Toggle Text Case
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Transform selected text to lowercase or uppercase instantly in VS Code and Cursor.
Select text and press a shortcut — or place the cursor on a word with no selection. Works for code, config files, and plain text.
Features
- Transform to all lowercase or all uppercase; numbers and symbols stay unchanged
- Multi-cursor and multi-selection support
- Auto-converts the word at the cursor when nothing is selected
- In-place edit with full undo support (
Cmd/Ctrl+Z)
- Zero configuration — works out of the box
- UI available in 12 languages (follows VS Code display language)
Quick Start
- Select text in the editor (or place the cursor inside a word)
- Press the shortcut
- Text is replaced in place; the selection is preserved
Examples
| Before |
Lowercase |
Uppercase |
Hello World |
hello world |
HELLO WORLD |
userName |
username |
USERNAME |
API_KEY_123 |
api_key_123 |
API_KEY_123 |
Keyboard Shortcuts
| Action |
macOS |
Windows / Linux |
| Lowercase |
Cmd+Shift+L |
Ctrl+Shift+L |
| Uppercase |
Cmd+Shift+U |
Ctrl+Shift+U |
Other Ways to Run
Command Palette
Press Cmd/Ctrl+Shift+P and run the transform commands. Titles follow your VS Code display language (Configure Display Language).
Right-click in the editor and choose the lowercase or uppercase command.
FAQ
Shortcut not working? Ensure focus is in the editor; search toggleTextCase in Keyboard Shortcuts for conflicts.
Nothing selected? The word at the cursor is converted; blank lines are ignored.
Requirements
- VS Code
1.85.0 or later · Compatible with Cursor
Known Limitations
- Standard JavaScript case rules; some locale-specific characters may not convert as expected
- Word boundaries without a selection follow editor built-in rules
License
Proprietary software. Free for personal use; commercial use requires a paid license. See LICENSE. Contact: StudyExchange@163.com
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