[<span class="application">GtkHash</span>](https://github.com/tristanheaven/gtkhash) allows you to calculate [[!wikipedia checksum desc="checksums"]]. Checksums can be useful to verify the integrity of a file, for example, if you downloaded it from the Internet.
In the <span class="guilabel">Hash Function</span> column of the <span class="guilabel">Digests</span> tabbed section, select the check boxes corresponding to the checksums that you want to calculate.