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How to Check Readability Score Free Online — Step-by-Step Guide

Last updated: April 20266 min readWriting Tools

Paste your text into a readability checker, get your Flesch-Kincaid grade level in 2 seconds. No signup, no download. Here is exactly how to do it, what the numbers mean, and how to fix a score that is too high.

Paste your text — see grade level, Gunning Fog, and reading time instantly.

Open Readability Scorer

How to Check Readability — 3 Steps

  1. Copy your text — select all in Google Docs, Word, your email draft, or wherever you wrote it. Ctrl+A then Ctrl+C
  2. Paste into the readability scorer — Ctrl+V into the text box. Works with any length — one paragraph to 10,000 words
  3. Read your scores:
Score You GetWhat It MeansYour Target
Flesch-Kincaid Grade LevelUS school grade that can read itGrade 6-8 for web content
Gunning Fog IndexYears of education needed7-9 for general audiences
Flesch Reading Ease0-100 (higher = easier)60-70 for most content
Reading TimeMinutes at 200-250 wpmMatch to content depth
Word CountTotal wordsBlog: 1,000-2,500. Email: under 300
Sentence CountTotal sentences
Avg Words/SentenceWords per sentence average15-20 is ideal

Your Score Is Too High — How to Fix It

Fix 1: Split Long Sentences

The single most impactful change. Find sentences over 25 words and split them at natural break points.

Fix 2: Replace Complex Words

Replace ThisWith ThisSyllable Savings
UtilizeUse3 → 1
ApproximatelyAbout5 → 2
DemonstrateShow4 → 1
SubsequentlyThen4 → 1
FacilitateHelp4 → 1
ComprehensiveFull4 → 1
CommunicateTell4 → 1
NeverthelessBut / Still4 → 1
In order toTo4 → 1
Due to the fact thatBecause6 → 2

Fix 3: Cut Filler Phrases

Checking Readability in Different Tools

Where You WriteHow to Check Readability
Google DocsCopy text → paste into browser readability tool (no built-in checker)
Microsoft WordReview tab → check "Show readability statistics" in proofing options
WordPressInstall Yoast SEO plugin — shows readability in editor sidebar
Email (Gmail/Outlook)Copy draft → paste into browser readability tool before sending
NotionCopy text → paste into browser readability tool
Any textBrowser readability tool — works with text from anywhere

Complete Writing Improvement Workflow

  1. Write your first draft — don't check readability while writing, it interrupts flow
  2. Edit for content — is the information correct? Is anything missing?
  3. Check readability — note your grade level and Gunning Fog
  4. Simplify — split long sentences, replace complex words, cut filler
  5. Check again — did the score improve?
  6. Check passive voice — convert passive to active
  7. Grammar check — catch errors introduced during simplification
  8. Analyze your headline — optimize the title last

Check your readability now — free, instant, no signup.

Open Readability Scorer
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