> For the complete documentation index, see [llms.txt](https://docs.earthindex.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.earthindex.ai/advanced/using-compare.md).

# Using "Compare"

When you want to view two different searches side-by-side, you can use Earth Index's **Compare** tool. You might be interested in comparing how a certain region has changed over time, or seeing how two searches differ based on the labels you place. Compare allows you to simultaneously view two different searches, and observe the