7-Zip Comparison
7-Zip vs WinRAR vs WinZip
Compression Ratio Results
| Program | 7z Format | ZIP Format | RAR Format |
|---|---|---|---|
| 7-Zip | 100% (Best) | 100% (Best) | Not supported |
| WinRAR | 83% | 99% | 100% (Best) |
| WinZip | 82% | 99% | Not supported |
Results based on compression of "Silesia corpus" files. Lower percentage means better compression ratio. 7-Zip provides superior compression in 7z and ZIP formats.
Feature Comparison
| Feature | 7-Zip | WinRAR | WinZip |
|---|---|---|---|
| Price | Free | Paid ($29.95) | Paid ($29.95) |
| Open Source | Yes | No | No |
| 7z Format | Yes | Read only | No |
| ZIP Support | Yes | Yes | Yes |
| RAR Support | Read only | Yes | No |
| AES-256 Encryption | Yes | Yes | Yes |
| Self-Extracting Archives | Yes | Yes | Yes |
| Multi-volume Archives | Yes | Yes | Yes |
| Command Line | Yes | Yes | Yes |
| Windows Integration | Yes | Yes | Yes |
Why Choose 7-Zip?
- Completely Free: No trial period, no restrictions, free forever
- Best Compression: Superior compression ratios in 7z and ZIP formats
- Open Source: Transparent code, community-driven development
- Secure: Strong AES-256 encryption for your archives
- Fast: Multi-threading support for quick compression
- Versatile: Supports 30+ archive formats
- Lightweight: Small file size, low resource usage
- No Ads: Clean interface without advertisements
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