APK Signature Checker
APK → Signature Report
Verify Android APK digital signature certificates and v1/v2/v3 signing schemes.
About this tool
About APK Signature Checker
APK Signature Checker is a free, browser-based tool that lets you verify Android APK digital signature certificates and v1/v2/v3 signing schemes. It supports APK → Signature Report. Everything runs locally on your device, so your files are never uploaded to a server. There's no sign-up, no watermark, and no limit — just open APK Signature Checker, add your input, and get results instantly.
How to use APK Signature Checker
1
Upload File
Select any file from your device.
2
Inspect Magic Bytes
Verifies true binary header signature.
Key features
App Verification
Ensure APK build authenticity.
100% Private
APK Signature Checker processes your data locally in the browser. Nothing is uploaded, tracked, or stored u2014 your files never leave your device.
Completely Free
Use APK Signature Checker as much as you want with no fees, no watermarks, and no hidden limits.
No Installation
APK Signature Checker runs in any modern browser. There's nothing to download, install, or configure.
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