Free PDF Metadata Editor
View and edit PDF metadata including title, author, subject, keywords, creator, and producer. Download the updated PDF directly from your browser.
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Drag and drop a PDF here, or click to select
How It Works
- Upload a PDF to view its existing metadata properties
- Edit title, author, subject, keywords, creator, and modification date
- Click Save Metadata to create an updated PDF
- The creation date is read-only as it reflects the original creation time
- All processing happens in your browser — files are never uploaded
Frequently Asked Questions
What is the PDF Metadata Editor?
The PDF Metadata Editor is a free online tool that view and edit pdf metadata including title, author, subject, keywords, creator, and producer. download the updated pdf directly from your browser.. It runs entirely in your browser with no installation or sign-up needed.
What metadata fields can I edit?
Title, Author, Subject, Keywords, Creator, and Producer fields.
Is my PDF uploaded anywhere?
No. pdf-lib runs entirely in your browser.
Is it free?
Yes, completely free.
Does the PDF Metadata Editor work on mobile devices?
Yes, the PDF Metadata Editor is fully responsive and works on smartphones and tablets. You can use it on any device with a modern web browser -- no app download required.
Do I need to create an account to use this tool?
No account or registration is needed. Simply open the PDF Metadata Editor in your browser and start using it immediately. There are no sign-up walls or usage restrictions.
Is there a file size limit?
Since the PDF Metadata Editor processes files in your browser, the size limit depends on your device's memory. Most devices can handle PDFs up to 50-100MB without issues.
How do I use the PDF Metadata Editor?
Simply enter your input in the provided field, adjust any settings to your preference, and the tool will process it instantly. You can then copy the result to your clipboard or download it.
Which browsers are supported?
The PDF Metadata Editor works in all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. For the best experience, use the latest version of your preferred browser.
What is the difference between the Creator and Producer fields in PDF metadata?
Creator and Producer both record software, but at different stages. The Creator names the application the content was originally authored in, such as the word processor or design program you typed and laid out the document in. The Producer names the library or engine that wrote out the final PDF file, which is often a separate conversion or export component. So a document drafted in a word processor and exported through a PDF engine will show one app as Creator and another as Producer. They frequently differ, and a leftover Producer string from an old exporter can quietly reveal which toolchain made the file. This editor displays both values when you open a PDF and lets you rewrite either one, so you can correct a misleading toolchain reference or standardize the credit before sharing. Load your PDF above to see and edit both fields side by side.
Why is the PDF title different from the file name when I open it?
The file name is just the label on disk, while the Title is a separate field stored inside the document's information dictionary, embedded in the PDF itself. Many viewers and browser tabs display that embedded Title instead of the file name, which is why a document saved as report-final.pdf can still show an old template title or a generic export string at the top of the window. The two are completely independent: renaming the file never touches the internal Title, and editing the Title never renames the file. Exporters often inject a leftover or blank Title automatically, so it pays to check. Drop your PDF into this editor to read the current embedded Title, replace it with an accurate name, and download a fresh copy that displays correctly in viewers and tabs.
How do I edit the metadata of a password-protected PDF?
An encrypted, password-protected PDF cannot have its metadata rewritten until it is unlocked, because the document's information dictionary is part of the protected, encrypted structure. A metadata editor needs to parse and re-save that structure, which encryption blocks. The fix is to remove the password protection first using the file's known password, producing an unlocked copy, and then open that copy to view and change the Title, Author, Subject, Keywords, Creator, and Producer fields. Once unlocked, the standard fields read back normally and you can edit any of them. This tool works on any valid, unencrypted PDF and will report an error if it cannot parse a protected file, so unlock the document first, then load it here to correct the properties and download the updated version with your original left untouched.
Why can't I change the creation date of a PDF here?
The creation date is shown as read-only on purpose. It records when the document was first produced, and that timestamp is part of the file's history, so rewriting it would misrepresent when the PDF actually originated. Faking a creation date can also undermine trust in archived or compliance records that rely on accurate origin dates. The modification date works differently: it reflects your latest genuine change, so this editor leaves it fully editable. When you save new metadata, you can set the modification date to the real date of your edit while the original creation date stays intact. This keeps the document's timeline honest. Open your PDF in the editor to review the creation date alongside the page count and PDF version, adjust the modification date if needed, and download the corrected file.
Does editing PDF metadata change the visible text or pages of the document?
No. Metadata lives in a small descriptive block called the document information dictionary, which is entirely separate from the page content you see when reading. Editing the Title, Author, Subject, Keywords, Creator, or Producer changes only that hidden information block, not a single word, image, or layout element on the pages. This is exactly why a file's properties can be wrong even when the visible text looks perfect. The page count, fonts, and formatting all stay identical after you save. This editor rewrites just the standard information fields and downloads a new copy with a _metadata.pdf suffix, leaving your original file completely untouched. Load a PDF above to update its properties with full confidence that the document itself reads exactly the same as before, only with accurate, cleaned-up descriptive details attached.
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About the PDF Metadata Editor
The PDF Metadata Editor is a free online tool for viewing and changing the document properties stored inside a PDF file. Drop in a PDF and it reads back the embedded fields — Title, Author, Subject, Keywords, Creator, and Producer — along with the creation and modification dates, the page count, the file size, and the PDF version parsed from the file header. You can then rewrite any of those fields and download a fresh copy of the document with the corrected information baked in.
It is built for anyone who cares what a PDF says about itself: writers and publishers cleaning up exports, students fixing the author name on a submission, SEO and marketing teams setting a proper document title, and developers auditing files that pass through an automated pipeline. The editing happens entirely in your browser using the pdf-lib library, so the file never leaves your device — no upload, no account, and no software to install.
What PDF metadata is and why it matters
PDF metadata is a small block of descriptive information embedded in the document's information dictionary. It is separate from the visible page content, which is why a file's properties can be wrong even when the text on the page looks perfect. The standard fields this editor exposes are:
- Title — the document's name, often shown in a browser tab or PDF viewer instead of the filename.
- Author — the person or organization credited with the document.
- Subject — a short description of what the document is about.
- Keywords — comma-separated terms that describe the content.
- Creator — the application the content was originally authored in (for example, a word processor).
- Producer — the library or tool that wrote out the final PDF.
These fields matter more than people expect. Search engines and document management systems read the Title and Subject when indexing files, so an accurate title helps a PDF surface for the right query. Many viewers display the Title rather than the filename, and a blank or leftover template title (the kind exporters often inject automatically) looks careless. For accessibility, screen readers can announce the document title, and for compliance and archiving, a correct Author field keeps records attributable.
How to use the editor
Using the PDF Metadata Editor takes a few seconds:
- Drag a PDF onto the drop zone, or click to select one from your device.
- Review the existing values, which are loaded automatically along with the page count, PDF version, and file size.
- Edit any field you want to change, including the modification date.
- Click Save Metadata, then Download Modified PDF to get a new file (saved with a
_metadata.pdfsuffix so your original stays untouched).
The creation date is shown as read-only on purpose, because it records when the document was first produced and rewriting it would misrepresent the file's history. The modification date, by contrast, is editable so you can reflect the genuine date of your latest change.
Privacy and how the processing works
Everything runs client-side. When you load a PDF, the tool reads it into memory in your browser and uses pdf-lib to parse and rewrite the metadata locally; nothing is sent to a server, so even confidential contracts, drafts, or internal reports stay private. Because there is no upload step, the practical file-size limit is your own device's available memory rather than a server cap, and once the page has loaded the editor keeps working without a network connection.
A few things worth knowing: the editor writes the standard document-information fields, and it works on any valid, unencrypted PDF. If a file is password-protected it must be unlocked first. For a quick, no-friction way to correct the properties on a single document, the PDF Metadata Editor does exactly one job and does it cleanly.