Edit PDF Metadata Online
Need to fix the author, title, subject or keywords on a PDF? PDFMax lets you edit PDF metadata online in seconds. Open your file, see the current document properties, type the new values and download the updated PDF. It's handy when a file shows the wrong author, has an empty title, or needs keywords for search and organization. Everything runs in your browser, so there's no software to install and no account to create. The tool is completely free, with no watermarks and no limits, and it works the same on a phone, tablet or computer.
Edit PDF Metadata →100% freeNo signupWorks in your browser
Why PDFMax
- Change author, title, subject and keywords in one place — no Adobe Acrobat needed
- 100% free with no signup, no watermarks and no file-size limits
- Edits only the document properties, leaving your text, images and layout untouched
- Runs in your browser on any device — Windows, Mac, Android or iPhone
How to edit PDF metadata
- Open your PDFClick to select a PDF from your device or drag and drop it onto the page. The current metadata loads automatically.
- Edit the fieldsUpdate the author, title, subject and keywords. Clear any field you want to leave empty or type in new values.
- Apply the changesConfirm your edits so the new document properties are written into the PDF.
- Download the fileSave the updated PDF to your device. The visible content stays exactly the same.
Frequently asked questions
Is editing PDF metadata free?
Yes. Editing PDF metadata on PDFMax is completely free. There's no signup, no subscription and no watermark added to your file.
Is it safe and private?
Your file is only used to update its properties and then returned to you for download. We don't ask you to create an account or share personal details to use the tool.
Are there any limits?
No. You can edit the metadata of as many PDFs as you need, with no file-size caps and no daily limits.
Does it work on mobile?
Yes. The tool runs in any modern browser, so you can edit PDF metadata on an Android phone, iPhone, tablet or desktop without installing an app.
Will editing metadata change my document's content?
No. Only the document properties (author, title, subject, keywords) are updated. Your text, images, fonts and layout stay exactly as they were.
Which metadata fields can I change?
You can edit the author, title, subject and keywords of the PDF, and clear any field you want to leave blank.