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Latest Version
CotEditor 7.0.7 LATEST
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Review by
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Operating System
macOS 15.0 Sequoia or later
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User Rating
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Author / Product
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Filename
CotEditor_7.0.7.dmg
CotEditor is exactly made for macOS. It looks and behaves just as macOS applications should. CotEditor for macOS launches so quickly that you can write your text immediately when you want to.
The app is developed as an open-source project that allows anyone to contribute.
Features and Highlights
Syntax Highlighting
Colorize more than 50 pre-installed major languages like HTML, PHP, Python, Ruby, or Markdown. You can also create your own settings.
Split Editor
Split a window into multiple panes to see different parts of your document at the same time.
Powerful Find & Replace
Super powerful find and replace using the ICU regular expression engine.
Character Inspector
Inspect Unicode character data of each selected character in your document and display them in a popover.
Setting via Click
There are no complex setting files that require geek knowledge. You can access all your settings including syntax definitions and themes from a normal preferences window.
Scriptable
Make your own macro in your favorite language, whether it is Python, Ruby, Perl, PHP, UNIX shell, AppleScript, or JavaScript.
Auto Backup
You don't need to lose your unsaved data anymore. Cot Editor for Mac backups your documents automatically while editing.
Incompatible Characters
Check and list-up the characters in your document that cannot be converted into the desired encoding.
Outline Menu
Extract specified lines with the predefined syntax and you can jump to the corresponding line.
CJK Language Friendly
Estimate various file encodings accurately, toggle to vertical text mode and keep its line-height correctly.
How to Use
- Open CotEditor from your Applications folder
- Create a new file or open an existing one
- Choose your preferred syntax style from the toolbar
- Customize appearance via Preferences
- Use search and replace for quick editing
- Enable auto-save or version control if needed
- Save your file in your desired format
- Use scripts for advanced automation
- Check updates regularly for new features
macOS 10.15 (Catalina) or later
Intel or Apple Silicon (Universal app)
At least 50 MB of free disk space
4 GB RAM or more recommended
Internet connection for updates (optional)
PROS
- Lightweight and fast performance
- Native macOS look and feel
- Excellent syntax highlighting
- Supports scripting with AppleScript
- No ads, open-source, and free
- Limited advanced IDE features
- No built-in FTP or SSH support
- Few third-party plugins available
- Basic autocomplete functionality
- Mac-only, no cross-platform version
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CotEditor 7.0.7 Screenshots
The images below have been resized. Click on them to view the screenshots in full size.
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What's new in this version:
Improved:
- Improve the performance of saving a large document encoded in Western (ASCII)
- Improve overall stability and performance
- [trivial] Keep the Find window height unchanged when the find result view is closed by dragging the divider
Fixed:
- Fix an issue where changes to the “Make file executable” option in a canceled save panel could be applied to a subsequent save
- Fix an issue where the app became unresponsive when a document was automatically updated due to an external modification while an alert for the document was displayed
- Fix an issue where the alerts about inconsistent line endings or an external modification could be displayed twice for the same document
- Fix an issue where text typed in an untitled document while another document was being opened could be lost without warning
- Fix an issue in the file browser where the “Open in New Window” command did not work for the file currently displayed as a preview
- Fix an issue where the Syntax toolbar menu was no longer updated once the toolbar customization dialog was opened
- Fix an issue where wrapped lines could be printed with an incorrect indentation width when hanging indentation was enabled
- Fix several issues in editing commands with multiple cursors or selections
- Fix an issue where the “Shift Left” command could crash the app when the selection started within the indentation
- Fix an issue where the app could crash when selecting a completion candidate in the Touch Bar
- Fix an issue where the app could become unresponsive when modifying the selection word by word in text containing combining characters
- Fix an issue where setting the tab width to zero with AppleScript could crash the app
- Fix an issue where the automatic outdent when typing a closing symbol, such as “}”, removed only a single character instead of a whole indent level in space-indented documents when the tab character is preferred for indentation
- Fix an issue where the “URL Encode” command could fail for selections containing an invalid percent-encoding sequence, such as a standalone “%”
- Fix an issue where expanding the selection to the beginning of the line discarded the selected range ahead of the anchor when the selection was made from left to right
- Fix several issues in modifying the selection in documents containing inconsistent CRLF line endings
- Fix an issue where the insertion point could move to an unexpected position after typing a quotation mark when the Smart Quotes substitution is enabled
- Fix the Portuguese localization
- [trivial] Fix an issue where the help button in the Completion pane of the syntax editor opened the Highlighting help page
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