Sentence Case Converter
Convert text to sentence case - capitalize only the first letter of each sentence.
Quick answer
Convert text to sentence case - capitalize only the first letter of each sentence.
How do I use the Sentence Case Converter?
- 1
Paste your text.
- 2
See sentence-case output instantly.
- 3
Copy or download the result.
What is the Sentence Case Converter?
The Sentence Case Converter rewrites your text so only the first letter of each sentence is capitalized. It is the standard for prose, articles and body copy.
Who is the Sentence Case Converter for?
Writers rescuing all-caps drafts, editors normalising submissions, students fixing accidentally shifted-lock paragraphs, and marketers cleaning body text.
Why use the Sentence Case Converter?
- Standards-compliant sentence case.
- Handles ., ! and ? sentence endings.
- Unicode-aware.
- Instant preview.
- Runs offline.
When should I use the Sentence Case Converter?
- Fixing a paragraph typed with caps-lock on.
- Converting a headline back into body copy.
- Preparing prose for publication.
- Normalising imported text for a database.
- Rewriting an all-caps email.
Is the Sentence Case Converter safe and private?
Yes. This tool runs entirely inside your browser - your text is never uploaded, stored on our servers or shared with third parties. You can even disconnect from the internet after the page loads and it will keep working. That makes it safe for confidential notes, drafts, private messages and unpublished work.
How do I get the best results from the Sentence Case Converter?
- Manually re-capitalize proper nouns after conversion.
- For headings use Title Case instead.
- For every-word capitalization use Text Capitalizer.
- Combine with Remove Extra Spaces for a polished result.
Frequently asked questions
How does it detect sentences?
It capitalizes the letter after every . ! or ? followed by whitespace, plus the very first letter of the text.
Does it lowercase everything else?
Yes - for a clean start. If you want to preserve some capitals (like proper nouns) edit them afterwards.
Does it work with non-English?
Yes - Unicode letters are handled correctly.
Is my text uploaded?
No - everything happens in your browser.
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