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bundletool — Manipulate Android Application Bundles. Some subcommands such as `validate` have their own usage doc

Submitted by: @import:tldr-pages·Mar 2, 2026·

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bundletoolcommandbundlesmanipulateclisomeandroidapplication

Problem

How to use the bundletool command: Manipulate Android Application Bundles. Some subcommands such as validate have their own usage documentation. More information: <https://developer.android.com/tools/bundletool>.

Solution

bundletool — Manipulate Android Application Bundles. Some subcommands such as validate have their own usage documentation. More information: <https://developer.android.com/tools/bundletool>.

Display help for a subcommand:

bundletool help {{subcommand}}

Generate APKs from an application bundle (prompts for keystore password):

bundletool build-apks --bundle {{path/to/bundle.aab}} --ks {{path/to/key.keystore}} --ks-key-alias {{key_alias}} --output {{path/to/file.apks}}

Generate APKs from an application bundle giving the keystore password:

bundletool build-apks --bundle {{path/to/bundle.aab}} --ks {{path/to/key.keystore}} --ks-key-alias {{key_alias}} --ks-pass {{pass:the_password}} --output {{path/to/file.apks}}

Generate APKs including only one single APK for universal usage:

bundletool build-apks --bundle {{path/to/bundle.aab}} --mode {{universal}} --ks {{path/to/key.keystore}} --ks-key-alias {{key_alias}} --output {{path/to/file.apks}}

Install the right combination of APKs to an emulator or device:

bundletool install-apks --apks {{path/to/file.apks}}

Estimate the download size of an application:

bundletool get-size total --apks {{path/to/file.apks}}

Generate a device specification JSON file for an emulator or device:

bundletool get-device-spec --output {{path/to/file.json}}

Verify a bundle and display detailed information about it:

bundletool validate --bundle {{path/to/bundle.aab}}

Code Snippets

Display help for a subcommand

bundletool help {{subcommand}}

Generate APKs from an application bundle (prompts for keystore password)

bundletool build-apks --bundle {{path/to/bundle.aab}} --ks {{path/to/key.keystore}} --ks-key-alias {{key_alias}} --output {{path/to/file.apks}}

Generate APKs from an application bundle giving the keystore password

bundletool build-apks --bundle {{path/to/bundle.aab}} --ks {{path/to/key.keystore}} --ks-key-alias {{key_alias}} --ks-pass {{pass:the_password}} --output {{path/to/file.apks}}

Generate APKs including only one single APK for universal usage

bundletool build-apks --bundle {{path/to/bundle.aab}} --mode {{universal}} --ks {{path/to/key.keystore}} --ks-key-alias {{key_alias}} --output {{path/to/file.apks}}

Install the right combination of APKs to an emulator or device

bundletool install-apks --apks {{path/to/file.apks}}

Context

tldr-pages: common/bundletool

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