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Free Auto Capitalize Sentences Online

Simple tool to automatically capitalize your sentences

What is the Auto Capitalize Sentences?

OpenL Auto Capitalize Sentences provides an effortless way to enhance your writing. Featuring real-time capitalization of the first letter of each sentence, this tool ensures that your text is always professional and easy to read. Ideal for writers of all levels, our platform automatically adjusts your sentences as you type, improving readability and making your content stand out. With OpenL, each sentence starts off perfectly, helping you achieve your writing objectives seamlessly.


  • Real-time Capitalization: No need for manual adjustments. Each sentence's first letter is automatically capitalized, improving writing efficiency and accuracy.
  • Improved Readability: The automated sentence capitalization feature makes your text easier to read and understand.
  • Enhanced Professionalism: Ensure all sentences start with a capital letter, giving a professional and polished impression.
  • Versatile Use Cases: Whether it's emails, blog posts, or academic papers, this tool helps maintain consistent writing style and high-standard text formatting.

Use Cases

  • Email Marketing: Ensure all business emails are correctly formatted, leaving a good impression on recipients.
  • Content Creation: Maintain consistent writing style in blogs and articles, enhancing SEO rankings and user experience.
  • Academic Writing: Reduce spelling and formatting errors, improving the professionalism and readability of your papers.

How to Use Auto Capitalize Sentences?

  1. Step 1

    Input or Paste Text

    Enter or paste the text you need to process into the tool.

  2. Step 2

    Automatic Processing

    The tool will automatically capitalize the first letter of each sentence without any extra effort from you.

  3. Step 3

    Copy Text

    Copy the processed text and paste it into your document or editor.

Frequently asked questions

Everything you need to know

What is OpenL?
OpenL is an AI-powered translation software that supports more than 100 languages, including English, Chinese, Japanese, Arabic, French, German, Hebrew, and Indonesian, making it ideal for professional translations. It utilizes AI and machine learning for accurate translations and provides content creation assistance, grammar correction and language learning features.
Is this app free?
OpenL provides 30 trial credits per day for free accounts, which can be used without logging in. To obtain more credits, you can purchase a Subscription account.
How many characters can I translate at once?
You can translate 1,500 characters at a time in the free plan. Need more? Upgrade to the paid plan, which handles up to 100,000 characters per translation.
How many languages does OpenL Translate support?
OpenL Translate provides translation services in over 100 languages, including widely spoken ones like English, Arabic, French, Russian, and Spanish, along with unique languages such as Ancient Greek, Old Norse, Toki Pona, and Emoji. Enjoy fast and accurate AI-powered translations.
What payment methods are available?
We currently accept Cards (Visa, Mastercard, Amex, Discover, Diners Club, JCB), Apple Pay, Google Pay and PayPal. Additional payment methods may be available based on your country.
Do students get education discounts?
Yes! If you're a student or teacher with an edu email, email us at [email protected] to receive a 30% education discount code.
What happens to my documents after they are translated?
Your privacy is our priority. We don't store any of your translation data. Once the translation is done, all data is immediately deleted. The translation history remains only in your local browser and is never uploaded to our servers.
Can I request a refund?

Subscribers can unsubscribe at anytime, with cancellations taking effect after the current billing cycle ends.

Subscribers are responsible for fully testing our service before ordering a subscription, as refunds are not available for subscribers.

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