Free AI Text Cleaner
AI Watermark Eraser for Content Creators
Strip hidden characters, em dashes, and AI artifacts from blog posts and articles before publishing — protect SEO rankings and readability, free, browser-based.
Paste Your Text
Supports text from ChatGPT, Claude, and other AI assistants
Your text is processed locally. We do not store your data.
Upload Files
Drag & drop files or
Supported: .txt, .docx, .pdf (max 10MB, up to 10 files)
Cleaning Settings
Original Text
0 charactersCleaned Text
Your text is processed locally. We do not store your data.
Content creators who use AI writing tools to accelerate drafting risk publishing invisible technical debt: non-breaking spaces that break CMS word-wrap, em dashes that corrupt RSS feeds and email newsletters, and zero-width characters that throw off keyword density calculations in SEO tools. Clean every draft before it goes live with one paste.
AI artifacts that harm published content
These encoding problems appear in AI drafts and survive copy-paste into WordPress, Webflow, Ghost, Notion, and every other CMS.
Em dashes and en dashes
Every major AI writer prefers typographic dashes over double-hyphens. These break RSS feeds, cause encoding errors in some CMS databases, and are a known AI-writing signal that affects search ranking perception.
Non-breaking spaces
AI tools insert non-breaking spaces after headlines and before punctuation. In HTML, these render as which breaks word-wrap and inflates hidden character counts in SEO tools.
Zero-width characters
Invisible characters inserted between words that affect keyword density calculations, cause misaligned word counts between CMS editors and published output, and trigger AI-content flags in SEO audit tools.
Curly quotes
Straight quotes are required in JSON contexts, shortcodes, and template variables. AI-generated curly quotes silently break these elements when pasted into CMS editors.
How to clean a blog post draft in 3 steps
- 1
Paste or upload
Paste your AI draft or upload a .txt or .docx file directly from your writing tool.
- 2
Full artifact scan
Hidden Unicode, typographic dashes, and non-standard whitespace are identified and removed in your browser — no upload required.
- 3
Publish with confidence
Diff view confirms every change. Copy the clean text to your CMS and publish without encoding surprises.
Before & after content creator cleanup
Before — contains hidden markers
AI—generated content is reshaping content marketing…
After — clean, standard Unicode
AI--generated content is reshaping content marketing...
Frequently asked questions about Content Creators watermarks
- Will this affect my SEO?
- Removing hidden characters improves technical SEO by ensuring accurate word counts, correct keyword density, and clean HTML output. It can only help, not hurt.
- My CMS auto-converts punctuation anyway — do I still need this?
- Many CMS editors convert straight quotes to curly quotes on input. But zero-width characters and non-breaking spaces pass through unchecked. Clean at the source to be certain.
- Does this work for video scripts and social media copy too?
- Yes. The tool works on any plain text regardless of its intended destination — blog posts, scripts, social copy, email newsletters, or ad copy.
- Is my draft content private?
- Completely. All processing is browser-local. No content is uploaded, logged, or stored anywhere.
- Can I clean multiple articles at once?
- Yes. Upload up to 10 files in one batch and download the cleaned versions together.
Clean text from other AI tools
Universal Sanitizer
The most comprehensive cleaner — removes all AI artifact categories in one pass.
Special Chars Remover
Normalize em dashes, curly quotes, and all typographic punctuation to ASCII.
ChatGPT Remover
Full cleaner for ChatGPT drafts including zero-width characters and HTML attributes.
Or return to the main watermark eraser to clean text from any AI tool.