Scrub your documents of hidden tracking data
Clean authors, dates, software details, and edit history from your PDFs before sharing.
Drag & Drop PDF to Sanitize
Deep metadata cleaning, processed locally
Why Scrub your documents of hidden tracking data with OncePDF?
The Hidden Fingerprints on Your PDF Files
Did you know that every time you create, edit, or even just save a PDF, invisible data gets permanently attached to the file? It’s true. These hidden "fingerprints"—known as metadata—can reveal a surprising amount of information. We're talking about the exact software you used, the make and model of your computer or scanner, timestamps of every edit, and often even your full name or company ID. Just looking at it, the document might appear perfectly clean, but underneath the surface, there's a detailed history attached.
When you share sensitive files like legal contracts, medical reports, or anonymous submissions, the last thing you want is for someone to snoop through your metadata. You've got this handled with our PDF Sanitizer. It acts like a digital eraser, meticulously stripping away all the hidden trackers, author dictionaries, and XMP streams. But the real highlight? We do this with incredible respect for your privacy. OncePDF runs entirely in your local browser, meaning we never upload your files to our servers. Your documents are sanitized locally and instantly. If you need to archive your PDF for long-term secure storage afterward, we've got you covered there, too.
How to Scrub Your Documents
- Upload safely: Drag your PDF into the designated area or browse your device to select it.
- Run the audit: Watch our system perform an instant, client-side audit to detect hidden metadata tags.
- Execute the wipe: Click "Perform Surgical Scrub" to safely erase the identified metadata streams.
- Download anonymously: Save the newly sanitized, untrackable PDF back to your device.
What we permanently wipe:
- Author, Creator, and Producer Tags
- Software & OS Versions
- Creation & Last Modified Timestamps
- Hidden XMP Metadata Streams
- Revision History and UUIDs
Total Anonymity Without the Wait
True Anonymity
We sever the link between your identity and the document, making it safe to share publicly.
Preserves Formatting
The visible content—like text, images, and fonts—remains completely untouched and pristine.
Zero Uploads
Because we process the files in your browser, the sanitization happens practically instantly.
Why Document Hygiene Matters
In today's digital landscape, oversharing is easier than ever. Most people wouldn't dream of handing out their personal hardware details or editing habits, yet they routinely email PDFs that broadcast exactly that. By adopting a good document hygiene workflow, you protect yourself and your organization from accidental data leaks. Our engine meticulously reads the file structure, identifies metadata objects hidden deep within the code, and neutralizes them without damaging the file integrity. It's the kind of professional-grade security that used to require specialized IT tools, now available instantly in your browser.
Once your PDF is thoroughly sanitized and ready for the world, you might still want to optimize it before hitting send. Since metadata stripping can sometimes leave the overall file structure intact, consider running your anonymous file through our PDF compression tool to shrink it down for faster email delivery. Alternatively, if you're dealing with multiple sanitized documents, you can use our PDF organizer to merge them into a single, clean portfolio. Fast, easy, and undeniably secure.