Local checker
Free
Ongoing unlimited checking; cleaning terms conflict
- Included scope
- HTML/Unicode/style counts; inspect actual cleanup behavior
Text artifact checking and rewriting · Official-source review 2026-10-09
Claude Watermark is an independent browser-based text artifact checker with a paid rewrite engine. It counts HTML markers and invisible Unicode, offers cleanup and resamples wording; it is not affiliated with Anthropic.
Relevant to writers inspecting copy-paste markup and reviewing phrasing changes while preserving meaning.
Starter $9/month adds 200 credits, Pro $19 adds 600 and Max $49 adds 2,000; one credit covers 500 words. Credits reportedly stack without expiry and failed jobs are not charged. Homepage conflicts with pricing by saying cleaning costs credits; confirm actual operation before purchase. Browser checks remain local, but rewriting sends text to a model provider. Model-watermark claims on the site were not independently corroborated; character/style checks cannot establish AI authorship or guarantee detector outcomes. Rewrites need citation and meaning review.
Use fixture text containing known markup and invisible characters, compare exact cleanup changes and review any rewrite for meaning and citations without treating a detector score as proof.
Starter $9/month adds 200 credits, Pro $19 adds 600 and Max $49 adds 2,000; one credit covers 500 words. Credits reportedly stack without expiry and failed jobs are not charged. Homepage conflicts with pricing by saying cleaning costs credits; confirm actual operation before purchase. Browser checks remain local, but rewriting sends text to a model provider. Model-watermark claims on the site were not independently corroborated; character/style checks cannot establish AI authorship or guarantee detector outcomes. Rewrites need citation and meaning review.
Official product evidence reviewed on 2026-10-09; product artwork inspected visually. No hands-on vendor application test was performed. Application performance, security claims and plan enforcement were not independently tested.
What it can do
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Product workflow | Claude Watermark is an independent browser-based text artifact checker with a paid rewrite engine. It counts HTML markers and invisible Unicode, offers cleanup and resamples wording; it is not affiliated with Anthropic. | Facts sourced | 2026-10-09 |
| Pricing and restrictions | Starter $9/month adds 200 credits, Pro $19 adds 600 and Max $49 adds 2,000; one credit covers 500 words. Credits reportedly stack without expiry and failed jobs are not charged. Homepage conflicts with pricing by saying cleaning costs credits; confirm actual operation before purchase. Browser checks remain local, but rewriting sends text to a model provider. Model-watermark claims on the site were not independently corroborated; character/style checks cannot establish AI authorship or guarantee detector outcomes. Rewrites need citation and meaning review. | Facts sourced | 2026-10-09 |
Understand the total cost
Local checker
Free
Ongoing unlimited checking; cleaning terms conflict
Starter
$9.00 /mo
Monthly; credits advertised non-expiring
Pro
$19.00 /mo
Monthly; credits advertised non-expiring
Max
$49.00 /mo
Monthly; credits advertised non-expiring
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Explore toolThe practical questions
No. This listing is based on dated official-source evidence and a visual artwork check. Unconfirmed costs and restrictions are identified explicitly.
Claude Watermark is an independent browser-based text artifact checker with a paid rewrite engine. It counts HTML markers and invisible Unicode, offers cleanup and resamples wording; it is not affiliated with Anthropic.
Pricing states checking and cleaning are free, unlimited and account-free; paid credits apply to the rewrite engine.. This record lists ongoing free access; check the plan limits before starting.
The listed monthly price is $9.00 USD at monthly billing. See the plan cards for entitlements, billing commitments and seat minimums.
Not verified: a public developer API was not established.. API access and subscription access may have different terms; consult the linked sources.
Starter $9/month adds 200 credits, Pro $19 adds 600 and Max $49 adds 2,000; one credit covers 500 words. Credits reportedly stack without expiry and failed jobs are not charged. Homepage conflicts with pricing by saying cleaning costs credits; confirm actual operation before purchase. Browser checks remain local, but rewriting sends text to a model provider. Model-watermark claims on the site were not independently corroborated; character/style checks cannot establish AI authorship or guarantee detector outcomes. Rewrites need citation and meaning review.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Current official product source read individually; product artwork inspected visually.
Read original source ↗Official pricing and billing restrictions read individually.
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.