The Epub Metadata Editor is a simple way to quickly view, edit and save metadata to your EPub files on Windows. It requires no installation, and supports editing both the title and author fields. Simply download the executable and go.
Using the Epub Metadata Editor
Using the editor is simple. Once you have downloaded the executable, simply run the file. Drag the EPub file you wish to edit and drop it onto the window. The editor will display the book’s current title and author. Make any changes you wish, and press the save button to save those changes back to the file.
The Epub Metadata Editor is open source and licensed under the MIT license. You can find the code here.