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Privacy policy

Last updated: 2 November 2026

Short version: a text you only check is deleted after 24 hours. A text you pay to fix is kept for 30 days so you can download the result, then deleted. Neither ever goes to OpenAI, Anthropic, Google or any AI detector.

1. Who is responsible

Unmark-AI (unmarkclaude.io). Questions about your data, including deletion: hello@unmarkclaude.io. Payment data is handled by lava.top, not by us; see section 4.

2. What we collect

  • The text or file you check, and the report we make from it.
  • If you order a fix, the fixed text and file as well.
  • Your email address, but only if you pay: it is where the link to your result is sent. Before payment we ask for nothing.
  • Basic request data: IP address and timestamps, used to enforce the free check limits and to keep robots out.
  • Payment records: what was paid, when, and for which order. Card details never reach us; they go to the payment provider.
  • Anything you paste into the AI watermark tester at /check: 30 days later all that is left is the outcome of that check and, if you named it, the tool you ran the sample through, with no text and no IP attached.
  • Comments you post: the name and text you type are meant for publication and appear on the page if the comment passes review. Alongside them we record the IP address and browser signature of the submission; those exist only to keep robots out, are never published, and are erased as soon as the comment is reviewed, and within 14 days of posting in any case. A published comment stays until you ask us to remove it at hello@unmarkclaude.io.

There are no accounts and no passwords on this service, so there is nothing to leak.

3. How long we keep it

A check is deleted 24 hours after you send it: the text, the file and the report. That gives you time to come back to the report by its link and order a fix. An order you start but don't pay for is deleted on the same clock.

A paid order is kept for 30 days and then deleted: your text, the fixed text and the file. That window exists so the link in your email still works if you close the tab. After it passes, the result page stops working, because there is nothing behind it any more.

Payment records are kept longer, because tax and dispute rules require it. That record is the transaction, not your text.

Orders placed before 2 November 2026. If you paid for watermark removal before 2 November 2026, your order stays under the policy that was in force then: an anonymised before-and-after pair from it is kept so that, on the day Anthropic opens a public detector, we can run our archive through it and publish what we find. You can still ask us to delete your pair at hello@unmarkclaude.io, within 30 days of your order. New orders are not added to that archive.

4. Who else touches your text

Your text never goes to OpenAI, Anthropic or Google, and never to any AI detector. The check runs on our own server. The fix runs on an open-weight model, reached through OpenRouter and only at hosts that keep nothing once they answer.

Who What for What they see
OpenRouter Passing the fix to the model host The parts of your text being fixed
DeepInfra, Fireworks, Parasail and Crusoe Running the open-weight model that fixes the text, with zero data retention The parts of your text being fixed. Nothing is kept once they answer.
lava.top Taking payment Your payment details and email. Not your text.
Resend Sending you the link to your result Your email address. Not your text.

5. Cookies and analytics

Since 26 August 2026 this site runs two visitor counters: Google Analytics 4 and Yandex Metrica. They tell us how many people arrive and how far they get: a page viewed, a text sent for a check, a report shown with its score out of 10, a refusal and its reason, checkout opened.

What they receive: the address of the page you are on, the page you came from, your IP address, your browser and device, and cookies of their own that recognise a returning visit. Yandex Metrica also records the session itself: clicks, scrolling, mouse movement and the pages as they looked on your screen.

What they do not receive is your text. The field you paste into and the blocks your report and result appear in are marked with the counters' own do-not-record attributes, so their contents stay out of the session recording. The counted steps carry no part of it either: a length in words, whether it was text or a file, the score, and the order number. Any content blocker stops both counters, and nothing on this site depends on them working.

There are no advertising cookies here and no cross-site advertising audiences. If that ever changes, this section changes with it on the same day.

6. Your rights

You can ask what we hold about you, ask for it to be deleted, or ask for a copy, by writing to hello@unmarkclaude.io. Since we hold almost nothing and hold it briefly, these requests are usually answered the same day.

7. Security

Traffic runs over HTTPS. Your text is stored on our own server, not in a public bucket. Access is limited to the operator. We will not pretend to certifications we do not have.

8. Changes

If this policy changes, the date at the top changes with it. A text already sent stays under the policy that was in force when you sent it.

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Research

AI watermark tester Watermark removers, ranked Open-source watermark removers The Claude watermark in code AI watermarks in text

Claude is a trademark of Anthropic PBC. Unmark-AI is not affiliated with Anthropic, OpenAI or Google.