API File Type

- The quick facts

What are API files and how to open them

Are you having problems opening an API file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an API file?

API is an acronym for Adobe Plug-In. Files that contain the .api file extension often consist of plug-in utilities that are used by a variety of different Adobe applications.

The API files that are used by Adobe programs provide users with added features and functionality in the associated Adobe software.

The Adobe PhotoShop file also uses the .api file extension, but not for plug-in files. This Adobe program uses the .api file suffix for ink color settings.

The Apple WebObjects software program also uses the .api file suffix. These files contain the interface files that are used by the WebObjects utility.

How to open API files

Important: Different programs may use files with the API file extension for different purposes, so unless you are sure which format your API file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 5 different API openers which you will find listed below.

Last updated: July 13, 2020

Suggest another file format using extension API

While we know of one file format using the .API file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .API file.

Various apps that use files with this extension

These apps are known to open certain types of API files. Remember, different programs may use API files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Adobe PhotoshopAdobe PhotoshopUser submitted
Adobe Photoshop ElementsAdobe Photoshop ElementsUser submitted
Any Video Converter ProfessionalAny Video Converter ProfessionalUser submitted
APLEAPLEUser submitted
Adobe Acrobat ReaderAdobe Acrobat ReaderUser submitted
We have not verified any software that we know for certain will work with API-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with API-files. If you know one, please use the 'Suggest a program' link below and tell us about it!