Case converter: what it is and how to use it
Case converter: Change letter case. Fast and free in your browser.
June 22, 2026 · 2 min read
Case converter: what it is and how to use it
What is Case converter?
Case conversion normalizes uppercase, lowercase, and Turkish-aware title modes. CodeGrid Tools transforms locally with privacy intact. Useful after imports. Pair with slug and cleanup tools. This guide explains when Case converter helps and how to run it step by step in CodeGrid Tools.
When is it useful?
- Change letter case
- Runs in your browser—no extra software required
How to use it in CodeGrid Tools
Step 1: Paste the Text
Enter the content you want to transform.
Step 2: Choose a Mode
Uppercase, lowercase, title case, sentence case, or reverse case.
Step 3: Copy
Copy the result to the clipboard.
Tips
- Use an up-to-date browser (Chrome, Edge, Firefox, or Safari).
- Large files may take longer depending on your device.
FAQ
Are Turkish İ and i converted correctly?
Yes. Conversions use the tr-TR locale, and title case and sentence case follow Turkish language rules.
Is multi-line text supported?
Yes. Paragraphs are preserved, and each line or block is transformed according to the rule you choose.
What about text that contains HTML tags?
The tool works on plain text. If you need to preserve tags, keep a backup first.
Use Case converter →