Clean Your Documents – Detect and Erase Invisible AI Watermarks

Upload Your Document

Drag and drop a PDF, Word, or plain text file. The system analyzes the content, detects hidden watermarks, and prepares a clean version for you.

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Clean Your Documents – Detect and Erase Invisible AI Watermarks

Upload a PDF, DOCX, or plain text file. Our AI scans for hidden watermarks, rewrites the text, and removes all metadata in seconds.

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How Unwatermark Works

1. Upload Your Document

Choose a file from your computer or cloud storage. Supported formats include PDF, Word, and plain text.

2. AI Scans for Invisible Watermarks

Advanced models analyze linguistic patterns, hidden tokens, and metadata to locate AI‑generated watermarks.

3. Clean & Paraphrase Content

Detected watermarked sections are rewritten while preserving meaning, style, and formatting.

4. Strip Metadata & Deliver Clean File

All embedded metadata, hidden tags, and provenance data are removed. Download the sanitized document instantly.

FAQs

PDF, DOCX, ODT, TXT, and markdown files are fully supported. Larger PDFs are processed in chunks.
Our models are trained on thousands of watermarked samples, achieving >95% detection accuracy across common AI watermarking techniques.
The AI rewrites only the watermarked portions, preserving the original meaning, tone, and technical accuracy.
Files are processed in memory and deleted immediately after the clean version is generated. No data is retained or used for model training.
All author info, creation timestamps, hidden tags, and any embedded AI provenance data are stripped from the output file.

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Accurate Watermark Detection

Deep neural models identify hidden AI watermarks using linguistic and metadata analysis, outperforming traditional scanners.

Seamless Paraphrasing

Rewrites watermarked text while preserving meaning, style, and citations.

Complete Metadata Stripping

Removes all hidden tags, author info, and provenance data to protect privacy.

Simple, Transparent Pricing

Free Plan

Free
  • Create up to 5 illustrated stories per day without registration or payment.
Choose Free Plan

Premium Plan

$4/month (billed annually)
  • Full access to all Documentize AI applications
  • Extended daily processing limits
  • Priority processing and free support
Choose Premium Plan

Premium Plan

$7/month
  • Full access to Documentize applications
  • More advanced tools and features
  • Extended file processing limits
  • Free support
Choose Premium Plan