Question 1

Are my files uploaded?

Accepted Answer

No. ZIP creation uses the JSZip library running entirely in your browser. Your files never leave your device.

Question 2

How many files can I add?

Accepted Answer

There is no hard limit. The practical limit depends on your device memory and the total uncompressed size.

Question 3

What compression does it use?

Accepted Answer

DEFLATE compression at level 6, the same algorithm used by most ZIP tools.

Question 4

Can I add more files after the initial drop?

Accepted Answer

Yes. Drop more files onto the drop zone at any time before clicking Create ZIP.

Create ZIP

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