How to list all installed packages with Composer?
Use the composer show command to list all installed packages. The specific methods are as follows: 1. Run composer show to display all dependencies in the project and their versions and descriptions; 2. Use composer show --installed to list only installed packages; 3. Add the --name-only parameter to get a concise list of package names and versions; 4. Use --format=table to display package names, versions and descriptions in a table; 5. Add the --global flag to list globally installed packages; 6. You can save the output to a file in combination with redirection, such as composer show --installed > installed-packages.txt, thereby fully recording the installed package information.
To list all installed packages with Composer, you can use the composer show
command. Here's how it works and some useful variations.

Use composer show
to list installed packages
Run this command in your project directory:
composer show
This will display a list of all packages currently installed in your project (both require
and require-dev
), along with their installed versions and package descriptions.

Show only installed packages (not available ones)
By default, composer show
lists everything available in the current lock file. To show only installed packages , use:
composer show --installed
This makes it clear which packages are actually installed in your project.

List packages in a compact format
If you want a simpler, more readable list (just package names and versions), use:
composer show --installed --name-only
Or for a more structured format:
composer show --installed --format=table
This displays the packages in a clean table with name, version, and description.
List globally installed packages
If you want to list packages installed globally (like global tools such as laravel/installer
or phpunit/phpunit
), add the --global
flag:
composer show --global --installed
You can combine it with formatting options too:
composer show --global --installed --format=table
Bonus: Export list to a file
To save the list of installed packages to a file (eg, for documentation or debugging), redirect the output:
composer show --installed > installed-packages.txt
In short:
-
composer show
→ shows all packages in the project -
--installed
→ filters to only installed ones -
--global
→ checks global Composer directory -
--format=table
or--name-only
→ customize output
That's it — no extra tools needed. Just Composer's built-in commands.
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