PDF to PDF/A
Convert PDF to PDF/A archival format for long-term preservation and compliance.
PDF Metadata Cleaner
Strip author, dates, software info, and all hidden metadata from PDFs. Free, no signup, up to 200MB.
3 free operations remaining today
Drop your PDF here
Strip author, dates, and hidden metadata — up to 200 MB
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How to Clean PDF Metadata
Smart PDF Lab removes hidden PDF metadata in three steps.
- 1
Upload your PDF.
Drop your PDF or click Browse files to upload documents up to 200MB.
- 2
Smart PDF Lab scans for metadata.
Our tool identifies every author name, timestamp, software signature, and hidden field.
- 3
Download the cleaned PDF.
Save your file with all identifying metadata removed.
Why Clean PDF Metadata With Smart PDF Lab
Smart PDF Lab protects your privacy by stripping the hidden information PDFs carry by default. Every PDF you save records your name, your computer’s username, the software you used, exact creation and modification timestamps, and sometimes the file path on your device. This metadata stays inside the PDF when you email it, upload it, or share it publicly. Use this tool when submitting anonymous documents, sharing files publicly, sending whistleblower materials, distributing legal exhibits, or simply preventing personal data leakage. Files up to 200MB, no signup, no watermark.
Metadata Fields Removed
The cleaner strips every standard PDF metadata field:
- Author name and creator identity — The fields that link the PDF to a person.
- Producer and software signature — Reveals which application created the file.
- Creation and modification dates — Timestamps showing exact times the file was made and last edited.
- Title, subject, and keywords — Fields that may contain identifying information.
- Custom XMP metadata — Extra fields added by Adobe Acrobat or other tools.
- File path information — May include usernames or directory structures from the author’s machine.
- Document ID and revision history — Embedded identifiers and edit history in the PDF structure.
Frequently Asked Questions
What metadata does my PDF contain by default?
Most PDFs include your name, your computer’s username, software signatures, creation and modification timestamps, and sometimes file paths. Some include camera information, edit history, and custom fields added by the source application.
Will cleaning metadata change how my PDF looks?
No. Metadata cleaning only affects hidden information fields. The visible content, formatting, fonts, images, and structure of your PDF remain completely unchanged.
Can metadata be recovered after cleaning?
No. Smart PDF Lab removes metadata permanently from the downloaded file. The cleaned PDF contains no recoverable trace of the original metadata.