Sentence Case Converter
⚡ Enter Your Text
What Is a Sentence Case Converter?
A sentence case converter is a free online tool that transforms your text into proper sentence case — where only the first letter of each sentence is capitalized, and everything else is lowercase.
Why Use Our Converter?
Our tool runs entirely in your browser. It is fast, private, and offers 6 modes in one place, including a smart “Clean+Case” mode that also fixes extra spaces and capitalization.
Modes Included
- 📝 Sentence Case — first letter of each sentence
- 📄 Paragraph — first letter of each paragraph
- 🧹 Clean + Case — fix spacing AND capitalization
- 🔤 Title Case — Every Major Word Capitalized
- 🔠 UPPERCASE — ALL LETTERS CAPITALIZED
- 🔡 lowercase — all letters small
Sentence Case Rules
Perfect For
❓ Frequently Asked Questions
Is this sentence case converter free?
Yes, our sentence case converter is 100% free with no signup and no limits.
What is the difference between sentence case and title case?
Sentence case capitalizes only the first letter of each sentence. Title case capitalizes the first letter of every major word.
What does “Clean + Case” do?
It removes extra spaces and capitalizes the first letter of every sentence — perfect for fixing messy text.
Does it store my text?
No. Everything runs in your browser. Your text never leaves your device.
Does it work on mobile?
Yes, fully responsive on phones, tablets, and desktops.
