Case converter

Change text to uppercase, lowercase, title case, sentence case or capitalise each word.

Processed on your device
Open a text file
Open a local UTF-8 text file5 MiB maximum. Files open locally and wait for Run tool.Or drop a file here.

Result

How to use this tool

  1. Paste text or an identifier.
  2. Choose the desired case style.
  3. Identifier styles split spaces, punctuation and camel-case word boundaries.

Things to know

  • Title case uses APA rules. Each Word capitalises every word. Use Title capitaliser for AP or Chicago styles. Sentence case cannot recognise proper names.
  • Each text input accepts up to 5 MiB. Output is limited to 25 MiB and combined text settings to 1 MiB.
  • Line-based modes accept up to 100,000 lines, including a trailing empty line.
  • Identifier-style conversions accept at most 250,000 words. Editorial title case accepts at most 250,000 words per line.

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