CotEditor: The Plain-Text Editor for macOS

5/23/2023, 4:40:10 PM
The Plain-Text Editor for macOS

CotEditor is exactly made for macOS. It looks and behaves just as macOS applications should.

CotEditor launches so quick that you can write your text immediately when you want to.

CotEditor is developed as an open-source project that allows anyone to contribute.


  • Syntax highlighting
  • Split view/ editor
  • File and replace in file(s)
  • Character inspector
  • Settings via click
  • Scriptable
  • Auto backup
  • Outline menu
  • CJK Language Friendly


Apache License, Version 2.0


macOS (Intel and Apple Silicon)
Homepage and Download

Source code

Download and explore the source code