APK Integrity & Signature Verification
Learn how to verify the cryptographic signatures (v1-v4) and ensure your APK hasn't been tampered with.
Read GuideConvert XAPK & Sign APK in seconds
The all-in-one Android toolkit. Fast, free, and no root required.
or click to select file
Supports: .apk, .xapk, .apkm, .apks
Max file size: 400MB
or click to select file
Supports: .apk
Max file size: 400MB
or click to select file
Supports: .xapk, .apkm, .apks, or multiple .apk splits
Max file size: 400MB
Convert XAPK, APKM, APKS files to standard APK instantly. Supports files up to 400MB.
Files are processed on your local server. No data is shared with third parties.
Sign your APKs with custom keystores easily online. Fix "App not installed" errors.
Drag and drop your .xapk file into the box above.
Our server extracts and merges the OBB/Split APKs into a single installable APK.
Download the converted APK and install it on your Android device directly.
XAPK is a file format used to distribute Android apps. It contains the standard APK file plus OBB data (graphics, media files) or split APKs, which are often required for large games like PUBG or Genshin Impact.
This often happens if the APK is not signed or incompatible. Use our Sign APK tool to re-sign the application with a valid certificate, or convert the XAPK properly using this tool.
Use the main conversion page for XAPK, APKM, APKS, and split APK workflows:
Use our native XAPK Installer app to install .xapk, .apkm, .apks and split APK packages directly on your phone.
If direct APK is unavailable, the download button opens the latest GitHub release.
Report bugs, request features, or hire us for App/Web Development:
Core tools and guides remain free. If this site helps your workflow, optional support keeps maintenance and hosting sustainable.
TP9yApwA7XBBSgRKmJyW3N7LMzAaAAdawR
Not required for using converter, signer, or troubleshooting guides.
Deep dives into Android package management, security verification, and expert fixes for common installation errors.
Learn how to verify the cryptographic signatures (v1-v4) and ensure your APK hasn't been tampered with.
Read GuideStep-by-step fix for "Download failed because you may not have purchased this app" and manual OBB placement.
Read Guide →The ultimate index of Android Package Manager error codes (-2, -25, -113) and their resolutions.
Read Cheat Sheet →Technical overview of Android App Bundles, Dynamic Delivery, and how configuration-specific splits work.
Read Guide →How to use ADB to bypass installation blocks for older applications designed for legacy SDK versions.
Read Guide →Understanding "Unsafe App Blocked" warnings and how to safely manage security alerts on your device.
Read Guide →Looking for more expert articles?