Remove PDF Metadata Online (Sanitize PDF Instantly)
Strip author, title, XMP, producer, and all traceable metadata. 100% private — files processed in your browser.
- ✔ 100% Browser-Based – Files Never Uploaded
- ✔ No Sign-Up or Email Required
- ✔ Removes ALL Original Metadata + XMP
Click to upload or drag and drop PDF here
Secure & Private — Metadata removal happens on your device
Remove PDF Metadata Completely – No Trace Left Behind
Ever shared a PDF and realized later that your name, software version, or even the original document title was embedded inside? That's metadata—and it can reveal more than you intend. Our sanitizer scrubs every piece of hidden information: author, title, subject, keywords, creator, producer, and the often‑overlooked XMP stream. After processing, your document contains only the visual content—nothing else.
What exactly gets wiped?
- ✅ Title, Author, Subject, Keywords (all cleared)
- ✅ Creator & Producer (replaced with blank entries)
- ✅ Creation & Modification dates → set to January 1, 1970
- ✅ XMP metadata stream (completely deleted, not just hidden)
- ✅ Any custom metadata fields that might have been added by software
⚡ How It Works (Client‑Side Only)
We use the trusted pdf-lib library—but with a twist. Instead of simply saving a new file (which would still include some library‑generated metadata), we deliberately overwrite every metadata field and then purge the XMP dictionary. Everything runs inside your browser; even if the PDF is password‑protected, you enter the password locally and it never travels over the network.
Looking for a reliable way to remove metadata from PDF online without compromising privacy? Our advanced PDF metadata remover helps you clean PDF metadata, delete PDF properties, and remove author from PDF files in seconds. Whether you need to anonymize PDF documents for legal, professional, or personal use, this tool ensures that all hidden data—such as title, subject, keywords, creator, producer, and XMP metadata—is completely erased. Unlike traditional tools, this online PDF metadata cleaner works entirely in your browser, allowing you to strip PDF metadata instantly with zero uploads or data tracking. It’s the fastest and most secure way to remove hidden data from PDF, protect your identity, and share documents with full confidence.
Frequently Asked Questions About PDF Sanitization
1. What does it mean to sanitize a PDF?
Sanitizing a PDF means stripping away all hidden data—metadata, document properties, revision history, and embedded information—while leaving the visible content (text, images, layout) completely intact. It's like removing the digital fingerprints from a document before you share it publicly.
2. Why should I remove metadata from a PDF?
Metadata can unintentionally expose your name, organization, software versions, or even the original filename and editing timeline. For legal filings, anonymous submissions, or competitive proposals, a clean PDF ensures you're not leaking information you didn't mean to share.
3. Is it safe to use an online PDF metadata remover?
It depends on the tool. Many online services upload your file to a server, which creates privacy risks. Our sanitizer is different: it's 100% client‑side. Your PDF never leaves your device, so there's zero chance of a data breach or unauthorized access.
4. Will sanitizing a PDF affect the text or images?
No. The visual content—fonts, images, vector graphics, and page layout—stays exactly the same. Only the hidden metadata dictionary is cleaned. Text remains selectable and searchable, and images retain their original resolution (unless you also compress the file separately).
5. Can I sanitize a password‑protected PDF?
Yes. If your PDF has an open password (the kind that prevents opening the file), you'll be prompted to enter it. That password is used only in your browser to unlock the document; it is never stored or transmitted. Once unlocked, sanitization proceeds normally.
6. Does this tool remove XMP metadata?
Absolutely. XMP (Extensible Metadata Platform) is a common way to embed metadata in PDFs, often used by Adobe apps. Our process explicitly deletes the XMP stream from the document catalog, so no hidden metadata remains.
7. What happens to the "Producer" field after sanitization?
Normally, PDF libraries add a "Producer" entry (e.g., "pdf-lib"). We override that and set it to an empty string. Combined with neutral creation dates, the resulting file reveals nothing about how it was processed.
8. Can I use this for legal or court documents?
Yes. Many courts require that PDFs be stripped of metadata before e‑filing. Our tool gives you a clean, metadata‑free PDF that meets those requirements. Since processing happens locally, you maintain full control and confidentiality.
9. How do I verify that metadata was actually removed?
After downloading the sanitized PDF, you can inspect it using tools like Adobe Acrobat (File > Properties) or free online metadata viewers. You'll see blank fields and a creation date of January 1, 1970—proof that everything was wiped.
10. Is there a file size limit for sanitizing PDFs?
Because processing happens in your browser, the only limit is your device's memory. We've successfully tested files over 500 MB. If you encounter performance issues, try closing other tabs or using a more powerful device.
11. Does this tool work on mobile phones?
Yes. The sanitizer works on any modern browser—Android, iPhone, iPad, Windows, Mac, or Linux. The interface adapts to smaller screens, and the same client‑side security applies.
12. Will sanitizing change the PDF's file size?
Usually the file size changes slightly because we're rewriting the document structure. It might become marginally smaller (since metadata is removed) or slightly larger (due to different compression). The visual content remains unchanged.
13. Can I sanitize multiple PDFs at once?
Currently, the tool processes one file at a time to ensure maximum reliability. For bulk operations, we recommend using desktop software—but for privacy‑sensitive individual documents, this one‑by‑one approach is ideal.
14. Is sanitizing the same as redacting?
No. Redaction permanently removes visible text or images from the document itself. Sanitizing removes hidden metadata, not visible content. For complete privacy, you may need both—redact sensitive content and then sanitize the metadata.
15. Do I need to install any software?
No. This is a web‑based tool that runs entirely in your browser. There's no extension, plugin, or desktop app required. Just visit the page, upload your PDF, and download the sanitized version.
16. Why does the creation date become January 1, 1970?
That's the Unix epoch—a neutral timestamp that signals the date was intentionally reset. It ensures that no actual creation or modification date leaks from your original file, adding an extra layer of privacy.
Designed for professionals, journalists, legal teams, and anyone who values digital privacy. CleanPDF's sanitizer gives you a truly clean document—fast, free, and fully private.