PDF Metadata Editor

Edit or remove document properties embedded inside your PDF files. Change the ti...

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Drop your PDF here, or click to browse

Edit document properties like title, author, and keywords

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Supported Formats

Input Formats

.pdf

Output Formats

.pdf

What This Tool Does

A focused metadata editor built for privacy, compliance, and document management

Reads Existing Metadata - Automatically extracts and displays current Title, Author, Subject, and Keywords from your PDF the moment you upload it
100% Client-Side Processing - Uses pdf-lib in your browser. Your file never leaves your device, making it safe for confidential documents
Live Change Preview - See exactly which properties will be updated before applying changes, with a summary of all modifications
Edit All Standard Fields - Modify Title, Author, Subject, and Keywords - the four Info Dictionary fields recognized by every PDF reader
Strip Metadata Cleanly - Leave any field blank to remove it entirely. Use Clear All to wipe all four fields in one click for privacy
Content Stays Untouched - Only the document info dictionary is rewritten. Text, images, fonts, forms, and annotations remain byte-identical
Instant Processing - No server round-trip means metadata updates complete in milliseconds, even for large PDF files
Works on Any Device - Full functionality on desktop, tablet, and mobile browsers. No software installation or plugins required

Why Use PDF Metadata Editor?

Protect Your Privacy Before Sharing

PDF metadata silently exposes personal information. The author field often contains your full name or Windows username, the producer field reveals the software you used, and creation dates can show when you drafted a document. Before distributing a PDF publicly, through a FOIA request, or to opposing counsel, stripping or replacing this metadata prevents unintended disclosure of your identity and workflow.

Improve SEO for Published PDFs

Google indexes PDF files and uses the document title from metadata as the page title in search results. A PDF with a blank title field appears in Google with the filename instead, which is often something unhelpful like 'doc_final_v3.pdf'. Setting a descriptive, keyword-rich title and relevant keywords in the metadata directly improves how your PDF ranks and displays in organic search.

Meet Legal and Compliance Requirements

Court filing systems, government document repositories, and regulatory submissions often require specific metadata fields. WCAG 2.1 accessibility standards mandate that PDFs have a document title set. PDF/A archival formats require valid metadata. Many law firms audit metadata before filing to prevent inadvertent disclosure of privileged information or tracked changes.

Organize Your Document Library

Enterprise document management systems like SharePoint, Documentum, and Alfresco index PDF metadata for search and classification. When your PDFs have consistent titles, accurate author attribution, and relevant keywords, your team can find documents in seconds instead of manually browsing folder structures. This matters especially in organizations managing thousands of PDFs.

Improve Accessibility for Screen Readers

Screen readers like JAWS and NVDA announce the PDF document title when a user opens the file. If the title field is blank, the screen reader falls back to the filename, which is often cryptic. Section 508 compliance and WCAG 2.1 Level AA both require documents to have meaningful titles. Editing metadata is one of the simplest steps toward making your PDFs accessible.

Professional Presentation and Branding

When someone opens your PDF in Adobe Acrobat or any reader, the title bar displays the document title from metadata. A file called 'Q4-2025-Revenue-Report.pdf' that shows 'Quarterly Revenue Report - Q4 2025' in the title bar looks professional. Consistent author names across company documents reinforce brand identity and make it clear who is responsible for each publication.

Real-World Scenarios for PDF Metadata Editing

How professionals use metadata editing to solve practical problems

Redacting Identity Before Public Distribution

A journalist prepares leaked documents for publication. The PDFs contain the leaker's Windows username in the Author field and creation timestamps that could narrow down when the documents were accessed. Before publishing, the journalist uses the metadata editor to replace the author with the publication name and verifies that no identifying information remains in the standard fields. This is a common workflow in investigative reporting, whistleblower protection, and FOIA response redaction.

Optimizing Research Papers for Google Scholar

An academic researcher publishes whitepapers and technical reports as PDFs on their university website. Google Scholar and regular Google Search both index these files. By setting a clear, keyword-rich title ('Machine Learning Approaches to Climate Prediction: A 2025 Survey') and adding relevant keywords in the metadata, the researcher ensures the PDF appears with a proper title in search results rather than the generic filename. The Subject field provides additional context that citation indexers can use.

Corporate Document Standardization

A compliance officer at a financial institution needs all customer-facing PDFs to carry the company name as Author, a standardized title format, and regulatory classification keywords. Individual employees often create PDFs with their personal names in the Author field and no title set. The compliance officer processes each document through the metadata editor before publication, ensuring every PDF that leaves the organization meets their metadata policy. This prevents attribution confusion and satisfies audit requirements.

Legal Filing Preparation

A paralegal prepares exhibit PDFs for a federal court filing through CM/ECF. Court rules require that the document title accurately reflects the exhibit designation, such as 'Exhibit A - Contract Between Parties Dated March 2024'. The original files have unhelpful titles like 'scan001' or no title at all. The paralegal edits the metadata to set proper exhibit titles, clears the Author field to prevent revealing which firm member drafted the document, and ensures the Subject field matches the case index requirements.

How It Works

1

Upload Your PDF

Drag and drop your PDF or click to browse. The tool immediately reads the existing metadata from the PDF info dictionary and populates the fields so you can see exactly what is currently stored in the document. Processing happens entirely in your browser.

2

Edit or Clear Document Properties

Modify the title, author, subject, and keywords fields as needed. To remove a metadata entry entirely, leave the field blank. For keywords, enter comma-separated terms. The tool shows a live preview of what properties will be written to the updated file.

3

Download the Updated PDF

Click Update Metadata to apply your changes. The pdf-lib library rewrites the info dictionary client-side without touching the visible content, fonts, or images. Download the result instantly. The original file is never modified.

Expert Advice for PDF Metadata Management

Always Check Metadata Before Sharing Externally

Get into the habit of inspecting PDF properties before emailing, uploading, or filing any document. The Author field often defaults to your OS username, which may reveal your personal name or company login. A quick metadata check takes seconds and prevents accidental disclosure that cannot be undone once the file is distributed.

Write Titles for Google, Not for Your File System

The PDF Title field is what Google often displays as the clickable link in search results. Write it like a web page title: descriptive, keyword-rich, and under 70 characters. 'Complete Guide to React Server Components (2025)' will outperform 'guide_v2_final.pdf' in every search scenario. Think of it as the SEO title tag for your document.

Use Specific, Categorized Keywords

Enter keywords that someone would actually search for, separated by commas. Include the document type ('annual report'), the topic ('renewable energy investment'), the year ('2025'), and any relevant standards or regulations ('ESG compliance'). Avoid generic terms like 'document' or 'important' that add no search value.

Edit Metadata Before Signing, Not After

If your PDF will be digitally signed, finalize all metadata changes first. Digital signatures cover the entire file including metadata. Changing even one character in the Title field after signing will invalidate the signature. Plan your metadata workflow so that signing is always the last step before distribution.

Frequently Asked Questions

Anyone who opens your PDF can view the metadata by checking Document Properties (Ctrl+D in Acrobat, or right-click > Properties on most systems). The four main visible fields are Title, Author, Subject, and Keywords. Beyond these, the Creation Date, Modification Date, Producer (the software that created the PDF), and Creator (the application used to author the original document) are also exposed. On macOS, the Finder shows author and title in file previews. On Windows, the Details tab in file properties displays this information. Google also reads the Title field and may use it as the search result snippet title.
EXIF (Exchangeable Image File Format) data is specific to image files like JPEG and TIFF. It stores camera settings, GPS coordinates, timestamps, and device information. PDF metadata is stored in the document's Info Dictionary and optionally in an XMP (Extensible Metadata Platform) stream. PDF metadata contains document-level properties like Title, Author, Subject, and Keywords. If a PDF contains embedded images, those images may still carry their own EXIF data independently of the PDF metadata. Editing PDF metadata does not strip EXIF from embedded images.
Google's crawler (Googlebot) indexes PDF files and extracts both the visible text content and the metadata. The Title field from the PDF metadata is frequently used as the clickable blue link title in search results. If the Title field is empty, Google falls back to the filename or extracts a heading from the content. The Subject and Keywords fields can provide additional context signals, though Google weighs the actual text content more heavily. Well-structured metadata combined with good content helps your PDF rank for relevant queries and display attractively in search results.
Yes. Under GDPR, a person's name constitutes personal data. If your organization distributes PDFs that contain employee names in the Author field, those are personal data being processed and potentially shared. If someone submits a Subject Access Request (SAR), you may need to account for metadata in distributed PDFs. More practically, if an employee leaves the company and requests data deletion, their name embedded in hundreds of distributed PDFs becomes a compliance headache. Many organizations now have policies to use department names or company names instead of individual names in the Author field.
XMP (Extensible Metadata Platform) is an Adobe-developed XML-based metadata standard that can be embedded in many file formats including PDF. In modern PDFs, metadata exists in two places: the traditional Info Dictionary (the four fields this tool edits) and an optional XMP metadata stream that can contain much richer information including Dublin Core properties, rights management, and custom schemas. The PDF specification requires that the Info Dictionary and XMP stream be kept in sync. This tool edits the Info Dictionary fields, which is what most applications and search engines read.
PDF/A is the ISO standard for long-term archival of electronic documents (ISO 19005). PDF/A-1 requires that the document contain an XMP metadata stream with at minimum the dc:title, pdf:Producer, and xmp:CreateDate properties. PDF/A-2 and PDF/A-3 add requirements for the PDF/A identification schema (pdfaid:part and pdfaid:conformance). If you are preparing documents for government archives, legal repositories, or any system that requires PDF/A compliance, having complete and accurate metadata is mandatory, not optional.
Standard metadata (Title, Author, Subject, Keywords) adds only a few hundred bytes to the file, which is completely negligible even for small PDFs. An XMP metadata stream is slightly larger because it is XML-encoded, typically 2-5 KB. The practical impact on file size is essentially zero. Even if you added extremely long keyword strings spanning multiple paragraphs, you would be adding kilobytes to a file that is likely megabytes. You should never skip adding proper metadata to save space.
On Windows: right-click the PDF file, select Properties, then the Details tab. Or open in any PDF reader and press Ctrl+D. On macOS: open the PDF in Preview, then go to Tools > Show Inspector (Cmd+I) and click the Info tab. In Finder, select the file and press Cmd+I to see Get Info. On Linux: use the command-line tool 'pdfinfo' (part of poppler-utils) or open in Evince and check Document Properties. In Chrome or Firefox: open the PDF, then use the document properties option in the viewer menu. All these methods show the Info Dictionary fields.
When PDFs are merged, the resulting file typically inherits the metadata from the first document in the merge order, or the merge tool may set its own producer string while clearing other fields. This means carefully crafted metadata from individual files is often lost during merging. Best practice is to edit the metadata of the merged output file after combining. If you merge reports from different authors, the merged file will not automatically combine the author names. You need to set the appropriate metadata on the final document.
The Creation Date and Modification Date are stored in the Info Dictionary. When you edit metadata with this tool, the Modification Date is automatically updated to the current timestamp to reflect that the document was changed. The Creation Date from the original file is preserved in the output. Completely removing dates requires specialized tools that can rewrite the Info Dictionary at a lower level. Note that forensic analysis can sometimes recover original dates from the file structure even after they are modified.
Courts and legal professionals take PDF metadata seriously. Metadata in legal documents can inadvertently reveal privileged information, draft histories, authorship of supposedly anonymous documents, or creation timelines that contradict testimony. Many bar associations have issued ethics opinions requiring lawyers to scrub metadata before filing or sharing documents. Federal courts using CM/ECF require specific metadata standards. Some jurisdictions have had cases where metadata revealed that a 'recently created' document was actually drafted months earlier, undermining credibility. Always audit metadata before any legal filing.
This tool processes one PDF at a time for precise, field-level control. For batch operations across many files, you would typically use command-line tools like ExifTool (which supports PDF metadata), Apache PDFBox, or Python libraries like PyPDF2. In enterprise environments, document management systems can apply metadata templates to batches of files during ingestion. If you have a small number of files, processing them sequentially through this tool is fast since each edit takes only seconds.
No. This tool runs entirely in your browser using the pdf-lib JavaScript library. Your PDF file is read into browser memory, the metadata fields in the Info Dictionary are modified, and the updated PDF is generated locally. No data is sent to any server at any point. You can verify this by opening your browser's network inspector (F12 > Network tab) while using the tool. This makes it safe for confidential, privileged, or classified documents.
Yes. Digital signatures in PDFs cover the entire file contents, including the metadata. Any modification to the file after signing invalidates the signature. If your PDF is digitally signed, editing the metadata will cause signature verification to fail when the recipient checks it. You should edit all metadata before applying a digital signature. If you receive a signed PDF and need to change its metadata, be aware that doing so will break the trust chain of the signature.
The Creator field identifies the application that originally authored the document content, for example 'Microsoft Word 2021' or 'Adobe InDesign CC'. The Producer field identifies the application that converted or created the final PDF, for example 'Adobe PDF Library 15.0' or 'macOS Quartz PDFContext'. These fields are set automatically by the software used and are separate from the four user-editable fields (Title, Author, Subject, Keywords). Some PDF libraries allow overwriting Producer and Creator, but this tool focuses on the four standard user-facing fields.
Absolutely. Accessibility audits (using tools like PAC 3, Adobe Acrobat's Accessibility Checker, or axe for PDF) check whether the document Title field is set and whether the PDF is configured to display the title rather than the filename in the reader's title bar. WCAG 2.1 Success Criterion 2.4.2 requires that pages have titles that describe their topic. For PDFs, this maps directly to the Title metadata field. Fixing the title is typically one of the first remediation steps in any PDF accessibility audit.

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