PDF Metadata Editor
Edit PDF title, author, keywords, and other metadata right in your browser
PDFメタデータ編集
ファイルをドラッグ&ドロップ
About PDF Metadata Editor
PDF files contain embedded metadata such as title, author, subject, keywords, and creator application name. This information appears in file properties, PDF viewer document info panels, and is used by search engines and document management systems. Properly maintained metadata is critical for discoverability, version control, and information organization.
However, there are many situations where metadata needs updating or cleaning. Previous author names may remain, internal tool identifiers should be removed before sharing, sensitive information needs to be cleared, or you want a consistent format across multiple documents. Traditionally, editing PDF metadata required expensive software like Adobe Acrobat or specialized desktop applications.
This tool lets you upload a PDF and instantly read its existing metadata, then freely edit title, author, subject, keywords, and creator fields. You can clear any field to remove unwanted information. All processing runs locally in your browser using pdf-lib, so your sensitive PDF data is never uploaded to any server and works even without internet after the page loads.
Perfect for corporate document management, academic paper preparation, public PDF property cleanup, sensitive information removal, and maintaining consistent metadata standards across teams and organizations.
How to use PDF Metadata Editor
- Drag and drop a PDF file or click to select one.
- Existing metadata is automatically read and displayed in the form: title, author, subject, keywords, and creator fields. Producer is read-only and auto-populated.
- Edit the fields you want to change. Leave any field blank to remove that metadata. Enter multiple keywords separated by commas.
- Click the download button to save your PDF with the updated metadata applied.
Benefits of PDF Metadata Editor
- Automatically reads existing metadata from any PDF and lets you edit or clear title, author, subject, keywords, and creator in seconds. No complex dialog boxes or confusing menus.
- Entirely browser-based processing keeps your PDF data private—never uploads to any server. Works without internet after the initial load, perfect for sensitive corporate or academic documents.
- No software installation required and compatible with all devices. A free alternative to expensive PDF editing software like Adobe Acrobat, with a focused toolset for metadata management.
- Intelligently handles multiple keywords separated by commas and normalizes whitespace automatically. Perfect for maintaining consistent metadata standards across teams and document libraries.
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