DeltaHex Editor

Compatible with: IntelliJ IDEA PhpStorm WebStorm PyCharm RubyMine AppCode CLion GoLand DataGrip Rider MPS Android Studio
Mar 07, 2018
8 584

Hexadecimal editor based on deltahex library. Use "Open as Hex" action in main "File" menu or in project files context menu.



  • 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 issue with byte array / NPE
  • Added "Show as hex" action for debugger (native types and native arrays only)
  • Show "Document changed" dialog on window close
  • Fixed Unknown property name: 'modified' (issue #3)

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