CotEditor

CotEditor is a lightweight plain-text editor for source code, notes, Markdown, web content, and more. Its clean, neat interface makes everyday editing simple and comfortable, while powerful tools support more advanced work when you need them.

Made for Mac

CotEditor is built exclusively for macOS and designed to feel at home from the start. It follows familiar system conventions, integrates seamlessly with features such as Dark Mode, Versions, iCloud, and VoiceOver, and keeps settings in a standard settings window, right where Mac users expect them.

Fast, Focused, and Ready for Real Work

CotEditor launches quickly, and its simple, well-organized interface helps you stay focused on your work. Built-in syntax highlighting for many popular languages and an outline menu based on syntax help you grasp the structure of your documents at a glance. When your work calls for more, CotEditor is ready with powerful find and replace, precise tools for editing text, scripting support, and the flexibility to tailor the details to your workflow.

Thoughtful About Text

CotEditor pays attention to the details that make plain-text editing reliable, from text encodings and line endings to Unicode normalization and diverse writing systems. It helps you see what’s really in your document by revealing invisible characters, warning about mixed line endings or characters that cannot be saved in the chosen encoding, and offering detailed character inspection. It also makes CotEditor comfortable across different writing systems and text conventions.

Key Features

• Syntax highlighting for more than 70 preset languages

• Powerful find and replace with regular expressions

• Live character, word, and line counts

• Auto Save with an option to avoid overwriting the original file

• Careful handling of text encodings and line endings

• Outline menu based on syntax

• Multi-cursor editing

• Sidebar folder navigation

• Character inspector with enlarged glyph and Unicode information

• Support for diverse writing styles, including CJK text, vertical text layout, and right-to-left text

• Various Unicode normalizations

• Command-line tool

• Scriptable in your favorite language

All features in CotEditor are available for free. In-app purchases are optional and support the project.

Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Privacy Policy: https://coteditor.com/privacy