Rename files inside a ZIP archive without extracting and re-compressing them. Fast, free, browser-based and private.
Upload your ZIP file to load the internal file list.
Type new names directly next to the files in the directory view.
Click 'Rename & Save' to download your updated ZIP archive.
Your data is processed entirely inside your browser using client-side JavaScript. Nothing ever travels over a network to any server — making BunchTool the most private option available.
Because everything runs locally in your browser, there are no upload queues or server wait times. Results appear in seconds regardless of your internet speed — or even without any connection at all.
Rename files and folders inside your ZIP instantly. No need to extract, rename, and re-compress the archive manually.