Undersheet

An app to see what’s underneath a website's stylesheet

Undersheet is a free Mac app for everyday website owners and web developers. See the content and structure beneath your website’s visual design.

Explore the original HTML: the text, headings, links, images, metadata and structured data that search engines, bots, crawlers and LLMs have to work with. Make more informed SEO and AEO choices by seeing your website from a computer’s point of view.

Beta Free to use. Still taking shape.

Download for Mac

Version 0.1.5 macOS 13+ Apple silicon & Intel ZIP, 6.5 MB

Unzip, then move Undersheet to Applications.

Coming soon to the Mac App Store.
More features are on the way.