100% In-Browser PDF Privacy

Remove Metadata from PDF Online

Privately inspect and strip author names, document titles, creation dates, software signatures, and XMP streams from PDF files directly in your web browser. Zero server uploads.

Drop your PDF document here

Drag & drop a .pdf file, or click to browse files from your device.

PDF format up to 50 MB100% In-Browser Privacy

What Metadata Is Hidden in Your PDF Documents?

Every time you export a document from Microsoft Word, Google Docs, Apple Pages, Adobe InDesign, or LaTeX, the rendering software embeds invisible technical properties into the PDF binary. When you share the file, recipients can inspect these hidden tags to reveal details you may never intended to disclose:

Author & Personal Signatures

Full name, system login account, corporate email address, or operating system user profile of whoever created or last saved the document.

Creation & Modification Dates

Exact timestamps down to the second indicating when the original draft was composed, how long it was edited, and when the PDF was compiled.

Software, OS & Version Fingerprints

Application name and build versions (e.g., "macOS 15.2 Quartz PDFContext", "Acrobat Distiller 21.0"), exposing internal tooling.

Embedded XMP Metadata Streams

Adobe Extensible Metadata Platform XML packets stored in the document catalog, containing synchronized Dublin Core schemas and editing histories.

Job Applications & Resumes

Ensure resumes and portfolios do not leak previous employer templates, internal file system paths, or personal user names to hiring managers.

Double-Blind Peer Review

Academic journals and conferences require complete anonymization of manuscripts. Strip author tags and institution identifiers to prevent accidental desk rejects.

Legal & Business Disclosures

Clean contract proposals, public bids, and regulatory filings to ensure competitive internal editing timelines and software environments remain confidential.

Privacy Architecture

How Our Client-Side PDF Cleaner Operates

1

Local RAM Load

Your PDF is read into browser memory as a Uint8Array byte stream. No data packets leave your device.

2

Header Analysis

The parser inspects the trailer Info dictionary and Catalog /Metadata reference to map existing tags.

3

Binary Purging

Target dictionary keys and XMP streams are unlinked and purged. Library self-attribution is suppressed.

4

Two-Pass Verify

The generated byte array is independently rescanned to verify zero residual metadata before download.

100% Visual & Formatting Preservation

Unlike primitive web tools that convert PDFs into raster images or re-render pages via a headless browser—causing blurry text and massive file inflation—our tool performs pure container-level metadata manipulation:

  • Text remains crisp, selectable, and searchable
  • Embedded fonts and vector line-art stay intact
  • Page count, dimensions, and margins never change
  • Zero image compression or quality degradation
Important Technical Scope & Limitations

This utility is engineered specifically for stripping document metadata properties (Info dictionary keys and XMP streams). It does not sanitize visual page streams, remove black highlight boxes placed over confidential text, or eliminate pixel-level steganography. For true document redaction, sensitive text must be securely expunged at the vector stream level before distribution.

Frequently Asked Questions

Is it safe to clean sensitive or confidential PDF documents here?

Yes. Your PDF files are processed entirely in your web browser using client-side JavaScript and Typed Arrays. Documents are never uploaded to our servers, third-party clouds, or external APIs. You can verify this independently in your browser's Developer Tools Network tab.

Does removing PDF metadata alter page layout, text, or quality?

No. Our cleaner performs lossless container-level metadata purging. It modifies only the Document Information Dictionary and Catalog /Metadata XMP streams. Text characters, vector graphics, embedded photos, fonts, page counts, and formatting remain 100% untouched and uncompressed.

Can I remove author names without stripping the document title?

Yes. Our PDF tool provides a Selective Custom mode that lets you choose exactly which attributes to delete—such as Author, Title/Subject, Creator application, Timestamps, or XMP streams—or perform a complete one-click purge.

Can this tool unmask or remove black-box text redactions in PDFs?

No. Metadata cleaning specifically purges descriptive file headers and XML streams. It does not sanitize visual content streams or remove black highlight boxes placed over confidential text. For true redaction, sensitive text must be securely sanitized using dedicated PDF redaction software before publishing.

What happens if my PDF document is password-protected or encrypted?

Encrypted and password-protected PDF files cannot be decrypted or rewritten locally in the browser without the correct cryptographic keys. If you upload an encrypted PDF, the tool will notify you and advise removing the password in your PDF reader prior to metadata cleaning.

In-Depth Technical Guide

How to Remove Metadata From a PDF File

Learn how Info dictionaries and XMP streams work under the hood, and how to verify sanitization across Windows, macOS, and Linux.

Read Guide