chrome Browser periodically checks for new versions of installed extensions and updates them without user intervention.
To release an update to an extension, increase the number in the version field of the manifest.
{
...
"version": "1.5",
...
}{
...
"version": "1.6",
...
}Convert the updated extension directory into a ZIP file and locate the old version in the Developer Dashboard. Select Edit, upload the new package, and hit Publish. The browser will automatically update the extension for users after the new version is published.
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