If I clear a field, is the data erased?

No. Empty fields are skipped — the tool only writes fields with content. Clearing the form is always safe.

Why does my reader still show the old title?

Readers cache metadata when a book is imported. Remove the book from your reader, then import the edited file again — the fresh metadata is picked up immediately.

Can I also change the cover?

Yes. Use the free EPUB cover changer to replace, add, or remove the cover image — it runs in your browser too.

Is my book uploaded to a server?

Never. Editing happens entirely in your browser — you can verify it in the network inspector: zero uploads while you work.

Edit EPUB Metadata Online – Free Title, Author & ISBN Editor

Drop or choose an EPUB file

Your ebook is opened locally in your browser. Nothing is uploaded.

Browser-based

Your file is processed locally without waiting for a server conversion queue.

No upload required

Files stay in your browser, which is ideal for private drafts and personal libraries.

Free ebook tool

Merge and split ebook files without signup, credits, watermarks, or installation.

How to edit EPUB metadata

Upload your EPUB

Choose a DRM-free EPUB file. Its current metadata is read locally and shown in the form.

Edit the fields

Change title, author, ISBN, language, publisher or description. Fields you leave empty are kept as they are.

Download and re-import

Save the updated EPUB, re-import it into your reader, and the corrected details appear on the shelf.

EPUB metadata editor FAQ

Title, author, ISBN, language, publisher and description — the fields readers display on the shelf and on the book info page. Everything else in the book is untouched.