.xpi XPInstall installer module
Archives & packages
| MIME type | application/x-xpinstall |
|---|---|
| Description | XPInstall installer module |
| Category | Archives & packages |
| Based on | application/zip |
Frequently asked questions
What is a .xpi file?
A .xpi file is a “XPInstall installer module” (MIME type application/x-xpinstall).
How do I open a .xpi file?
With an archive tool such as 7-Zip (Windows) or the built-in archive manager on macOS or Linux. On the command line, use tar, unzip or 7z depending on the format.
How can you tell a genuine .xpi file?
No fixed signature at the start of the file is registered for this format; it is recognised mainly by its extension. On Linux and macOS, file --mime-type example.xpi shows the guessed type.
Which format is .xpi based on?
Technically a .xpi file is a subtype of “Zip archive” (application/zip), so programs for that base format can often read it too.
Which MIME type belongs to .xpi?
The MIME type is application/x-xpinstall. In the Apache web server: AddType application/x-xpinstall .xpi; in nginx: types { application/x-xpinstall xpi; }.