Wednesday, 31 May 2023

Fhex - A Full-Featured HexEditor

This project is born with the aim to develop a lightweight, but useful tool. The reason is that the existing hex editors have some different limitations (e.g. too many dependencies, missing hex coloring features, etc.).

This project is based on qhexedit2, capstone and keystone engines. New features could be added in the future, PRs are welcomed.

  • Chunks loader - Used to load only a portion of large files without exhaust the memory (use alt + left/right arrows to move among chunks). Please note that in chunk mode, all the operations (e.g. search) applies only to the current chunk except for file save (the entire file is saved). However, each time you edit a chunk, save it before to move to another chunk, otherwise you will lose your changes.
  • Search and replace (UTF-8, HEX, regex, reverse search supported) [CTRL + F]
  • Colored output (white spaces, ASCII characters, 0xFF, UTF-8 and NULL bytes have different colors)
  • Interpret selected bytes as integer, long, unsigned long [CTRL + B]
  • Copy & Paste [CTRL + C and CTRL + V]
  • Copy selected unicode characters [CTRL + Space]
  • Zeroing all the selected bytes [Delete or CTRL + D]
  • Undo & Redo [CTRL + Z and CTRL + Y]
  • Drag & Drop (Hint: Drag&Drop two files to diff them)
  • Overwrite the same file or create a new one [CTRL + S]
  • Goto offset [CTRL + G]
  • Insert mode supported in order to insert new bytes instead to overwrite the existing one [INS]
  • Create new instances [CTRL + N]
  • Basic text viewer for the selected text [CTRL + T]
  • Reload the current file [F5]
  • Compare two different files at byte level
  • Browsable Binary Chart (see later for details) [F1]
  • Hex - Dec number converter [F2]
  • Hex String escaper (e.g from 010203 to \x01\x02\x03) [F3]
  • Pattern Matching Engine (see later for details)
  • Disassebler based on Capstone Engine [F4]
  • Assembler based on Keystone Engine [F4]
  • Zoom-Out/Zoom-In bytes view (CTRL + Up/Down or CTRL + -/+)
  • Shortcuts for all these features
Pattern Matching Engine

Fhex can load at startup a configuration file (from ~/fhex/config.json) in JSON format with a list of strings or bytes to highlight and a comment/label to add close to the matches.


"string" : "://www.",
"color" : "rgba(250,200,200,50)",
"message" : "Found url"
"bytes" : "414243",
"color" : "rgba(250,200,200,50)",
"message" : "Found ABC"

To activate pattern matching press CTRL + P At the end, Fhex will show also an offset list with all the result references. Note: Labels with comments are added only if the window is maximized, if labels are not displayed correctly please try to run pattern matching again.

Binary Chart

Fhex has the feature to chart the loaded binary file (Note: In order to compile the project, now you need also qt5-charts installed on the system). The y-axis range is between 0 and 255 (in hex 0x0 and 0xff, i.e. the byte values). The x-axis range is between 0 and the filesize.

The chart plots the byte values of the binary file and let you focus only on the relevant sections. For example, if in a binary file there is an area full of null bytes, you can easily detect it from the chart.



More info

  1. Hacker Tool Kit
  2. Hack Tool Apk
  3. Pentest Tools Framework
  4. Hacking Tools Hardware
  5. Github Hacking Tools
  6. Hacks And Tools
  7. Hacker Tools Software
  8. Hacking Tools 2020
  9. Hack Tools
  10. Hak5 Tools
  11. Hacker Tool Kit
  12. Github Hacking Tools
  13. Pentest Tools Website Vulnerability
  14. Hacking Tools Software
  15. Hacker Tools For Ios
  16. Hacker Tools List
  17. Hacker Tools Free
  18. Hacking Tools For Pc
  19. Hack Tools For Mac
  20. Nsa Hack Tools
  21. What Are Hacking Tools
  22. Black Hat Hacker Tools
  23. Hacking Tools Software
  24. What Is Hacking Tools
  25. Hacker Tools Hardware
  26. Pentest Tools Bluekeep
  27. Hack Tools For Mac
  28. Pentest Tools Linux
  29. Pentest Box Tools Download
  30. Hacker Tools
  31. Hacking Tools For Windows 7
  32. Hack Tools 2019
  33. Hacker Tools Hardware
  34. Bluetooth Hacking Tools Kali
  35. Hack Website Online Tool
  36. Best Pentesting Tools 2018
  37. Pentest Tools Kali Linux
  38. Pentest Box Tools Download
  39. Tools Used For Hacking
  40. Hacker Hardware Tools
  41. Hak5 Tools
  42. Best Hacking Tools 2020
  43. Pentest Tools For Windows
  44. Hacker Tools Online
  45. Wifi Hacker Tools For Windows
  46. Hacking Apps
  47. Hack Tool Apk No Root
  48. Hacker Security Tools
  49. Pentest Tools List
  50. Pentest Tools Free
  51. Android Hack Tools Github
  52. Ethical Hacker Tools
  53. Usb Pentest Tools
  54. Hacker Tools For Pc
  55. Hacker Tools For Ios
  56. Termux Hacking Tools 2019
  57. Nsa Hack Tools
  58. Hacking Tools Windows
  59. Pentest Tools For Android
  60. Hacker Search Tools