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Count lowercase letters and check the case balance of a text.
0
lowercase letters
Uppercase characters remaining
None — the text is entirely lowercase.
The Lowercase Letter Counter counts lowercase letters, reports the uppercase total for comparison and shows the balance between them. It is the fastest way to confirm that a case conversion actually took — any surviving capitals are listed for you.
The lowercase count is the quiet half of a case analysis, and it is the one that matters when you are checking whether a conversion actually worked. Run a document through a lowercase converter and this tells you immediately whether any capitals survived — a common outcome when the text contains characters the converter did not recognise.
Alongside the lowercase total you get the uppercase total, the ratio between them, and the share of all letters that are lowercase. Ordinary English prose runs at about 95 per cent lowercase; anything far below that is either a headline, an acronym-heavy technical document or a mistake.
Any remaining uppercase characters are listed individually, which is how you spot the ones a converter skipped.
Ordinary prose runs about 95 per cent lowercase, so a figure far from that flags headings, acronyms or a formatting fault.
Arabic, Hebrew and CJK characters have no case and are counted separately rather than being miscounted as lowercase.
Digits, punctuation and symbols have no case, so they are reported on their own line instead of skewing the ratio.
Edit the text in place and every figure updates immediately, with nothing sent to a server.
The document, code or converted output you want to check.
The headline figure counts every lowercase letter in the text.
The uppercase count and the lowercase percentage sit beside it for comparison.
Any remaining uppercase characters are listed, which is how you spot what a case conversion missed.
Around 94 to 96 per cent of the letters in ordinary prose. Capitals appear mainly at sentence starts and in proper nouns, so a much lower figure usually signals headlines, acronyms or a formatting problem.
No. Only letters have a case, so digits, punctuation and symbols are excluded from both the upper and lower totals and reported separately.
Yes. Accented Latin letters, Greek and Cyrillic all have upper and lower forms and are counted correctly. Scripts without case, such as Arabic, Hebrew and CJK, are counted as caseless characters.
Because a stray capital means something in the text was not converted — often a character from a script the converter handled differently, or text pasted in after the conversion ran.
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