Free Online PDF Metadata Editor — View, Edit, Strip PDF Properties

Overview: Edit or Wipe PDF Metadata & Author Tags for Privacy

Inspect, edit, or completely wipe document titles, author names, software tags, and timestamps from PDF files. All computations and data processing are executed 100% locally on your device using client-side WebAssembly, HTML5 Canvas, and modern Web APIs without uploading files to any external server.

Supported Formats

PDF Metadata Editor & Sanitizer supports the following file formats:

  • .pdf — client-side processing support.

How to Use PDF Metadata Editor & Sanitizer in Browser

  1. Upload PDF: Select any PDF to inspect Title, Author, Subject, Keywords, and Creator tags.
  2. Edit or Sanitize: Modify properties directly or click 'Sanitize & Wipe All Metadata' to erase all tags.
  3. Save: Download the clean PDF with updated properties.

Key Features & Privacy Protections

  • 100% Client-Side Privacy: Zero cloud upload. Your documents, photos, and files never leave your local browser sandbox.
  • Zero Installation: Runs instantly in Chrome, Safari, Firefox, Edge, Android, and iOS browsers.
  • Free Forever: No sign-up, no subscriptions, no ads, and no file size limits.

Frequently Asked Questions (FAQ)

What hidden metadata does this tool detect and edit?

It inspects and modifies Document Title, Author, Subject, Keywords, Creator application, PDF Producer software, and creation/modification timestamps.

Why should I sanitize PDF metadata before sharing files?

PDFs often secretly embed internal usernames, software license IDs, computer network paths, and editing history. Sanitizing prevents accidental privacy leaks.

Does wiping metadata alter the document's text or layout?

No. Sanitizing only modifies the document's metadata dictionary and XMP headers; all visible text, vector drawings, and images remain completely untouched.

Is there any charge or account required to use this tool?

No, it is 100% free, unlimited, and requires zero registration or software downloads.

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PDF Metadata Editor & Sanitizer

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v1.0.0Free · pdf-libPDF Tools

Free Online PDF Metadata Editor — View, Edit, Strip PDF Properties

Edit or Wipe PDF Metadata & Author Tags for Privacy. Inspect, edit, or completely wipe document titles, author names, software tags, and timestamps from PDF files.

What is PDF Metadata and what does it do?

The PDF Metadata Editor is a privacy-first utility that allows users to view, edit, or completely sanitize embedded metadata fields such as Author, Title, Subject, Keywords, Creator, and Producer from PDF files.

Every PDF document created by desktop software, word processors, or virtual printers embeds hidden metadata that can expose your full name, operating system, organizational details, and internal file paths. This tool lets you scrub or update this hidden data in your browser.

  • Inspect hidden document metadata including Title, Author, Subject, Keywords, Creator, and Creation/Modification timestamps.
  • Edit metadata properties to match professional publishing standards or academic submission guidelines.
  • One-click 'Sanitize All Metadata' button to strip all identifying authorship signatures and software traces.
  • Preserves vector graphics, text layers, embedded images, and page layouts intact without re-encoding quality loss.
  • 100% in-browser manipulation ensuring zero transmission of confidential internal metadata to third parties.

How does PDF Metadata work?

pdf-lib opens the document structure and reads the root Info dictionary and XMP metadata streams. Values are parsed into interactive form inputs.

When modifications or sanitization are submitted, the Info dictionary keys are overwritten or nullified, XMP metadata streams are refreshed or stripped, and the updated PDF binary is generated for download.

100% private: all processing happens locally in your browser using client-side WebAssembly, HTML5 Canvas, and modern Web APIs. Your files are never uploaded to any server.

Who needs PDF Metadata?

Academic Authors & Peer Reviewers

Anonymize research papers for double-blind peer reviews by removing personal author names and institutional affiliations.

Security Analysts & Whistleblowers

Scrub digital fingerprints, software versions, and internal workstation details from documents before public disclosure.

Digital Publishers & Marketers

Optimize PDF SEO by populating accurate titles, subjects, and targeted metadata keywords for search engine indexing.

Legal Teams & Paralegals

Eliminate embarrassing internal draft histories and metadata tracking before filing court exhibits or producing discovery.

Supported file formats

PDF Metadata Editor & Sanitizer processes the following file extensions and data formats directly in your browser:

.pdf

How to use PDF Metadata — step by step

  1. 1

    Upload PDF

    Select any PDF to inspect Title, Author, Subject, Keywords, and Creator tags.

  2. 2

    Edit or Sanitize

    Modify properties directly or click 'Sanitize & Wipe All Metadata' to erase all tags.

  3. 3

    Save

    Download the clean PDF with updated properties.

Frequently asked questions

What hidden metadata does this tool detect and edit?

It inspects and modifies Document Title, Author, Subject, Keywords, Creator application, PDF Producer software, and creation/modification timestamps.

Why should I sanitize PDF metadata before sharing files?

PDFs often secretly embed internal usernames, software license IDs, computer network paths, and editing history. Sanitizing prevents accidental privacy leaks.

Does wiping metadata alter the document's text or layout?

No. Sanitizing only modifies the document's metadata dictionary and XMP headers; all visible text, vector drawings, and images remain completely untouched.

Is there any charge or account required to use this tool?

No, it is 100% free, unlimited, and requires zero registration or software downloads.

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