Q22

Windows · Linux

Visit site Alternatives

Freedom report

Two barsScore 6.4

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely2 of 6 device platforms
DocumentedPlans, terms and facts published

Q22 is ranked #11 of 31 in hex editors on Freedom251. 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: Windows
Binary templates: Yes

Best Q22 alternatives

See all 20

Two bars Bedrock Viz Free tier No. 1Free6.6 Two bars BinEd Free tier No. 2Free6.6 One bar dhex Free tier No. 3Free6.5 Two bars ImHex Free tier No. 4Free6.5 Two bars REHex Free tier No. 5Free6.5 Two bars wxHexEditor Free tier No. 6Free6.5

The record

Purpose: Q22 is a cross-platform binary file editor and the successor to Catch22 HexEdit for Windows.
Editing: It can open and edit binary files, including large files, with cut, copy, paste, insert, delete, undo and redo.
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.
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.
Disassembly: The disassembler supports x86 64-bit, x86 32-bit, ARM, ARM Thumb and AArch64, and detects PE and ELF entrypoints automatically.
Bookmarks: Users can bookmark and highlight positions in the hex display, and bookmark state is saved for future use.
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.
Other tools: The interface includes file properties, checksum calculation and string extraction panels.
Customization: Q22 offers light, dark and system themes, built-in and custom palettes, configurable preferences, a custom titlebar and docked panels.
Window integration: Its platform-specific window chrome supports Windows, KDE/KWin and GNOME/Mutter.
Platforms: The page lists Linux (Fedora currently) and Windows as supported platforms and says more are to come.
License: Q22 is licensed under GPL-3.0-or-later.
Release: The GitHub releases page lists q22 3.3.0, dated 2026-09-12.
Maker: The maker's About page identifies James Brown and says he lives in Hampshire, UK; it does not state a founding date.
Price from: Free

Where it ranks on Freedom251

Best Hex Editors in 2026#11 of 31

Is Q22 yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote Q22

Sources

catch22.net/projects/q22/· checked 5 Oct 2026
github.com/strobejb/q22/releases/tag/v3.3.0· checked 5 Oct 2026
catch22.net/about/· checked 5 Oct 2026