OllyDbg

Performs debugging of multi-thread programs
Oct 26, 2026
Rating:
4.1 on 31 votes
Category:
Development Tools › Debugging Tools
Developer:
Oleh Yuschuk
License:
Freeware
Total downloads:
22,125
Operating system:
Windows XP/Vista/7/8/10/11
Latest version:
2.01

Description

Perform code analysis of multi-thread programs and view the information about registers, loops, API calls, switches and other details of relevant programs. Log data analysis, executable module checkup, memory map access along with setting conditional, logging, memory and hardware breakpoints are all possible.

Download of OllyDbg 2.01 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This free software was originally created by Oleh Yuschuk. You can install this free PC program on Windows XP/Vista/7/8/10/11 32-bit.

The most popular versions of the software are 2.0, 1.1 and 1.0. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The software belongs to Development Tools. 011yDbg.exe, flyODBG.eXe, Lbr68.exe, ollydbg 2.exe or OllyDbg.exe are the default file names to indicate the OllyDbg installer.

From the developer:

OllyDbg is a 32-bit assembler level analyzing debugger for Microsoft Windows that emphasis on binary code analysis, making it particularly useful in cases where source is unavailable. The program traces registers, recognizes procedures, loops, API calls, switches, tables, constants and strings, directly loads and debugs DLLs.

You may want to check out more software, such as HexAssistant, Poseidon or RapidDriver, which might be similar to OllyDbg.

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