Uppercase Converter
Convert text to UPPERCASE, with correct handling of German umlauts and the letter ß. It runs entirely in your browser — no signup, no installation, and nothing you paste or drop leaves your device.
What the Uppercase Converter Does
This converter rewrites text into capitals while you type: paste into the first box and the second box shows the uppercase version immediately. The conversion runs character by character with Unicode case mapping, so German umlauts become Ä, Ö and Ü, and the sharp s follows the German spelling rule: ß and ẞ are both written as SS. Because one character can become two, the result may be longer than the input. Other languages work too: Cyrillic and accented Latin letters such as é or à are uppercased, while digits, punctuation and emoji stay unchanged. The counters show characters, words and lines of your input, plus how many characters were not uppercase yet. What it does not do: it never guesses, so there is no way to know from STRASSE whether the original was Straße or Strasse. Everything runs locally in your browser.
Was der Großbuchstaben-Konverter macht
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What is Uppercase Converter?
Uppercase Converter is a free online text tool built for writers, editors, students and anyone cleaning up copy. Convert text to UPPERCASE, with correct handling of German umlauts and the letter ß In practice you paste your text, convert it to upper case, with umlauts and the letter sharp s handled correctly, and then copy the result.
Nothing you paste is uploaded: the conversion runs as JavaScript inside your browser tab, so drafts, manuscripts and internal documents stay on your machine.
How to use Uppercase Converter
- Paste your text.
- Convert it to upper case, with umlauts and the letter sharp s handled correctly.
- Copy the result.
Uppercase Converter FAQ
Is Uppercase Converter free to use?
Yes. Uppercase Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits.
Is my data uploaded anywhere?
No. Uppercase Converter runs entirely in your browser, so the text, file or number you enter never leaves your device.
Does Uppercase Converter work on a phone or tablet?
Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create.
How do I use Uppercase Converter?
Paste your text. Convert it to upper case, with umlauts and the letter sharp s handled correctly. Copy the result.