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Tech riderRev. 5 Oct 2026

Q22

Ch 106.9of 31 Hex Editors
  1. 1Runs onLinux, Windows
  2. 2CostsFree plan
  3. 3Supported platformsWindows
  4. 4Binary templatesYes
4 lines stated Written from the maker's own pages: catch22.net
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The Q22 homepage

Overview

Q22 is ranked #10 of 31 in hex editors on Specifiction. It runs on Linux, Windows. There is a free plan.

Q22 plans and pricing

All plans
Q22 Free GPL-3.0-or-later · Linux (Fedora currently) · Windows catch22.net · 5 Oct 2026

Compared on hex editors

Supported platforms
Windowscatch22.net
Binary templates
Yescatch22.net

Facts

Purpose
Q22 is a cross-platform binary file editor and the successor to Catch22 HexEdit for Windows.catch22.net · 5 Oct 2026
Editing
It can open and edit binary files, including large files, with cut, copy, paste, insert, delete, undo and redo.catch22.net · 5 Oct 2026
Data views
It displays data as hexadecimal, decimal, octal, binary or text, and groups bytes as 8-bit, 16-bit, 32-bit or 64-bit values.catch22.net · 5 Oct 2026
Structure View
Structure View supports PE and ELF files, can expand their headers, sections, imports, exports and symbols, and accepts custom .strata definitions in Strata.catch22.net · 5 Oct 2026
Disassembly
The disassembler supports x86 64-bit, x86 32-bit, ARM, ARM Thumb and AArch64, and detects PE and ELF entrypoints automatically.catch22.net · 5 Oct 2026
Bookmarks
Users can bookmark and highlight positions in the hex display, and bookmark state is saved for future use.catch22.net · 5 Oct 2026
Import and export
Supported clipboard, import and export formats include hex, ASCII/text, raw data, Base64, UUEncode, Intel HEX, Motorola S-records, HTML, C++, C and assembler-style data.catch22.net · 5 Oct 2026
Other tools
The interface includes file properties, checksum calculation and string extraction panels.catch22.net · 5 Oct 2026
Customization
Q22 offers light, dark and system themes, built-in and custom palettes, configurable preferences, a custom titlebar and docked panels.catch22.net · 5 Oct 2026
Window integration
Its platform-specific window chrome supports Windows, KDE/KWin and GNOME/Mutter.catch22.net · 5 Oct 2026
Platforms
The page lists Linux (Fedora currently) and Windows as supported platforms and says more are to come.catch22.net · 5 Oct 2026
License
Q22 is licensed under GPL-3.0-or-later.catch22.net · 5 Oct 2026
Release
The GitHub releases page lists q22 3.3.0, dated 2026-09-12.github.com · 5 Oct 2026
Maker
The maker's About page identifies James Brown and says he lives in Hampshire, UK; it does not state a founding date.catch22.net · 5 Oct 2026

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Where it ranks on Specifiction

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Sources