File Optimizer

File Optimizer

by Speed Boostr

Minify CSS, JavaScript, and Liquid files.

5.0 of 5 stars(1 review)

Minify your files with ease

Reduce the size of your JavaScript, Liquid, and CSS asset files for quicker load times.

No dev experience required

Anybody can minify their files with the press of a button.

Revert your changes any time

You can revert your minified files to make edits or fixes before minifying them again.

About File Optimizer

About File Optimizer

File Optimizer gives you the opportunity to optimize the theme assets of your store without any developer experience or knowledge required.

Who is this app for?

  • If you want to minify CSS, JS, or Liquid files
  • If you're getting warnings in various analysis tools for unminified files
  • If you want a quick and easy way to minify theme assets

How it works

Visit the File Optimizer app, choose the theme that you'd like to minify files in, and click on the "Minify" button.

If you need to revert your changes cause you're making edits OR your site doesn't work due to the minifications, press "Revert".

Free installation

The app has a free trial that allows you to minify one file for free.

If you need help installing the app or making it work, contact us! We've got you covered.

Liquid Minification

Liquid JavaScript files have long been an issue for minification. Our File Optimizer is able to minify your Liquid files without breaking their functionality.

Rockstar Support

We're a team of Shopify developers with experience building apps and customizing themes. If you ever need help, give us a shout!

Media gallery



Free to install

$24.99 one-time fee to upgrade to Unlimited access

5.0 of 5 stars

The overall rating reflects the current state of the app. It accounts for all app reviews but prioritizes the most recent ones.
  • 5 of 5 stars
    100% of ratings are 5 stars
  • 4 of 5 stars
    0% of ratings are 4 stars
  • 3 of 5 stars
    0% of ratings are 3 stars
  • 2 of 5 stars
    0% of ratings are 2 stars
  • 1 of 5 stars
    0% of ratings are 1 stars

Most recent reviews


I Installed the app and there was a problem making it work. The team answer fast and solved the problem. Now I have my assets minify! Thanks Chris for your help and all the team!