Best UPX Alternatives in 2026
Updated
20 tools from executable packers ranked against UPX on the same published basis.
- 1UPX vs Obsidian
- 2UPX vs StarForce Reader
- 3UPX vs Virbox Protector
- 4UPX vs Sentinel EMS
- 5UPX vs VMProtect
- 7UPX vs Enigma Virtual Box
- 8UPX vs MPRESS
- 9UPX vs AlushPacker
- 10UPX vs TinyLoad
- 11UPX vs Dhaedalida
- 12UPX vs PECompact
- 13UPX vs BoxedApp Packer
- 14UPX vs Crinkler
- 15UPX vs DotFix NiceProtect
- 16UPX vs Fatpack
- 17UPX vs PELock
- 18UPX vs Enigma Protector
- 19UPX vs Obsidium
- 20UPX vs papaw
- 21UPX vs Safengine Protector
UPX alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Obsidian | 7.8 | Free plan | $4/mo | Android, Browser, iOS, Linux, Mac, Windows |
| 2 | StarForce Reader | 7.7 | Free plan | Free | Android, iOS, Linux, Mac, Windows |
| 3 | Virbox Protector | 7.6 | No | — | Android, iOS, Linux, Mac, Windows |
| 4 | Sentinel EMS | 7.4 | No | — | API, Linux, Mac, self-hosted, Web, Windows |
| 5 | VMProtect | 7.2 | No | $16.58/mo | Linux, Mac, Windows |
| 7 | Enigma Virtual Box | 6.8 | Free plan | Free | Windows |
| 8 | MPRESS | 6.8 | Free plan | Free | Mac, Windows |
| 9 | AlushPacker | 6.7 | Free plan | Free | Windows |
| 10 | TinyLoad | 6.5 | No | — | Windows |
| 11 | Dhaedalida | 6.4 | No | — | Windows |
| 12 | PECompact | 5.9 | No | — | Windows |
| 13 | BoxedApp Packer | 5.8 | No | — | Windows |
| 14 | Crinkler | 5.8 | No | — | Windows |
| 15 | DotFix NiceProtect | 5.8 | No | — | Windows |
| 16 | Fatpack | 5.8 | No | — | Windows |
| 17 | PELock | 5.8 | No | — | Windows |
| 18 | Enigma Protector | 5.7 | No | — | Windows |
| 19 | Obsidium | 5.7 | No | — | Windows |
| 20 | papaw | 5.7 | No | — | Linux |
| 21 | Safengine Protector | 5.7 | No | — | Windows |
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Questions about UPX alternatives
What is the best alternative to UPX?
Obsidian, number 1 in executable packers with a score of 7.8 out of 10. The others here: StarForce Reader, Virbox Protector, Sentinel EMS and 16 more.
What is the best free alternative to UPX?
Obsidian is the best-ranked alternative with a free plan. 5 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.