Case Converter
Switch between UPPER, lower, Title and Sentence case in one click — fix copy from any source.
How to Use This Case Converter
Step 1
Paste your messy or shouty text
Step 2
Pick the target case — UPPER, lower, Title or Sentence
Step 3
Review the converted output
Step 4
Hit Copy and paste it where you need it
What Is Case Converter?
Someone sent you a doc in ALL CAPS or with bROkEn caps and you need it presentable. Retyping every sentence is the slowest fix possible.
Paste the messy text, pick the case you want and the result appears instantly.
If you're cleaning client copy, you fix capitalization in seconds. If you're formatting headlines, you switch between Title Case and sentence case to compare. If you're prepping data for import, you normalize case to keep databases consistent.
Frequently Asked Questions
What's the difference between Title Case and Sentence case?
Title Case capitalizes most words. Sentence case only capitalizes the first word and proper nouns.
Tip: Most blog headlines use Title Case; modern web prefers Sentence case.
Will it preserve acronyms like NASA?
Standard conversion may lowercase them in Title or Sentence mode.
Tip: Manually fix acronyms after conversion if precision matters.
Does it handle non-English text?
It works on most Latin alphabets. Locale-specific rules (Turkish 'I') need a dedicated tool.
Tip: Test with one paragraph before converting an entire doc.
What does Toggle Case do?
It flips every uppercase letter to lowercase and vice versa.
Tip: Use it as a fast prank or to undo accidental Caps Lock.
Is it case sensitive in detection?
It re-cases every letter regardless of input.
Tip: Even fully shouty text becomes clean Sentence case in one click.
Can I convert just one paragraph?
Paste only the paragraph you want converted.
Tip: Run multiple paragraphs through different cases for comparison.