Case Converter
Case Converter is a free online Text Tools tool that switch text between uppercase, lowercase, title case, sentence case and more instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.
Description
Switch text between uppercase, lowercase, title case, sentence case and more.
- Because everything is computed client-side, Case Converter is safe to use with sensitive data such as API keys, tokens or private logs.
How to use
Using Case Converter takes three steps:
- Paste your data into the input box (or load the example).
- Configure the options to match your target format or scenario.
- Copy, download or inspect the output — it updates live as you type.
Examples
These ready-made examples show typical inputs and the exact output Case Converter produces for them.
the quick brown FOX jumps over
All case modes in one tool.
Use cases
Common situations where Case Converter helps:
- Switch text between uppercase, lowercase, title case, sentence case and more.
- Because everything is computed client-side, Case Converter is safe to use with sensitive data such as API keys, tokens or private logs.
FAQ
What is Case Converter?
Case Converter switch text between uppercase, lowercase, title case, sentence case and more. It runs entirely in your browser, so your data stays private.
Is Case Converter free to use?
Yes. Case Converter is free, unlimited and works without registration or installation.
Does my data get uploaded?
No. All processing happens locally in your browser; nothing is sent to any server.