String to Uppercase Converter
Convert any string or text to UPPERCASE letters instantly in your browser.
Text Tools Runs in your browser
How do you convert a string to uppercase?
A string to uppercase converter changes every letter in your text to its capital form, so "hello world" becomes "HELLO WORLD". Numbers, spaces and punctuation are left untouched. Snabbit converts the text instantly as you type, entirely in your browser, so whatever string you paste is never uploaded to a server.
How to use the String to Uppercase
- 1 Type or paste your text into the input box.
- 2 The UPPERCASE version appears instantly on the right.
- 3 Numbers, spaces and punctuation stay exactly as they were.
- 4 Copy the uppercase result.
What you can use it for
- Making headings or titles stand out in ALL CAPS.
- Normalising codes or reference numbers to uppercase.
- Shouting a short message for emphasis.
- Preparing constants before snake_case conversion.
Frequently asked questions
Does it change numbers or symbols?
No. Only letters have an uppercase form, so digits, spaces and punctuation pass through unchanged while every letter is capitalised.
Does it work with accented letters?
Yes. Accented and non-English letters are uppercased using standard Unicode rules, so "café" becomes "CAFÉ".
How do I undo it?
Paste the result into the String to Lowercase converter to turn the capitals back into small letters.
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