Comparison · File archivers
7-Zip vs NanaZip: which is better in 2026?
7-Zip ranks higher in our list of file archivers (#1 against #4, score 93.5 against 85.5).
- 93.5Editorial score85.5
- 1Platforms1
- YesFree to useYes
- YesOpen sourceYes
Which should you choose?
Choose 7-Zip if you want
Free, open-source archiving on Windows.
The default free archiver on Windows, with a high compression ratio in the 7z format and AES-256 encryption. It creates 7z, ZIP and GZIP but not RAR, so RAR files need WinRAR or PeaZip.
Choose NanaZip if you want
Windows users who want 7-Zip in a modern interface.
Free, MIT-licensed 7-Zip derivative for Windows 10 and 11 that puts the 7-Zip formats into a modern Windows interface. It is Windows only, and Windows 10 on ARM needs the x64 emulation option.
Side by side
 7-Zip |  NanaZip | |
|---|---|---|
| Score | 93.5 | 85.5 |
| Rank in list | #1 of 10 | #4 of 10 |
| Price | Free and open sourceFree to use, including in commercial organizations | Free and open sourceFree MIT-licensed archiver for Windows 10 and 11 |
| Free to use | Yes | Yes |
| Open source | Yes | Yes |
| Platforms | WindowsWindows | WindowsWindows |
| Made by | Igor Pavlov | Not stated |
| Formats | 7z, ZIP, GZIP, TAR; unpacks RAR and ISO | Same family as 7-Zip |
| Best for | Free, open-source archiving on Windows | Windows users who want 7-Zip in a modern interface |
| Strengths |
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| Limits |
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| Links | Visit site | Visit site |
Questions about 7-Zip vs NanaZip
Choosing between the two
Learning Center
1:17How to decide between two good optionsSettle a close call by sorting it by how hard it is to undo, setting a deadline, scoring the criteria as a tie-breaker and writing down why you chose.
1:20How to compare products fairly: what to keep in mindDefine the job, cap the must-haves, compare like with like, count total cost over one period and weigh the criteria. Includes a worked example.