Extract the ZIP file to a folder (e.g., C:\android-sdk ).
zipalign -c -v 4 myapp.apk
Once the Android SDK Build-Tools are downloaded, you can find the executable file hidden within your local app data directory. By default, the path for Android Studio installations is: zipalign download windows
"zipalign is not recognized as an internal or external command"
If you want to force zipalign to overwrite an existing output file, add the -f flag: zipalign -f -v 4 input-unaligned.apk output-aligned.apk Use code with caution. Important: The Correct Order of Operations Extract the ZIP file to a folder (e
Disclaimer: The information above is based on standard Android SDK installation practices as of early 2026. Always refer to official Android documentation for the most recent changes. If you'd like, Share public link
If you haven't already, download the latest version of Android Studio from the official site. Important: The Correct Order of Operations Disclaimer: The
Google Play requires all production APKs to be zip-aligned. Uploading an unaligned APK will result in a rejection error during the submission process. Where to Securely Download Zipalign for Windows
If you do not want the full Android Studio IDE, you can download just the standalone SDK command-line tools from the official Android developer website. Step-by-Step Installation and Setup Guide
Use the modern apksigner tool instead. If you must use jarsigner , run it before you execute the zipalign command. Summary Checklist for Developers Tools Needed 1 Build the unsigned or release APK/AAB Android Studio / Flutter / React Native 2 Run alignment on the application package zipalign -v 4 input.apk aligned.apk 3 Confirm the file structure is correct zipalign -c -v 4 aligned.apk 4 Sign the final package for distribution apksigner
Before downloading the tool, it is important to understand its role in the Android deployment pipeline.