Uppercase converter
Letter case is changed using language-neutral rules.
Convert text to uppercase.
About this tool
The uppercase converter changes letters to uppercase while preserving numbers, punctuation, spacing, and line breaks. Use it to prepare headings, normalize reference codes, or compare values without case differences. Language-neutral rules produce consistent results for code and data. Paste a sentence, list, or larger text block, run the conversion, and copy the uppercase version from the result field.