7 Profanity Filters for Developers in 2026 (Perspective API Is Shutting Down)
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If you have ever shipped a signup form, you know the moment. Somebody registers a username you really don't want on your leaderboard, and it's sitting there in the top ten by Friday. So you add a word list. A week later they're back as sh1t, f.u.c.k or with a Greek letter swapped in, and when you tighten the list, somebody from Scunthorpe can't sign up anymore. (Written with AI help; every number here is checked against the source I link.) And if you handed this problem to Google's Perspective