AASA Validator

Validate your Apple App Site Association file to ensure proper iOS deep linking configuration. Check for common issues with file availability, format, and content.

Validate AASA File

Check your Apple App Site Association configuration

Note: You must keep your file in /.well-known/apple-app-site-association path

Validation Results

Results will appear here after validation

Enter a domain above to validate your AASA file

What is an AASA File?

The Apple App Site Association (AASA) file is a JSON file that establishes a secure association between your website and your iOS app. It enables Universal Links, allowing users to seamlessly navigate from your website to your app when installed.

Why Validate Your AASA File?

Proper AASA configuration is critical for iOS deep linking. Common issues include:

  • Incorrect file location or accessibility
  • Wrong content type (must be application/json)
  • Invalid JSON format
  • Missing or malformed applinks configuration
  • Empty or invalid details array

How to Use This Validator

  1. Enter your domain URL (e.g., https://example.com)
  2. Click "Validate AASA" to check the file
  3. Review the validation results and fix any issues
  4. The file should be at: https://yourdomain.com/.well-known/apple-app-site-association