Uppercase converter

Change text to uppercase with locale-aware Unicode casing.

Input text

Text is processed only on this device. Standard limit: 5 MiB; JSON and Base64: 2 MiB.

0 characters · 0 words · 0 lines · 0 sentences

How to use

Paste the text you want to uppercase converter, choose any available options, then select Transform. The result remains in this browser tab.

Example

Uppercasing keeps punctuation and whitespace unchanged. Input: “Olá, mundo!”. Output: “OLÁ, MUNDO!”.

Uses

Use uppercase converter when the output needs one specific, repeatable text transformation rather than a manual edit.

Limitations

This tool follows the documented engine rules. Uppercasing keeps punctuation and whitespace unchanged. Review the result when language context, terminology, or formatting conventions matter.

Local privacy

Your input and result are processed locally on this device. Convertca does not put tool text in URLs, analytics, or saved histories.

Task-specific guidance

Use it for acronyms, compact labels, and source text that must match an uppercase convention.

FAQ

Does it send my text anywhere? No. Ordinary transformations run locally; use Copy or Download only when you choose to take the result elsewhere.

Verified examples

Uppercasing keeps punctuation and whitespace unchanged.

Input: Olá, mundo!
Output: OLÁ, MUNDO!