The complete guide
Edit PDF metadata: what it is, when it matters, and how it works
What PDF metadata is, and why you'd want to edit it
Every PDF carries a layer of information about itself that never appears on the page. That layer — the PDF metadata — holds a title, an author, a subject, a keyword list, the name of the application that created the original document, the name of the software that produced the PDF, and timestamps for when the file was created and last modified. Almost none of it is typed by a person. When you export a document, your software fills in the author from whatever account the machine was set up with, names itself as Creator, names its conversion engine as Producer, and stamps the current time complete with your timezone offset.
That's harmless right up to the moment the file leaves your hands. A PDF exported on a work laptop can name a colleague who left two years ago, publish the exact software versions your team runs, and prove that a deliverable was written the night before it was due. Anonymous submissions get traced back to their authors this way with some regularity — not through anything clever, just through a field nobody thought to check.
The reverse is equally true: metadata you fill in on purpose is genuinely useful. A proper Title is what a PDF reader shows in its window and tab instead ofinvoice-final-v3.pdf. Keywords are indexed by desktop search and document management systems, so files surface even when their filenames don't match how people search for them. A consistent Author field makes a document set look maintained rather than assembled. The useful distinction isn't metadata versus no metadata — it's metadata you chose versus metadata that was assigned to you.
Edit PDF metadata online, with nothing to install
This is a PDF metadata editor that runs as a web page. There's no installer, no account, no email step, no watermark and no daily quota. Drop a file onto the editor and every property it carries appears in an editable form; change what you need and download a new copy. Because you edit PDF metadata online in the browser tab you already have open, the tool behaves the same on Windows, macOS, Linux, Android and iOS — and it keeps working with your network disconnected.
The part that matters most is what doesn't happen: your PDF is never uploaded. The file is read into your browser's memory with the File API, parsed and rewritten by JavaScript on your own machine, and handed back as a local download. There's no upload endpoint on this site at all — something you can confirm in about ten seconds by opening your browser's developer tools and watching the Network tab stay silent while you work, or by going offline and reloading the page. How it works walks through the mechanism step by step.
Every field you can change
The editor exposes all nine standard document properties — Title, Author, Subject, Keywords, Creator, Producer, Creation date, Modification date and the Trapped print-production flag — plus unlimited custom key/value properties such as Department, CaseNumber or Version. Clearing an input deletes that entry from the document rather than saving an empty string, so you can change PDF metadata field by field with real precision. A live change list shows each edit as old → new before you download, and you can export any file's metadata as JSON and import it into the next document to apply a consistent title, author and keyword set across a batch of related files. Thefield reference explains what each property is for and how identifying it is.
Editing metadata doesn't touch the document itself. Pages, text, fonts, images, form fields, annotations and layout come through exactly as they were, and your original file is never modified — every action produces a new copy to download. Ready to start? Open the PDF metadata editor.
How to view PDF metadata before you change it
Before you edit PDF metadata, it's worth reading what's actually in the file. How to view PDF metadata, in three steps: open thePDF metadata viewer, drag your PDF onto the drop area, and read the properties that appear. Nothing to configure, nothing to wait for.
Most PDF readers show four or five properties in a document-properties dialog and hide the rest. A dedicated PDF metadata viewer shows the whole picture: the full Info dictionary, any custom keys an application or organisation added, the raw XMP packet if the file carries one, and computed details like page count, file size, the PDF specification version from the file header, and whether the document is encrypted. Reading all of that takes a few seconds, and it's the only reliable way to know which fields need correcting and which need clearing entirely.
Remove PDF metadata when correcting it isn't enough
Sometimes you don't want to edit PDF metadata field by field — you want the file to say nothing about where it came from. ThePDF metadata remover clears the entire Info dictionary and the XMP packet in a single action — title, author, subject, keywords, both software names, both dates, the Trapped flag and every custom property.
That second store is where most tools quietly fail. A PDF can keep two independent copies of its metadata: the Info dictionary a reader shows you, and an XMP packet holding the same details as XML. Clear only the first and a second copy of your name is still sitting in the file. An action that claims to remove PDF metadata but misses XMP hasn't removed it, so this one deletes both.
One honest caveat. Stripping metadata cleans a single layer of the file, not the whole document. A signature, a letterhead, a path printed in a footer, or an embedded photograph carrying its own details can still identify you. Treat metadata removal as a necessary step in de-identifying a PDF, not the entire job.
Where most PDF metadata extraction tools fall short
Search for PDF metadata extraction tools and you'll mostly find two categories. Command-line utilities are thorough and scriptable, but they assume you're happy installing software and reading a manual page. Web converters are easy, but they ask you to hand a confidential document to a stranger's server — then queue it, watermark it, cap the file size, or keep the one feature you need behind a paid tier.
This tool takes the third route: the convenience of a web page with the privacy of a local utility. It reads both metadata stores rather than one, gives removal its own flow instead of burying it in a form, shows you a change list before you commit, and doesn't ship a multi-megabyte WebAssembly engine you have to wait on, so the page is interactive the moment it opens. There's no file-size limit either, because nothing is being transferred; the practical ceiling is your own device's memory.See the full feature list, including what the tool deliberately doesn't do.
Who edits PDF metadata
Lawyers and paralegals sanitising filings and exhibits. Journalists and their sources handling documents that must not name them. Researchers preparing manuscripts for double-blind peer review. Designers and agencies stripping software fingerprints out of a deliverable before it reaches a client. Records teams meeting data-minimisation obligations before a document enters long-term storage. And anyone who has ever spotted a former employer's name on a PDF they were about to publish.
All of them need the same two operations — read what's actually in the file, then correct it or clear it — and none of them should have to upload a confidential document to get them. That's the whole reason this editor runs where your file already is. If you're new to any of this,what is PDF metadata? is the plain-English place to start.