All about AIDL Files

The AIDL file type is primarily associated with Android Studio.

AIDL	File extension: AIDL
	File type:	Inter-process communication

What is an AIDL file

AIDL files mostly belong to Android Studio. An Android Interface Definition Language (AIDL) file is used for inter-process communication (IPC) in Android. It defines the interface that both the client and service agree upon for communication. The AIDL compiler then generates code to handle the marshaling and unmarshaling of data, allowing processes to exchange data even if they have different address spaces.

How to open AIDL files

You need a suitable software like Android Studio to open an AIDL file. You need a suitable software like Android Studio to open an AIDL file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your AIDL file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a AIDL file directly in the browser:. Just drag the file onto this browser window and drop it.

Online AIDL Text Viewer

Choose your .aidl file to analyze

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4 Steps to Open an Unknown .AIDL File

Because .AIDL files come from various development environments, they aren't universally openable.

Identify the Source: If received from an Android developer or found in an app repository, it is likely an Inter-process communication developer file meant for Android Studio.
Check the Header: Open the file in a text editor to inspect the opening lines.
- Readable Java-like syntax (like package or interface) confirms it is an Android IPC file.
- Magic bytes like "PK" suggest it may be a zipped archive instead.
Use the Original Software: The original program is usually required; try Android Studio, IntelliJ IDEA, or VS Code, or ask the sender if uncertain.
Use this Webpage: Drag and drop your file into our viewer to detect the format, extract readable text or metadata, and preview contents when possible.

Technical Data for AIDL File Extension

File classification:

Developer file

Related files:

apk, dex, so, obb, kt, aar

an aidl Inter-process communication is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with AIDL files

Associate the AIDL file extension with the correct application.
Update your software that should actually open inter-process communications. Because only the current version supports the latest AIDL file format. Search, therefore, e.g. on the manufacturer website after an available Android Studio update.
To make sure that your AIDL file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .AIDL file online - secure, fast, and no downloads needed.