DeltaHex Editor

Compatible with: IntelliJ IDEA PhpStorm WebStorm PyCharm RubyMine AppCode CLion Gogland DataGrip Rider Android Studio
1 630

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

  • Fixed behavior for high precision wheel scrolling
  • Fixed loading after custom font saved
  • Fixed opening of read-only files

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