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Head-to-head · Executable Packers

UPX vs Dhaedalida

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score UPX #2 in Executable Packers 8.9/10 Free plan Free plan✓ 0 of 1 features Visit UPX
Dhaedalida #7 in Executable Packers 7.7/10 Free plan Free plan✓ 1 of 1 features Visit Dhaedalida

UPX leads on 0 checks, Dhaedalida on 1, and 1 is even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreUPX · 8.9/10
  • Free planboth
  • Most featuresDhaedalida · 1 of 1

UPX scores higher on our rubric for executable packers: 8.9 against 7.7 out of 10; our editors rank them #2 and #7.

Dhaedalida offers protection features; UPX doesn't. On architecture support, UPX gives you Multi-architecture where Dhaedalida offers 32/64-bit.

UPX is the better fit for free cross-platform compression. Dhaedalida is the better fit for budget Windows protection with automation.

  • UPX fits best

    Free cross-platform compression

  • Dhaedalida fits best

    Budget Windows protection with automation

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Side by side

Feature UPX 8.9/10 Visit ↗ Dhaedalida 7.7/10 Visit ↗
At a glance
Editor score 8.9 7.7
Ranking #2 in Executable Packers #7 in Executable Packers
Best for Free cross-platform compression Budget Windows protection with automation
Pricing model Free Free plan + paid
Starting price Free plan —
Free plan ✓ ✓
Free trial — —
Deployment Desktop Desktop
Platforms Windows, macOS, Linux Windows
Support Docs Email, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features UPX 0/1 · Dhaedalida 1/1
Protection features — ✓ (best)
Specs
Supported platforms Windows, macOS, Linux Windows 10/11 and Windows Server 2019/2022; native x86/x64 PE targets
Binary formats PE, ELF, Mach-O, COFF, DOS/COM, DOS/EXE, DOS/SYS, Atari/TOS PE32, PE32+, .exe, .dll
Compression levels Advanced Not checked yet
Architecture support Multi-architecture 32/64-bit
License model Perpetual Perpetual
Our review
Pros
  • Supports Windows, macOS, Linux, and multiple executable formats
  • Offers compression levels 1–9, --best, and multiple methods
  • Includes decompression, integrity checks, checksums, and size reporting
  • Function-level virtualization, string encryption, and whole-application packing
  • Anti-debugging, anti-VM, anti-sandbox, anti-tamper, and anti-dump defenses
  • Desktop GUI, command-line engine, Marker SDK, and CI/build-pipeline automation
Cons
  • Command-line operation may require technical familiarity
  • Provides no verified protection features
  • Compressed commercial distribution has special license conditions
  • Supports native Windows PE targets rather than cross-platform applications
  • The free demo is feature-limited
  • Advanced protections require the Pro edition
Our verdict

UPX is a free, portable, open-source command-line packer for compressing executable programs, DLLs, libraries, and other supported binaries. It supports Windows, macOS, and Linux, with coverage for formats including PE, ELF, Mach-O, COFF,…

Read the review →

Dhaedalida is a Windows software-protection tool for software authors and vendors protecting native applications and DLLs. It targets 32-bit and 64-bit PE files, including PE32, PE32+, .exe, and .dll formats, on Windows 10/11 and Windows…

Read the review →
  1. UPXExecutable Packers 8.9Free plan
  2. DhaedalidaExecutable Packers 7.7Free plan

Strengths and trade-offs

  • UPX — where it wins

    • Supports Windows, macOS, Linux, and multiple executable formats
    • Offers compression levels 1–9, --best, and multiple methods
    • Includes decompression, integrity checks, checksums, and size reporting

    Where it doesn't

    • Command-line operation may require technical familiarity
    • Provides no verified protection features
    • Compressed commercial distribution has special license conditions

  • Dhaedalida — where it wins

    • Function-level virtualization, string encryption, and whole-application packing
    • Anti-debugging, anti-VM, anti-sandbox, anti-tamper, and anti-dump defenses
    • Desktop GUI, command-line engine, Marker SDK, and CI/build-pipeline automation

    Where it doesn't

    • Supports native Windows PE targets rather than cross-platform applications
    • The free demo is feature-limited
    • Advanced protections require the Pro edition

More comparisons

All executable packers comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update