PDF Properties & Privacy Sanitizer

Edit PDF Metadata Online Free

View and update common PDF document properties, including title, author, subject, keywords, creator, producer and dates. You can also remove standard Info properties and the catalog-level XMP metadata stream before downloading a cleaned copy.

Select a PDF file to edit metadata

or drag and drop your PDF here (maximum 100 MB and 1,500 pages)

PDF editing runs in your browser
QUICK & EASY TUTORIAL

How to View & Edit PDF Metadata in 3 Simple Steps

Process and convert your documents in seconds without downloading third-party software or creating an account.

01
STEP 01

Upload Your File

Upload any PDF document to inspect its embedded document properties.

Browser-based PDF processing
02
STEP 02

Customize & Configure

Edit common PDF Info properties or use Quick Clean to remove standard properties and the catalog-level XMP metadata stream.

Precise controls • Live preview
03
STEP 03

Process & Download

Click 'Save PDF Properties'. Download the updated PDF and check the result in a PDF reader.

Download the updated PDF copy
TRUST & RELIABILITY

Why Users Prefer Our View & Edit PDF Metadata

A straightforward way to inspect and update common PDF document properties without changing the visible page design intentionally.

BROWSER PROCESSING

Browser-Based Processing

The selected PDF is read and modified in this browser tab. PDF.js and pdf-lib are loaded from third-party CDNs, and normal website resource requests may still occur.

NO QUEUES

Efficient Browser Processing

The tool reads the PDF in your browser and uses pdf-lib to update document properties. Processing time depends on file size, document structure and your device.

STUDIO FIDELITY

Protect Anonymity & Privacy

Review and remove common PDF document properties and the catalog-level XMP metadata stream before sharing a file.

PRO CONTROLS

SEO & Indexing Optimization

Add clear document titles, authors, subjects and keywords to help people identify files in PDF readers and document libraries. PDF metadata does not guarantee higher Google rankings.

BROWSER LIMITS

File Size & Page Limits

This version accepts PDF files up to 100 MB and 1,500 pages. Actual processing capacity can vary with browser memory and document complexity.

CROSS-DEVICE

Any Device, Any Browser

Works in modern browsers that support JavaScript, PDF.js and the browser APIs used to read and download files. Keep your browser updated.

VISUAL WORKFLOW & DEMO

What Changes When You Edit PDF Metadata

Review the original document details, choose the fields to update or remove, then save a revised PDF.

Before: Original PDF Properties
Original_Document.pdf
Existing title, author and date properties
⚠️ Disorganized pages ⚠️ Large uncompressed size
Updated in your browser Browser-side processing
After: Updated PDF Properties
Updated_Document.pdf
Revised document information
Standard PDF properties updated
✓ Title, author and subject can be updated ✓ XMP stream can be removed when selected ✓ Download and verify the revised PDF
SPECIFICATIONS & PLATFORMS

Supported Formats & Device Compatibility

Compatibility depends on the PDF structure and the PDF.js and pdf-lib versions loaded by this page. These are practical browser limits, not a guarantee for every PDF.

📄

PDF Standards

  • ✓ PDF files supported by the bundled PDF libraries
  • ✓ PDF/A files may open, but archival conformance is not validated
  • ✓ Scanned PDFs can be inspected if supported by PDF.js
  • ✓ Password-protected PDFs must be unlocked first
⚡

Batch & Limits

  • ✓ Single PDF per processing session
  • ✓ Maximum input: 1,500 pages
  • ✓ Maximum input size: 100 MB
  • ✓ No account required to use this tool
💻

Operating Systems

  • ✓ Windows with a current browser
  • ✓ macOS with a current browser
  • ✓ Linux with a current browser
  • ✓ Mobile browsers may have lower memory limits
🌐

Browser Engine

  • ✓ Recent Chromium-based browsers
  • ✓ Recent Safari versions
  • ✓ Recent Microsoft Edge versions
  • ✓ Recent Firefox and compatible browsers
PRIVACY BY DESIGN

PDF Metadata Editing: Processed in Your Browser

The selected PDF is processed by JavaScript libraries in this browser tab. The libraries are downloaded from third-party CDNs, and browser-side processing is not a complete security guarantee.

🛡️

Sandboxed Local Memory

The metadata editing code reads the selected PDF in the browser and creates the output file locally. The webpage still loads scripts and other resources from its configured hosts.

🧹

Session-Only Browser Memory

Your documents are processed entirely in temporary in-memory ArrayBuffers inside your browser tab. This page does not send the selected PDF to a conversion upload endpoint. Browser memory is managed by the browser and may not be cleared immediately on close.

⚖️

Private by Architecture

Browser-side processing avoids sending the selected PDF to a conversion upload endpoint in this tool. It cannot protect against compromised devices, browser extensions, or other software running on your computer.

PDF processed in this browser
Client-Side Processing
No Document Data Stored
No Account or Sign-Up Required
TECHNICAL ARCHITECTURE

Engineered for Privacy & Efficiency

Built for people who want to inspect and update common PDF document properties in a browser. PDF.js and pdf-lib are loaded from configured third-party CDNs.

Local
PDF Processing
The selected PDF is processed in this browser tab
Local CPU
Browser Processing
Performance depends on file size and device
Free to use
No Account Required
No account required to use this tool
High Fidelity
Output Quality
Preserves text streams, images, and fonts as-is
📄 ISO 32000 Standard PDF
⚡ JavaScript PDF Libraries
🛡️ No Conversion Upload Endpoint
💻 Client-Side Execution
COMPLETE GUIDE & SPECIFICATIONS

The Complete Guide to Editing & Inspecting PDF Metadata

Everything you need to know about technical execution, page formatting, structural integrity, and best practices.

1

How Does PDF Metadata Editing Work?

Reading document properties, updating the Info dictionary and optionally removing XMP metadata

The tool reads common document properties from the PDF Info dictionary, then uses pdf-lib to update or remove those values. If selected, it also removes the document-level XMP metadata stream attached to the PDF catalog.

  • ✓ Info Dictionary: Reads and updates common fields such as Title, Author, Subject, Keywords, Creator, Producer and dates.
  • ✓ XMP Option: Removes the catalog-level XMP metadata stream when you enable that option.
  • ✓ Output Check: Reloads the generated PDF and checks the standard fields after a quick metadata clean.
2

Which PDF Metadata Properties Can You Change?

A quick guide to common document information fields

These fields help identify and organize a document in PDF readers and document management systems:

Feature & Function PDF Metadata Tool Online Cloud Converters
Privacy & Security Browser Processing; files never leave device Uploads files to remote third-party servers
Processing Speed Processing time depends on file size and device Dependent on upload bandwidth & server queues
File Integrity Metadata edits do not intentionally rasterize page content Frequently degrades fonts and downsamples aggressively
3

PDF Metadata vs Visible PDF Content

Understand what this tool changes and what it leaves untouched

PDF metadata is separate from the page content displayed to readers. This tool changes common document properties rather than editing page text or images:

  • ✓ Visible Pages: The metadata editor does not intentionally redraw or rasterize page text, images or vector graphics.
  • ✓ Document Properties: The standard Info dictionary contains fields such as title, author, subject, keywords, creator, producer and dates.
  • ✓ XMP Metadata: Some PDFs also contain an XML-based metadata stream. Enable the XMP option if you want this tool to remove the catalog-level stream.
4

Handling Metadata, Hidden Layers & Form Fields

What remains intact during file processing

Depending on your selected optimization options, internal elements are handled as follows:

  • ✓ Document Information Dictionaries: Standard author, title, and creation timestamps can be cleaned or preserved based on privacy needs.
  • ✓ AcroForm Widgets: Interactive forms remain functional unless you specifically run the file through our Flatten PDF tool.
  • ✓ Embedded Annotations: Sticky notes, highlights, and underlines are preserved in their respective page layers.
5

Technical Limitations & Practical Guidelines

Realistic performance considerations for complex files

To maximize results with our in-browser optimization engine:

  • ✓ Already-Compressed Files: Documents consisting solely of pre-compressed JPEG scans or minimalist text may see modest file size reduction.
  • ✓ Severely Damaged Files: Repair can fix missing xref tables and corrupted trailers, but cannot recover pages completely wiped from disk.
  • ✓ Browser Tab Limits: For documents containing hundreds of high-res photos, ensure your browser has at least 1GB of free memory.
REAL-WORLD APPLICATIONS

Tailored Solutions for Every pdf metadata Workflow

Use document properties to identify, organize and prepare PDFs for internal review or public sharing.

⚖️
Legal & Contracts

Remove author details before sharing

Clear author, creator and producer fields from a copy of a report before distributing it outside your organization.

✓ Browser-side processing • Review before sharing
📊
Corporate & Finance

Standardize document titles

Give reports, proposals and policies clear titles and subjects so recipients can identify them in their PDF reader.

✓ Clear names for team documents
🎓
Academic & Research

Prepare PDFs for document libraries

Add consistent author, subject and keyword properties to help teams sort and retrieve documents in their own document-management systems.

✓ Improves document identification
💼
HR & Operations

Update creator and producer fields

Replace outdated application labels in the standard PDF properties with the creator or producer information you want readers to see.

✓ Supports modern browsers
🧾
Tax & Bookkeeping

Remove common document properties

Use Quick Clean to remove common Info dictionary properties and the document-level XMP metadata stream. It does not redact visible page content.

✓ Review metadata before external sharing
🩺
Healthcare & Records

Review metadata before publication

Check the title, author, creator, producer and dates before publishing or sending a PDF to a wider audience.

✓ Quick metadata cleanup
DIAGNOSTICS & QUICK FIXES

Common Issues & Troubleshooting Fixes

Encountering an unexpected hurdle with your document? Here are the most effective solutions and diagnostics.

🔒

“Metadata removal does not erase page content”

Symptoms: You expect metadata cleaning to erase names, account numbers or other text printed on PDF pages

✓ Instant Solution

Quick Clean only removes common document properties and the catalog-level XMP stream. It does not erase text, images or other content printed on PDF pages. Use a dedicated redaction tool to remove sensitive page content.

📦

“Some metadata remains visible after cleaning”

Symptoms: A PDF reader still shows information that you expected the tool to remove

✓ Instant Solution

This tool removes standard Info dictionary fields and the catalog-level XMP metadata stream. Attachments, annotations, form values, embedded files and other objects are not covered. Inspect the document with a specialized forensic tool if you need a broader audit.

⚠️

“The PDF cannot be opened”

Symptoms: The file is rejected, encrypted, incomplete or uses a structure this browser library cannot parse

✓ Instant Solution

Confirm that the file opens in a standard PDF reader and is not password-protected. Download a fresh copy if the file may be incomplete. This editor is not a PDF repair tool.

📐

“The saved PDF looks different”

Symptoms: A PDF reader displays a page differently after the metadata operation

✓ Instant Solution

Metadata editing is not intended to change page content. Open the downloaded file in another PDF reader and compare important pages. Keep the original file until you have verified the output.

📝

“Will editing affect a digital signature?”

Symptoms: A signed PDF shows a signature warning or no longer validates after saving

✓ Instant Solution

Saving changes to a digitally signed PDF can invalidate its signature because the file bytes and document structure change. Keep the original signed file and do not use this editor when signature validity must be preserved.

🔁

“The browser runs out of memory”

Symptoms: A large PDF takes a long time to load, the tab becomes unresponsive or the browser closes the page

✓ Instant Solution

This version limits input to 100 MB and 1,500 pages. Large or complex files may still use substantial browser memory. If a document exceeds the limit, split it into smaller files and process each part.

POWER TIP

Non-Destructive Live Preview: You can zoom, rotate individual pages, test crop margins, and preview your layout in real time before generating the final document.

QUESTIONS & ANSWERS

Frequently Asked Questions

Answers about PDF document properties, editing, metadata removal and browser-side processing.

Q What metadata can a PDF file contain?

A PDF can store standard properties such as title, author, subject, keywords, creator, producer, creation date and modification date. Some PDFs also include an XMP metadata stream. Other information may exist elsewhere in the document and is not covered by these fields.

Q Why should I remove PDF metadata before sharing a document?

Metadata can reveal document names, author or organization details, software names and dates. Review the properties before sharing a file publicly. Removing these fields does not remove sensitive text or images from the PDF pages.

Q Can I edit the title, author and keywords in a PDF?

Yes. This tool can update common PDF Info properties, including title, author, subject, keywords, creator, producer and creation or modification dates. These are document properties, not Google search ranking settings.

Q Does removing PDF metadata change the visible pages?

The tool changes document properties and can remove the catalog-level XMP metadata stream. It does not intentionally edit page text or images, but always open the downloaded PDF and check that it still works as expected.

Q Does this tool remove every hidden detail from a PDF?

No. The quick clean removes common Info dictionary properties and the catalog-level XMP metadata stream. It does not scan or remove embedded attachments, comments, annotations, form values, JavaScript, page content or every possible source of identifying information.

USER COMMUNITY & SUPPORT

Help Us Improve pdf metadata

Encountered an issue with a document, or have an idea to make this tool better? Share your thoughts directly with our engineering team.