ZIP to 7Z Converter
Convert your ZIP archives to 7Z format for better compression ratios and smaller file sizes.
ZIP → 7Z
Why Convert ZIP to 7Z
7Z typically provides 30-70% better compression than ZIP. This is ideal for archiving large files or reducing upload/download times.
7Z uses the LZMA/LZMA2 compression algorithm which is more efficient than ZIP's DEFLATE compression.
How to Convert ZIP to 7Z
- Upload your ZIP file by dragging it into the converter or clicking to browse.
- Wait for the file to be extracted and recompressed as 7Z.
- Click Convert to process your archive.
- Download your smaller 7Z file.
Key Features of MiConvert ZIP to 7Z
- Convert ZIP archives to 7Z format
- Better compression for smaller file sizes
- Preserve all archive contents
- Fast online processing
- No software required
- No registration needed
Frequently Asked Questions
How much smaller will my 7Z file be?
Typically 30-70% smaller than ZIP, depending on the file types being compressed. Text and data files compress best.
Can everyone open 7Z files?
Most modern archive software supports 7Z. Windows users can install 7-Zip for free.
Is 7Z compression slower?
Yes, 7Z takes longer to compress and decompress, but the size savings are often worth it.
Does this work on mobile?
Yes, you can upload ZIP files from your phone and download the converted 7Z archive.