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Highlight Sentence Length Varying sentence length creates rhythm and keeps readers hooked. Mix shortmediumand long sentences to avoid monotonyand use single words for dramatic impact. NEW
1 word Impact. Use for dramatic emphasis. 2–6 words Staccato. Functional and punchy. 7–15 words Standard flow. The sweet spot for readability. 16–25 words Complex. Good for connecting ideas. 26–39 words Long. Requires reader focus. 40+ words Very long. Use for crescendos; beware of run-ons.
Flow Score Flow Score measures how much your sentence lengths vary. A mix of shortmediumand long sentences usually feels more musical and engagingwhile many sentences of the same length in a row can feel monotonous.

    Speaking Time: 0h 0m 0s

    Reading Time: 0h 0m 0s

    Readability Score: Scores range from 0 to 100 on the Flesch Reading Ease scale. A higher score means the text is easier to read.

    Reading Level: Readability level indicates how complex the text is.

    Ideal Social Media Post Lengths

    X (Twitter) - 100 chars
    Facebook - 80 chars
    Instagram - 125 chars
    YouTube - 150 chars

    Common Essay Word Limits

    Argumentative Essay (500-2000 words)
    College Admission essay (250-650 words)
    Compare/Contrast Essay (500-1500 words)
    Expository Essay (500-1500 words)
    Graduate Admission Essay (500-1000 words)
    Graduate Essay (2500-6000 words)
    High School Essay (300-1000 words)
    Undergraduate Essay (1500-5000 words)

    Social Media Recommendations

    Technical Limit: 280 characters (4,000 for X Premium users)

    Recommended: 71-100 characters

    Why? Shorter posts have higher engagement and are easier to read quickly on a fast-scrolling platform.

    Technical Limit: 63,206 characters

    Recommended: 40-80 characters

    Why? Brief posts capture attention better and encourage interactions without overwhelming users.

    Technical Limit: 2,200 characters (including hashtags)

    Recommended: 138-150 characters

    Why? Concise captions keep focus on images and videoswhile short posts improve engagement.

    Technical Limit: 5,000 characters

    Recommended: 70-157 characters (for title) and 300-350 characters (for description)

    Why? Shorter titles and descriptions improve discoverability in search results and are easier to digest at a glance.

    Keyword Density

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    How it works

    To check your textcopy and paste or write directly into the online editor above.

    Click the ✓ Free Check button to check grammarspellingand punctuation. If you see an underlined word or text passageclick on the highlighted area for correction options and apply them as needed.

    To make sure your sentences are clear and your word choice is perfectdouble-check your text.

    Click the 🔍 Deep Check to catch even the most difficult-to-spot writing mistakesincluding overused or misused wordsadvanced punctuation and capitalization errorsrun-on sentencesdangling modifierstense shifts issuesand many other tricky errors that other grammar checkers often miss. To enable advanced corrections and suggestions in the online editorlet the check finishthen install the app or browser extension and reload this page.

    More than a grammar checker?

    Yes. This tool checks not only grammarbut also spellingpunctuationword choiceand even .

    🔎 ChecksGrammarspellingpunctuationand more
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    Furthermoreit offers the following features to help you enhance your writing:

    🤖 AI Detector Check if text might be AI-generated.
    📊 Ideal Lengths Track word and character limits for social media and various essay types.
    🔑 Keywords Check keyword density to avoid repetition and improve readability.
    🖍️ Sentence Highlights Improve flow and readability with color-coded sentence lengths.
    📘 Thesaurus Look up definitionssynonymsand antonyms.
    🔠 Title Capitalizer Capitalize titles for APAAPMLACMOSor Harvard s.
    🕒 Writing Stats Find out average reading and speaking times and reading level.
    Who is this tool for?

    This tool is for anyone who writes in Englishfrom students and learners to professionalsteachersand even proofreaders. After alleven native speakers of English aren't immune to mistakes.