Download //free\\ Uber-apk-signer.jar (UHD 2025)

When downloading uber-apk-signer.jar, make sure to verify the file's integrity and authenticity to ensure you're getting a safe and reliable version.

To deploy or modify Android applications manually, understanding how to is essential for streamlining your workflow.

For production apps, you need to use your specific keystore. You must provide the keystore path, alias, and passwords.

If you only want to check whether an existing APK is valid without modifying it, use the --onlyVerify flag. download uber-apk-signer.jar

: After applying a signature, the tool automatically checks the integrity and alignment of the file to guarantee it can install smoothly on a device. Download and Prerequisites

OWASP’s Mobile Application Security Testing Guide (MASTG) officially recognizes this tool for its efficiency and reliability in handling APK signatures.

java -jar uber-apk-signer.jar sign --apk /path/to/your/apk --key /path/to/your/key.jks --alias your_alias When downloading uber-apk-signer

: Access to Command Prompt (Windows), Terminal (macOS), or Bash/Zsh (Linux). How to Use Uber APK Signer

The terminal blinked. Lines of white text began to scroll rapidly—verifying entries, aligning files, and finally, the glorious green text: .

Because it runs entirely from the command line, this tool is perfect for CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions) or simple shell scripts. You must provide the keystore path, alias, and passwords

java -jar uber-apk-signer.jar --apks app.apk --ks 1=release.jks 2=debug.keystore --ksAlias 1=prod 2=androiddebugkey

This command will process every APK found in the apk_folder directory (non-recursively) as well as another.apk from a different location.

Optimizes your APK for the Android OS automatically during the signing process.

Once downloaded, place the file in a directory of your choice, such as your project's build/ folder or a system-wide tools/ folder.