A backlink list by itself tells you almost nothing. What matters is the shape of the profile: how many distinct domains link to you, whether the follow and nofollow balance looks natural, and which anchor texts repeat. The free Backlink Profile Analyzer reads that shape from a plain list you paste in.
Export your backlinks from Search Console or any SEO tool, then paste one link per line in the format URL | anchor text | follow. The anchor and follow parts are optional. The tool counts unique domains, calculates your follow percentage, and ranks your top domains and anchor texts.
Run the analyzer after every link building campaign and every few months as a health check. Spammy patterns are easy to fix early and painful to explain later.