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

Re: Toot turns Mastodon posts into images that are suitable for quote posts. Images are accompanied by attribution to the original author and an alternative text. Images created by Re: Toot can also be shared to other social networks and messaging services. To create an image from a Mastodon post, just copy the link the post and open Re: Toot or invoke the app through the Share Sheet. Re: Toot is free to use and all settings can be unlocked through a one-time in-app purchase.