Alternatives to Okteta
HexEd.it is a free, browser-based hex editor for inspecting and editing binary files and hexadecimal data.
Bedrock Viz parses Minecraft Bedrock Edition world files and turns them into overview images and reports.
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010 Editor
010 Editor is a text and hex editor for working with text and binary data on Windows, macOS, and Linux.
LinuxmacOSWindows6.6 - 5
BinEd
BinEd is a free, open-source binary and hex viewer and editor written in Java.
Free planAndroidWebLinuxmacOS6.6Free plan - 6
Hecate
Hecate is a free terminal hex editor for inspecting and changing file bytes.
Free planLinuxmacOSWindows6.5Free plan - 7
Hiew
Hiew is a Windows console program for viewing and editing files in text, hex, and disassembler modes.
Free planWindows6.5$25 one-time - 8
CombineZP
CombineZP is Windows software for focus stacking: it combines in-focus areas from multiple photographs to create an image with greater depth of field.
Free planWindows6.4Free plan - 9

REHex
REHex is a free hex editor for reverse engineering and other work with binary data.
Free planLinuxmacOSWindows6.3Free plan - 10
dhex
dhex is a free hex editor for binary files with a diff mode for comparing two files.
Free planLinuxmacOS6.2Free plan - 11

Hexinator
LinuxWindows6.2$44.99 one-time - 12

ImHex
ImHex is a free hex editor for reverse engineers and programmers, available on Linux, macOS, and Windows.
Free planLinuxmacOSWindows6.1Free plan - 13
Synalyze It!
macOS6.1$44.99 one-time - 14
wxHexEditor
wxHexEditor is a free hex and disk editor for examining and changing binary data, with particular emphasis on large files on Linux.
Free planLinuxmacOSWindows6.1Free plan - 15
wxMEdit
wxMEdit is a free, open-source text and hex editor for Windows, Linux, and macOS.
Free planLinuxmacOSWindows6.1Free plan - 16
Q22
Q22 is a free, open-source binary file editor for Windows and Linux, and the successor to Catch22 HexEdit for Windows.
Free planLinuxWindows6.0Free plan - 175.9Free plan
- 18
Dataescher HexEditor
Windows5.9$10 one-time - 19

Hex Editor Neo
Hex Editor Neo is Windows software for editing binary files, including files of any size and physical disks such as HDDs, SSDs, optical discs and USB disks.
Free planWindows5.9Free plan - 20
Hex Fiend
Hex Fiend is a free, open-source hex editor for macOS that lets users inspect and change binary data.
Free planmacOS5.9Free plan - 21
HxD
HxD is a Windows hex editor for examining and changing files, raw disks, and main memory (RAM).
Free planWindows5.9Free plan - 225.7Free plan
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GNU hexedit
GNU hexedit is a free Linux terminal program for viewing and editing file contents as hexadecimal values or ASCII text.
Free planLinux5.7Free plan - 24
Hextor
Hextor is a free hexadecimal editor and binary data analysis toolkit for Windows.
Free planWindows5.7Free plan - 25
MiTeC HexEdit
Windows5.7€30 one-time - 26
WinHex
Windows5.6 - 275.4
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hexer
Hexer is a free multi-buffer editor for binary files, displaying buffer contents as a hex dump.
Linux5.2 - 29
GHex
GHex is a free hex editor for the GNOME desktop that opens binary files as raw data for editing.
LinuxmacOS5.1 - 305.1