Download Uber-apk-signer.jar May 2026

uber-apk-signer.jar is a Java-based tool designed to sign APK files, which are the package files used by Android to distribute and install applications. The tool allows you to sign APKs with a custom keystore, making it an essential utility for developers who need to test or distribute their apps. The "uber" prefix in its name indicates that it's a comprehensive and powerful version of the standard APK signing tool.

java -jar uber-apk-signer.jar sign --ks your_keystore.jks --ks-pass your_keystore_password --alias your_alias --apks your_apk_file.apk download uber-apk-signer.jar

java -jar uber-apk-signer.jar verify --apks your_signed_apk_file.apk uber-apk-signer