Ranking, 5 September 2026
Claude watermark removers, ranked on one marked text
7 tools that say they take the Claude watermark out of text took the same sample, 992 words carrying a watermark of the class Claude uses, and this is the order they came back in. unmarkclaude.io, our own processing, is first on 5 September 2026: mark not found at 0.8, 3 of 3 facts kept, 92% of the length, 74% of the meaning.
Test a remover yourself. The same sample, our detector on what comes back, the result on this table if you publish it. Take the marked sample
The ranking
| Place | Tool | Mark | Facts kept | Run date |
|---|---|---|---|---|
| 1 | unmarkclaude.io (ours) | 0.8 not found | 3 of 3 | 2026-09-05 |
| 2 | favtutor.com | -1.0 not found | 1 of 3 | 2026-09-05 |
| 3 | guillaumemeyer/watermarks-remover, rewrite layer | -1.1 not found | 1 of 3 | 2026-09-05 |
| 4 | claudewatermark.com | 38.0 still found | 3 of 3 | 2026-09-05 |
| 5 | claudewatermarkremover.app | 38.0 still found | 3 of 3 | 2026-09-05 |
| 6 | gptcleanup.com | 38.0 still found | 3 of 3 | 2026-09-05 |
| 7 | guillaumemeyer/watermarks-remover, character cleaning | 38.0 still found | 3 of 3 | 2026-09-05 |
Order: the mark first (not found, then grey band, then still found), then more facts kept, then length closest to the sample, then meaning kept. Our own row stands under the same rule.