# 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.* Upload PDF, DOCX, or TXT files. AI detects hidden AI watermarks, paraphrases affected text, and strips all metadata, delivering a clean, authentic document instantly. Page: ## 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. ## What Can Unwatermark Do? From academic papers to corporate reports, the AI removes hidden watermarks while keeping the original intent. ## FAQ ### Which document formats can Unwatermark process? PDF, DOCX, ODT, TXT, and markdown files are fully supported. Larger PDFs are processed in chunks. ### How reliably does Unwatermark detect invisible watermarks? Our models are trained on thousands of watermarked samples, achieving >95% detection accuracy across common AI watermarking techniques. ### Will paraphrasing alter the meaning of my text? The AI rewrites only the watermarked portions, preserving the original meaning, tone, and technical accuracy. ### Is my document stored or shared? Files are processed in memory and deleted immediately after the clean version is generated. No data is retained or used for model training. ### What metadata is removed? All author info, creation timestamps, hidden tags, and any embedded AI provenance data are stripped from the output file. Keywords: ai watermark removal, invisible watermark detection, document cleaning AI, paraphrase watermarked text, metadata stripping, pdf watermark cleaner, docx watermark remover, ai text watermark, privacy safe document cleaning, unwatermark tool