Convert ZIP to 7Z
Turn ZIP files into 7Z in seconds — free.
- Works directly in your browser
- Keeps the original formatting and quality
- Download your file in seconds
- No signup, no watermark, no limits
- Supports batches of ZIP files up to 100 MB each
Upload your files
Drop ZIP files here
Files up to 100 MB · deleted automatically after 4 hours
How the conversion works
Three steps between your ZIP file and a finished 7Z.
Add your ZIP file
Drag and drop it, or browse your device. Multiple files are fine.
Confirm 7Z settings
Choose quality and naming, then start the conversion.
Download
Save the 7Z file, or scan the QR code to grab it on your phone.
About converting ZIP to 7Z
ZIP and 7Z solve different problems, which is why this conversion is so common. Our converter reads the structure of your ZIP file and rebuilds it as a valid 7Z file rather than simply renaming it, so the result opens cleanly in the apps you already use.
ZIP is the most common compressed archive format. 7Z is an archive format with very high compression.
The converter sits in our archive converters toolkit alongside ZIP, RAR, 7Z, TAR, GZ, TGZ, ISO and more. Nothing is installed, nothing is stored, and the output carries no watermark.