A free, local, in-browser scanner for the invisible Unicode marks and Markdown residue that paste in silently from ChatGPT, Claude or Gemini and quietly break a document nobody can explain why it looks wrong.
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Paste text copied from an AI chat into an email, a CMS or a spreadsheet, and sometimes it just looks off. Spacing that won’t collapse, bullet points that refuse to align, a search that can’t find a word that’s clearly right there on the screen. The usual culprit is invisible: a zero-width space, a soft hyphen, a stray Markdown heading marker, none of it visible on screen, all of it still sitting in the text. AI Text Cleaner’s scanner catches more than 60 hidden Unicode codepoints, strips them, and hands back clean text, entirely inside the browser.
A scan that never leaves your machine
That last part matters for the stated use case. The core tool runs locally, so a draft that’s still sensitive, a contract, an unpublished article, internal notes, never has to leave the device to get cleaned. No upload, no account, no server round-trip for the basic scan. For anyone pasting AI output into something that will eventually be reviewed, printed, or submitted, that local-only guarantee is the actual product, not a footnote about it.
The tool also ships a companion piece worth naming: an AI Text Watermark Checker that scans pasted text for detectable traces before anyone starts editing, plus integrations aimed at Webflow and WordPress so cleaned copy can move straight into a publishing workflow rather than sitting in a scratch document. That combination, check first, clean, then publish, is clearly built around agencies and content teams handling client deliverables rather than a single curious user pasting one paragraph.
Where free formatting stops and paid rewriting starts
Removing invisible characters is a mechanical fix: find the codepoint, delete it, leave the visible words untouched. It can’t do anything about a different kind of trace, the wording itself, the rhythm and phrasing patterns that make a paragraph read as obviously AI-written even after every stray character is gone. That’s where the free tool stops and the Pro tier, credit-based rewriting, picks up, reconstructing sentences at the wording level rather than just scrubbing formatting underneath them.
The pricing is structured around how much of that deeper rewriting someone actually needs in a month. Starter runs $35.94 a year for roughly 20,000 Pro words a month, Professional $59.94 a year for about 42,000, and Advanced $119.94 a year for around 100,000, each tier bundling the rewriting credits together with the watermark-removal and formatting tools rather than selling them separately. The free scanner, meanwhile, stays free and unlimited for the mechanical cleanup, which is the right split: a one-off paste doesn’t need a subscription, but someone publishing AI-assisted drafts every week genuinely uses a different amount of the product than someone fixing a single garbled email.
The honest limits, stated plainly
Nothing here claims to defeat an AI-detection tool, and that distinction is worth taking at face value rather than reading as marketing caution. Stripping zero-width spaces and normalizing curly quotes fixes a document that looks broken for mechanical reasons. It does nothing to the actual pattern of word choice and sentence construction that detection tools, and attentive human readers, are actually responding to. The Pro rewriting tier is the part of the product that touches that layer at all, and even then, the honest claim is reconstruction, not any guarantee about what a detector will conclude afterward.
Author:
Jan Bielik
CEO & Founder of Webiano Digital & Marketing Agency
Sources
- AI Text Cleaner (official site) – the tool itself
- AI Text Cleaner — agentsindex.ai – 60+ hidden Unicode codepoints, Pro rewriting structure, pricing tiers, Webflow/WordPress integration
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This article was prepared with the assistance of artificial intelligence tools. The content underwent expert human review, and Webiano Digital & Marketing Agency assumes editorial responsibility for its final version and publication.
