Text Case Converter
Switch text between uppercase, lowercase, title case, sentence case, and more in one paste.
HELLO WORLD FROM SOUNEZ!
hello world from sounez!
Hello World From Sounez!
Hello world from sounez!
helloWorldFromSounez!
hello-world-from-sounez
hello_world_from_sounez
What Text Case Converter does
Transforms the casing of your pasted string instantly.
Features
Many modes
Upper, lower, title, sentence, alternating, and more.
Live output
See result as you paste.
Copy
Grab converted text quickly.
Real examples
CSS class
my-button-component -> MY-BUTTON-COMPONENT for a constant.
Headline fix
ALL CAPS press release -> Title Case for web.
How to use Text Case Converter
- 1
Paste source text.
- 2
Pick a case style.
- 3
Copy the result.
Who it is for
Developers
Fix constants and CSS class names.
Editors
Normalise headings from ALL CAPS drafts.
Data cleanup
Fix exported CSV labels.
Pro tips
- Keep a backup before bulk-changing legal text.
- Use sentence case for body copy.
Common mistakes
- Title-casing articles (a, the) when style guides differ.
- Changing meaning in case-sensitive passwords.
Privacy note
Processed in your browser only.
When not to use this tool
Not for translating languages or fixing typos.
Frequently Asked Questions
Unicode?
Works with most common characters; test special scripts if unsure.
Saved?
No.
camelCase and kebab-case?
Yes - along with upper, lower, title, and sentence modes.
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Open toolRead next on the blog
Practical guides and how-tos from the Sounez blog.
