PDF Tools · Metadata

PDF Metadata Editor

View and edit the title, author, subject, keywords, dates and more stored inside your PDF — without touching the content.


PDF Metadata Editor

Edit every document property stored inside your PDF — instantly, without re-rendering a single page.

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View Current Values
Every field is pre-filled with the PDF's existing metadata so you can see exactly what's stored before making changes.
✏️
Edit All Fields
Title, Author, Subject, Keywords, Creator, Producer, Creation Date, Modification Date — all editable.
🗑️
Clear Any Field
Leave a field blank and save to remove that metadata entry from the PDF entirely — useful for privacy scrubbing.
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Lossless Editing
pdf-lib edits only the document information dictionary. Pages, fonts, images, hyperlinks, and vector graphics are completely untouched.
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Date Picker
Creation and Modification dates use a native datetime picker — no manual formatting required.
🛡️
100% Private
All processing happens inside your browser. No file is ever uploaded. Nothing is stored or logged.

How to Use

1
Upload your PDF
Drag the PDF onto the upload zone or click Choose PDF. The tool instantly reads all metadata fields.
2
Review the current values
Each field shows the existing value pulled from the PDF. The small grey hint above each field shows the original value so you can compare.
3
Edit what you need
Change any field. Leave a field blank to remove that metadata from the PDF. Use Clear All Fields to wipe all metadata at once.
4
Save & Download
Click Save & Download PDF. The file is saved as filename_metadata.pdf and downloaded immediately. Pages are untouched.

Frequently Asked Questions

The PDF standard defines a document information dictionary with these fields: Title (document name), Author (person who wrote it), Subject (topic or description), Keywords (search terms), Creator (application that originally created the document), Producer (application that generated the PDF file), CreationDate, and ModDate. All are optional — a PDF can have none, some, or all of them filled.

Common reasons include: fixing incorrect title or author before publishing; removing personally identifying information (author name, creator app) before sharing externally; adding keywords to improve indexing in document management systems; correcting wrong creation or modification dates; and removing auto-generated producer strings like "Acrobat 9.0" from older files.

Page content is untouched. File size may change very slightly (a few bytes) because pdf-lib rewrites the cross-reference table when saving, but pages, images, fonts, and embedded files are identical.

PDFs can store metadata in two places: the classic document information dictionary (what this tool edits) and an XMP stream (an XML format embedded in the PDF). pdf-lib edits the information dictionary. If the PDF also contains XMP metadata, that block is left as-is. Most consumer PDF readers display the information dictionary values, so for typical use cases this tool is sufficient.

If the PDF has an owner password only (which sets permissions but does not prevent opening), this tool can load and edit it. If the PDF has a user (open) password, you will need to remove the password first using the PDF Password Remover, then edit the metadata.


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