Sentence Case Converter

Transform your text into perfectly formatted sentences with proper capitalization

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What is Sentence Case?

Sentence case is a capitalization style where only the first word of a sentence and proper nouns are capitalized, making text more readable and professional.

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How It Works

Our tool automatically detects sentence boundaries and capitalizes the first letter of each sentence while keeping other letters lowercase (except proper nouns).

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Best Uses

Perfect for essays, articles, professional emails, and any content where proper grammar and readability matter. Also great for formatting pasted text.

Master Proper Text Formatting

Sentence case is the standard capitalization style for most written content in English. Unlike title case (where most words are capitalized) or uppercase (ALL CAPS), sentence case follows natural language patterns that are easier to read and understand. Our tool helps you achieve perfect formatting instantly, saving you time from manual corrections.

Why Proper Capitalization Matters

Proper capitalization improves readability by up to 40% according to eye-tracking studies. It makes your content appear more professional and credible. Whether you're writing an important email, academic paper, or web content, correct sentence case formatting creates a positive impression on your readers.

Need different text formatting? Try our Title Case Converter for headings and titles.

Frequently Asked Questions

Sentence case capitalizes only the first word of a sentence and proper nouns, while title case capitalizes most words (except articles, conjunctions, and short prepositions). For example: "The quick brown fox" (sentence case) vs. "The Quick Brown Fox" (title case).

Yes, our advanced algorithm maintains capitalization for recognized proper nouns (names, places, brands) while converting the rest of the text to sentence case. However, we recommend reviewing the output for specialized terms.

Absolutely! Our tool processes all text you input, maintaining paragraph structure while converting each sentence to proper case. It detects sentence boundaries across paragraphs.

You can convert up to 10,000 characters at once. For longer texts, we recommend breaking them into sections to ensure optimal performance.