Preview ZIP file contents online without extracting. View directory tree, file list, file sizes and compression ratios instantly. Private and 100% free.
Upload your ZIP file into the local viewer panel.
Browse all folders and files inside the interactive directory tree.
Search, sort, or inspect individual file sizes and compression metrics.
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.
Inspect ZIP structures instantly without downloading or extracting any files. Fast, clean, and perfectly safe for auditing untrusted archives.