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Unmark
Remove AI watermarks (SynthID and Claude)
AI text is now getting watermarked by default: Google's SynthID, and now Claude (to meet the EU AI Act). Unmark removes both kinds of mark: it strips invisible Unicode characters (zero-width spaces, joiners, tag chars, homoglyphs) instantly in your browser, and rewrites the wording to disrupt statistical/SynthID-style watermarks. Everything for free without any login.
Hey! I made Unmark because watermarking AI text just went mainstream 😢. Anthropic announced Claude will watermark its output with a SynthID-style method by default.
Two things it does:
• Invisible characters are detected and stripped in your browser.
• Statistical/SynthID watermarks are removed by rewriting, since they live in word choice, not hidden characters.
About Unmark on Product Hunt
“Remove AI watermarks (SynthID and Claude)”
Unmark was submitted on Product Hunt and earned 7 upvotes and 1 comments, placing #37 on the daily leaderboard. AI text is now getting watermarked by default: Google's SynthID, and now Claude (to meet the EU AI Act). Unmark removes both kinds of mark: it strips invisible Unicode characters (zero-width spaces, joiners, tag chars, homoglyphs) instantly in your browser, and rewrites the wording to disrupt statistical/SynthID-style watermarks. Everything for free without any login.
On the analytics side, Unmark competes within Writing, Developer Tools and Artificial Intelligence — topics that collectively have 1.1M followers on Product Hunt. The dashboard above tracks how Unmark performed against the three products that launched closest to it on the same day.
Who hunted Unmark?
Unmark was hunted by Yanis Miraoui. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Unmark including community comment highlights and product details, visit the product overview.
Yanis Miraoui