Multi-file and folder download
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Multi-file downloads are generated in the browser. They work best for many small files. For very large files, direct single-file downloads are more reliable.
VercelDrive uses JSZip to fetch the selected files in the browser, compress them into a zip blob, and save that archive to your device.
The current downloader validates fetch responses before adding each file to the archive and waits briefly before revoking the generated blob URL. This avoids the common failure where a zip appears to reach a certain percentage and then the browser reports a failed download.
Folders are traversed and recursively fetched into the compressed zip. Multiple files or folders can be selected and downloaded side-by-side.