Sentence counting tool
Online Sentence Counter
Paste text and count sentences instantly with word count, character count, paragraph count, readability, and long sentence warnings.
- Free
- No Signup
- Private Browser-Based Tool
- Works on Mobile
Private browser-based tool
Online Sentence Counter
Paste text and count sentences instantly with word count, character count, paragraph count, readability, and long sentence warnings.
What does an online sentence counter do?
An online sentence counter finds sentence-ending punctuation and estimates how many complete sentences are in your text. It helps writers check structure, pacing, paragraph balance, and readability before publishing, submitting, or sending a draft.
Who is this tool best for?
Best for essay sentence count, paragraph sentence count, academic drafts, blog editing, email editing, and SEO content review.
- Count sentences in pasted text
- Check paragraph sentence balance
- Find very long sentences
- Compare sentence count and word count
- Improve short-form and long-form writing
- Review drafts on mobile before sending
Simple workflow
How to Use Online Sentence Counter
Paste or type text
Add your draft, article, essay, caption, email, script, or document to the text box.
Review instant results
Check the live stats, warnings, table, or formatted output without refreshing the page.
Edit for clarity
Use the signals to shorten, format, clean, or improve the text for real readers.
Copy or download
Copy the final text or download a TXT file when you are ready.
Quick reference
Common Sentence Count Checks
Use these ranges as practical editing guides. Exact requirements can vary by school, publisher, platform, or client.
| Use | Guide |
|---|---|
| Essay draft | Check total sentences and paragraph balance |
| Blog post | Review pacing and long sentences |
| Keep messages short and clear | |
| Speech script | Compare sentence count with speaking time |
| SEO article | Balance readability with topical coverage |
Works for English Writing Worldwide
SentencesCounter is built for English writing used in the United States, United Kingdom, Canada, Australia, New Zealand, Ireland, South Africa, and international English-language teams that publish in English.
Privacy-First Browser Processing
The tool runs in your browser. It does not require signup and does not upload your pasted draft by the counter. This is useful for essays, emails, business documents, scripts, and unpublished website copy.
Helpful answers
Frequently Asked Questions
Can I count sentences online for free?
Yes. Paste your text into the online sentence counter and it will update the sentence count instantly.
Does it count questions and exclamations?
Yes. It treats question marks and exclamation marks as sentence endings when they appear in normal text.
Does it handle abbreviations?
The tool protects common abbreviations such as Dr., Mr., U.S., e.g., and i.e. to reduce false sentence breaks.
Is this good for school essays?
Yes. It helps students review sentence count, word count, paragraph count, estimated pages, and readability.
Can teachers use it?
Yes. Teachers can use it to review sentence length, paragraph structure, and writing complexity in student drafts.
Does it work on phone?
Yes. The page is mobile-first and works on phones, tablets, laptops, and desktops.
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