.API File

The api file extension is related to Adobe Acrobat, a family of software for working with PDF files.

The api file contains plugin for Adobe Acrobat and Adobe Reader that add more features or support for other formats to these programs.

Files with api file extension might be generally found as plugins for Adobe Products, like Acrobat.

How to open:

You can import these plug-ins to Adobe Acrobat and Adobe Reader.

How to convert:

Probably cannot be converted to anything else.