DeltaHex Editor

Compatible with: IntelliJ IDEA PhpStorm WebStorm PyCharm RubyMine AppCode CLion Gogland DataGrip Rider Android Studio

Hexadecimal editor based on deltahex library. Use "Open as Hex" action in context popup menu to edit files in projects.



  • Show data as hexadecimal codes and text preview
  • Insert and overwrite edit modes
  • Support for selection and clipboard actions
  • Support for undo/redo
  • Support for encoding selection
  • Support for showing unprintable/whitespace characters
  • Codes can be also binary, octal or decimal
  • Searching for text / hexadecimal code with matching highlighting
  • Delta mode - Changes are stored only in memory till save
  • Support for huge files

Download plugin

Recent change notes

  • Added options dialog
  • Added values side panel
  • Added "File/Open File as Hex" action
  • Code colorization by byte value
  • Some minor fixes

General usage instructions

Use "Open as Hex" action in main "File" menu or in project files context menu.

Known Issues

  • Editor can freeze with OutOfMemoryError: Java heap space if there is too many big modifications

  • In delta mode files can be corrupted, if they are changed with other applications at the same time

  • Memory leaks

  • Poor integration into IDE