If you're looking to Download VideoTag on your Chromebook laptop Then read the following guideline.

Tag your mp4/m4v files with metadata and make your TV/iTunes library look gorgeous on all your devices. Just drag and drop a video file in from the Finder or from the TV app or iTunes and VideoTag will quickly download high quality metadata from themoviedb.org. You can select from alternative titles or search manually if the filename didn't help you find the right information. Then just hit "Tag it!" and you're done. It's that easy. Enjoy!