PDF Metadata Cleaner
Strip author, dates, software info, and all hidden metadata from PDFs. Free, no signup, up to 200MB.
Drop your PDF here
Strip author, dates, and hidden metadata — up to 200 MB
How to Clean PDF Metadata
Smart PDF Lab removes hidden PDF metadata in three steps.
Upload your PDF.
Drop your PDF or click Browse files to upload documents up to 200MB.
Smart PDF Lab scans for metadata.
Our tool identifies every author name, timestamp, software signature, and hidden field.
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:
The fields that link the PDF to a person.
Reveals which application created the file.
Timestamps showing exact times the file was made and last edited.
Fields that may contain identifying information.
Extra fields added by Adobe Acrobat or other tools.
May include usernames or directory structures from the author’s machine.
Embedded identifiers and edit history in the PDF structure.
What metadata does my PDF contain by default?
Will cleaning metadata change how my PDF looks?
Can metadata be recovered after cleaning?
Related tools
PDF to PDF/A
Convert PDF to PDF/A archival format for long-term preservation and compliance.
Open tool →Add Watermark
Stamp a text watermark on every page. Adjustable opacity, rotation, and position.
Open tool →Compress PDF
Reduce PDF file size without losing quality. Choose from lossless, balanced, or maximum compression.
Open tool →