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Hextor
What it is
Hextor is a free Windows hexadecimal editor and toolkit for analyzing binary data. It displays values as text, hexadecimal, integers, and floating-point types, and can interpret or edit data through C-like structure descriptions. Search and replace supports text, hex, Unicode, wildcards, and value searches. Binary comparison identifies inserted and deleted content. Hextor can view and edit logical volumes, physical disks, and process memory. Analysis tools include bitmap viewing, MD, SHA, and CRC hash calculations, plus a disassembler using the Zydis library. Scripting works through IActiveScript. Version 0.15 adds partial, view-only Intel HEX support and searches involving an unknown half-byte. The Freeware plan costs nothing and permits personal and commercial use. Source code is available for review only. The project advises caution and backups, provides no warranty, and disclaims liability for damage from use.
For and against
For
- Free for personal and commercial use
- Binary comparison detects insertions and deletions
- Can edit disks and process memory
- Includes hashing and disassembly tools
- Supports IActiveScript scripting
Against
- Windows platform only
- Source code is review-only
- No plugin support
- Use requires caution and backups
The verdict
Hextor provides broad low-level viewing, editing, comparison, and analysis features at no cost. Its Windows focus, review-only source access, and lack of plugins define the usage boundaries.
Who it suits
Hextor suits Windows users who inspect, compare, edit, or script binary data. It is aimed at people comfortable working with disks, process memory, hashes, and low-level formats.
Plans and prices
Freeware
Free for personal and commercial use · Source code available for review only
Read 4 Oct 2026 · github.com
On the record
- Analysis tools
- Features include bitmap viewing, hash calculation for MD, SHA and CRC types, and a disassembler using the Zydis library.github.com · read 4 Oct 2026
- Data views and structures
- It can display data as text, hex, integer and floating-point types, and interpret or edit data using C-like structure descriptions.github.com · read 4 Oct 2026
- License and use
- The license permits free personal and commercial use, but source code may be accessed solely for review purposes.github.com · read 4 Oct 2026
- Low-level access
- It can view and edit logical volumes, physical disks and process memory.github.com · read 4 Oct 2026
- Maker contact
- The project identifies Grigoriy Mylnikov (DigitalWolF) as its copyright holder and provides [email protected] as a contact address.github.com · read 4 Oct 2026
- Release note
- Version 0.15 adds partial view-only support for Intel HEX files and search with an unknown half of a byte.github.com · read 4 Oct 2026
- Safety
- The project advises users to use caution and make backups of valuable data when using the tool.github.com · read 4 Oct 2026
- Scripting
- Hextor supports scripting via IActiveScript.github.com · read 4 Oct 2026
- Search and comparison
- It supports text, hex and Unicode search and replace, including wildcards and value search, plus binary file comparison with insert and delete detection.github.com · read 4 Oct 2026
- Warranty
- The software is provided without warranty, and the author disclaims liability for damage arising from its use.github.com · read 4 Oct 2026
- What it does
- Hextor is a hexadecimal editor and binary data analyzing toolkit for Windows.github.com · read 4 Oct 2026
