Fix caps lock mistakes instantly. Convert any text into clean sentence case in one click.
Sentence case = first letter of each sentence capitalized, rest lowercase (proper nouns are not detected automatically).
Convert Text to Sentence Case in Seconds
Text formatting shouldn’t slow you down — but it often does.
You copy content from different sources, AI tools, emails, or documents, and suddenly the capitalization is all over the place.
That’s where this Sentence Case Converter helps.
With this free tool, you can convert any text into proper sentence case instantly. Just paste your text, click once, and get clean, readable sentences — no manual fixing required.
It’s quick, simple, and works entirely in your browser.
Sentence case means:
Example:
before: this IS an EXAMPLE sentence.
after: This is an example sentence.
Sentence case is the most natural and widely accepted text format for:
This sentence case converter online ensures your text follows this standard automatically.
The tool is intentionally straightforward — no settings, no confusion.
Step 1: Paste Your Text
Add any text you want to convert.
It works for short lines, paragraphs, or long-form content.
Step 2: Click Convert
The tool instantly analyzes your text and applies correct sentence capitalization.
Step 3: Copy the Result
Your sentence-case formatted text is ready to use anywhere.
No downloads.
No sign-ups.
No waiting.
This tool focuses on doing one thing really well.
Free & Unlimited
Use the sentence case converter as many times as you want — there are no limits.
Instant Conversion
Text is converted immediately with a single click.
Browser-Based Tool
Everything runs inside your browser. Nothing is uploaded or stored.
Works on All Devices
Use it on desktop, tablet, or mobile without issues.
Clean & Accurate Formatting
Automatically fixes inconsistent capitalization while keeping punctuation intact.
Manually fixing capitalization might seem easy — until you’re dealing with large blocks of text.
Here’s why people use a text case converter like this one:
Improves Readability
Sentence case makes text easier to read and understand.
Saves Editing Time
No need to retype or manually adjust every sentence.
Fixes AI-Generated Text
AI tools often produce inconsistent casing. This tool cleans it up instantly.
Keeps Writing Professional
Proper capitalization makes content look polished and intentional.
Whether you’re editing a blog post or cleaning up notes, this tool keeps things simple.
Not all text cases are the same. Here’s a quick comparison:
Sentence Case
This is how normal sentences are written.
Best for articles, blogs, and general writing.
Lowercase
everything is lowercase.
Useful for usernames or code, not for readable content.
Uppercase
ALL LETTERS ARE CAPITALIZED.
Can feel aggressive or hard to read.
Title Case
Each Word Starts With A Capital Letter.
Used for headlines and titles.
Capitalize Each Word
Similar to title case but often used incorrectly in body text.
The sentence capitalization tool helps you choose the most natural format for everyday writing, but if you’re looking to convert text into other case formats, you can try our free case converter tool for lowercase, uppercase, and title case options.
People use this tool in more ways than you might expect:
Anywhere text needs to look clean and readable, sentence case works best.
Here’s how the conversion looks in real life.
Input Text:
THIS IS A SAMPLE TEXT. it was copied FROM multiple sources.
Output Text:
This is a sample text. It was copied from multiple sources.
No manual effort. No mistakes.
This tool focuses on doing one thing really well.
Free & Unlimited
Use the sentence case converter as many times as you want — there are no limits.
Instant Conversion
Text is converted immediately with a single click.
Browser-Based Tool
Everything runs inside your browser. Nothing is uploaded or stored.
Works on All Devices
Use it on desktop, tablet, or mobile without issues.
Clean & Accurate Formatting
Automatically fixes inconsistent capitalization while keeping punctuation intact.
You can also try our other free text and formatting tool, check out our free Case converter tool or free Word Counter tool.
Yes. The tool is completely free with unlimited use.
Absolutely. The tool supports long-form content.
No. All processing happens in your browser, and your text remains private.
No. It only corrects capitalization, not grammar or spelling.