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Convert Text to UPPER CASE Online

Instant text case conversion: uppercase, lowercase, transliteration and URL slug generation.

Processing... 0%
Scanning text blocks
Splitting sentence structures
Transforming registers
Done

Result

This page opens the case converter with “UPPER CASE” already selected — paste your text, run it and copy the result.

UPPERCASE turns every letter into capitals — handy for headings, form fields that demand caps, or undoing an accidental Caps Lock paragraph the other way round.

Need a different transformation? The full tool also does sentence case, title case, slugs and more — everything runs locally in your browser and your text never leaves it.

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Executed in Browser

Your files and inputs never leave this device. Processing runs completely offline. 100% Secure.

Accepted Formats & Rules

  • Supports Title, UPPER, lower, Sentence, Alternating, and Slug case.
  • Live statistics: displays word and character counts.
  • Clipboard integration.

Key Benefits

✓ Client-side tool: Your text is never sent across any network, securing sensitive text data.
✓ Grammar Sentence Case: Capitalizes sentences precisely based on terminal punctuation (., ?, !).
✓ Slug Generator: instantly builds clean, lowercase web URL slugs.

Use Cases

  • • Have you accidentally typed text with Caps Lock and want to make it normal?
  • • Need to quickly create a nice and clean URL slug from your article title?
  • • Do you want to standardize headers or variable names in your code (CamelCase, snake_case)?