Does Letter Case Converter handle very long lines?

Yes. Individual lines of any length are processed fine. Only total document size (memory) is a practical limit.

Does Letter Case Converter share anything with third parties?

No. Your text is never forwarded to any third party. Optional analytics only count page views, and are disabled until you consent.

No account, no email, no login. Just open the tool and use it. There is nothing to register for.

Yes, both Windows (CRLF) and Unix (LF) line endings are understood. Output uses the LF convention, which works everywhere.

Convert text to uppercase, lowercase, title case, sentence case, or toggle case.

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Does Letter Case Converter handle very long lines?: Yes. Individual lines of any length are processed fine. Only total document size (memory) is a practical limit.
Does Letter Case Converter share anything with third parties?: No. Your text is never forwarded to any third party. Optional analytics only count page views, and are disabled until you consent.
Do I need an account to use Letter Case Converter?: No account, no email, no login. Just open the tool and use it. There is nothing to register for.
Does Letter Case Converter support Windows CRLF line endings?: Yes, both Windows (CRLF) and Unix (LF) line endings are understood. Output uses the LF convention, which works everywhere.