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PE-bear vs pestudio: catalog facts
PE-bear	pestudio
	Screenshots
Best for: Malware analysts taking a first look at Windows executables	Best for: Malware analysts triaging suspicious Windows executables
Free Free and open source.	Free + paid options A free download is offered; check the developer's site for licensing terms and paid editions.
Windows, macOS, Linux	Windows
Friendly GUI for inspecting PE structures Built-in disassembly through Capstone Runs on Windows, Linux and macOS	Static analysis, so the sample is never executed Flags suspicious indicators for quick triage Long-running project maintained since 2009
Limited to the PE format Not a full decompiler or debugger	Windows only Covers initial assessment, not full reverse engineering
Downloadable app	Downloadable app
Open source	Not open source
License not stated	License not stated
No account needed	No account needed
Offline features available	Offline features available
Official website Full listing and sources Sources for PE-bear github.com/hasherezade/pe-bear Catalog checked September 23, 2026	Official website Full listing and sources Sources for pestudio winitor.com Catalog checked September 23, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.

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