dotPeek

Spec sheet

Purpose

dotPeek is a free standalone .NET decompiler and assembly browser based on ReSharper’s bundled decompiler.Read 7 Oct 2026 · jetbrains.com

Integrations

The download page says the dotUltimate installer can integrate selected products into chosen versions of Visual Studio.Read 7 Oct 2026 · jetbrains.com

Headquarters

Amsterdam, NetherlandsRead 28 Sep 2026 · jetbrains.com

Founded

2000Read 28 Sep 2026 · jetbrains.com

Maker

JetBrains says it was founded in 2000 and lists Amsterdam, the Netherlands, as its headquarters.Read 7 Oct 2026 · jetbrains.com

Assembly inspection

Assembly Explorer can show references, resources, code, metadata, and dependency diagrams for assemblies.Read 7 Oct 2026 · jetbrains.com

Decompilation

It decompiles .NET assemblies into equivalent C# and can optionally show the underlying IL code.Read 7 Oct 2026 · jetbrains.com

Hardware requirements

The listed minimum hardware is a 2 GHz processor, 4 GB memory, and 400 MB disk space.Read 7 Oct 2026 · jetbrains.com

Navigation and search

It provides symbol usage search, code navigation, assembly indexing, and hierarchy views.Read 7 Oct 2026 · jetbrains.com

Platform

dotPeek is a standalone desktop application for Microsoft Windows, with Windows 10 and 11 listed among its supported operating systems.Read 7 Oct 2026 · jetbrains.com

Project export

Decompiled assemblies can be saved as Visual Studio projects (.csproj).Read 7 Oct 2026 · jetbrains.com

Security and compliance

JetBrains says its tools adhere to industry security standards including SOC 2 attestation and links to its Trust Center for reports and summaries.Read 7 Oct 2026 · jetbrains.com

Source lookup

dotPeek can identify local source using PDB files, fetch source from symbol servers, and generate PDB files.Read 7 Oct 2026 · jetbrains.com

Supported inputs

It supports DLL, EXE, WINMD, and BAML files, as well as ZIP, VSIX, and NuGet archives and folders.Read 7 Oct 2026 · jetbrains.com

Use restriction

The license agreement says users must ensure decompilation is permitted by the applicable license or obtain permission from the copyright owner.Read 7 Oct 2026 · jetbrains.com

Visual Studio debugging

dotPeek can act as a symbol server that supplies Visual Studio’s debugger with information to debug compiled assemblies.Read 7 Oct 2026 · jetbrains.com

Plans and prices

Every dotPeek plan and price →

Where Specifiction places it

• Reverse Engineering Tools#20 of 737.8
• Decompiler Software#10 of 247.9