Chromebooks are built around the browser, which makes a browser-based PDF tool a natural fit — no Android app layer, no Linux container setup, just a web page.
ChromeOS's Files app can preview PDFs but doesn't offer a native way to combine several into one document. Installing an Android app for this pulls in the Play Store layer unnecessarily, when the same task runs fine as a plain web page.
Ready to try it yourself?
Merge PDFs on your Chromebook →No, it runs entirely as a normal web page in ChromeOS's browser — no Linux container needed.
Yes, if your Chromebook's download location is set to a Drive-synced folder, or you can move the file there afterward from the Files app.