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Text Tool

Sentence Counter

Count the exact number of sentences in any text — ideal for checking readability and writing clarity.

🔒 Private — text never leaves your browser ⚡ Real-time results 🚫 No login required ∞ No limits
Switch tool: 📝 Word Counter 🔢 Character Counter 📄 Sentence Counter ¶ Paragraph Counter ⏱ Reading Time Estimator 📏 Text Line Counter 📊 Word Frequency Counter 🔑 Unique Word Counter 🔍 Longest Word Finder
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💡 Aim for an average sentence length of 15–20 words for best readability scores.

📖How to Use the Sentence Counter

  1. 1
    Paste your text

    Click the text area and paste (Ctrl+V / Cmd+V) or click the Paste button. You can also type directly.

  2. 2
    Read your results instantly

    All 8 metrics update in real time as you type. The highlighted card shows the primary metric for Sentence Counter.

  3. 3
    Switch between tools

    Use the switcher bar below the hero to jump to any related counter without re-pasting your text.

  4. 4
    Download your stats

    Click Download Stats to save a .txt report with all your metrics — useful for reports or submissions.

📏Content Length Reference

Content TypeIdeal Length
Tweet / X Post≤ 280 chars
Meta Description150–160 chars
Instagram Caption125–150 words
LinkedIn Post150–300 words
Short Blog Post300–600 words
Standard Blog Post1,000–1,500 words
Long-form SEO Article2,000–3,000 words
Academic Essay2,500–5,000 words

Frequently Asked Questions

How does the sentence counter detect sentences?

Sentences are detected by full stops, exclamation marks and question marks. Abbreviations like "Dr." may occasionally be counted as sentence endings.

Why would I need to count sentences?

Sentence count is a key readability metric. Shorter sentences improve reading ease. Tools like Flesch Reading Ease use sentence count in their formulas.

What is a good sentence count for a blog post?

A 1,000-word blog post typically has 50–70 sentences. Mix short and long sentences for natural reading flow.

What is the average words per sentence for readability?

15–20 words per sentence is the sweet spot for most online content. Academic writing can go up to 25–30 words per sentence.

Is my text private?

Yes. All processing is done locally in your browser. Nothing is ever sent to a server.