--- title: "Free Readability Checker, Flesch Score & Grade Level Analysis" canonical: https://snezzi.com/readability-checker/ source: https://snezzi.com/readability-checker/ --- > Canonical page: https://snezzi.com/readability-checker/ Free Writing Tool # Readability Checker Improve your writing with Flesch score analysis and real-time highlights. Identify hard sentences, passive voice, adverbs, and complex phrases instantly. No signup required Instant analysis 100% Free 0 words 0 characters Hard to read Very hard Passive voice Adverb Complex phrase ### Readability Score \-- Flesch Score Grade Level \-- Enter text to analyze ### Statistics 0 Words 0 Sentences 0 Paragraphs 0 Min read Avg words/sentence 0 Avg syllables/word 0 ### Issues Found Hard sentences 0 Very hard sentences 0 Passive voice 0 Adverbs 0 Complex phrases 0 ## Flesch Reading Ease Score Guide 90-100 Very Easy 5th grade level. Easily understood by an average 11-year-old. 80-89 Easy 6th grade level. Conversational English for consumers. 70-79 Fairly Easy 7th grade level. Suitable for most web content. 60-69 Standard 8-9th grade level. Plain English, ideal for general audiences. 50-59 Fairly Difficult 10-12th grade level. High school and some college. 30-49 Difficult College level. Best suited for academic or technical content. 0-29 Very Difficult College graduate level. Scientific or legal documents. ## How This Tool Improves Your Writing Our readability checker uses proven linguistic analysis to help you write clearer, more engaging content. ### Sentence Length Analysis Long sentences are harder to follow. We highlight sentences over 14 words (hard) and 25 words (very hard) so you can break them up. ### Passive Voice Detection Passive voice weakens your writing. We identify passive constructions so you can rewrite them in active voice. ### Adverb Highlighting Adverbs often weaken verbs. We flag them so you can choose stronger verbs instead of relying on modifiers. ### Complex Phrase Simplification Phrases like "in order to" can be simplified to "to". We identify wordy phrases that can be made more concise. ### Flesch Score Metrics Get industry-standard readability scores including Flesch Reading Ease and Flesch-Kincaid Grade Level. ### Real-Time Analysis See results instantly as you type or paste. No waiting, no page reloads - just immediate feedback. ## What Is a Readability Score? A readability score measures how easy your text is to read and understand. It uses mathematical formulas that analyze sentence length, word complexity, and syllable count to estimate the reading level required to comprehend your content. The most widely used readability metric is the Flesch Reading Ease score, which rates text on a scale of 0-100, the higher the score, the easier the text is to read. Readability matters for SEO because search engines prioritize content that satisfies user intent. If visitors bounce because your writing is too complex, it signals poor content quality. Studies show that content written at an 8th-9th grade reading level performs best in search results, balancing accessibility with authority. ## Understanding the Flesch-Kincaid Methodology Our checker uses two complementary Flesch-Kincaid formulas: - **Flesch Reading Ease**, scores from 0 (extremely difficult) to 100 (very easy). A score of 60-70 is considered ideal for web content, meaning it's easily understood by 13-15 year olds and most adults. - **Flesch-Kincaid Grade Level**, translates readability into a U.S. school grade level. A grade level of 7-8 is recommended for blog posts and marketing content. Both formulas weigh two key factors: the average number of words per sentence (shorter is easier) and the average number of syllables per word (fewer syllables means simpler vocabulary). Neither formula measures meaning, tone, or logical flow, that's why human judgment still matters alongside the score. ## Readability Score Benchmarks Flesch Score Grade Level Difficulty Best For 90-100 5th grade Very easy Consumer health, children's content 70-90 6th-7th grade Easy Conversational blogs, social media 60-70 8th-9th grade Standard Most web content, blog posts, SEO articles 30-60 10th-12th grade Difficult Technical documentation, whitepapers 0-30 College+ Very difficult Academic papers, legal documents ## How to Improve Your Readability Score - **Shorten your sentences**, aim for 15-20 words per sentence. Break long compound sentences into two shorter ones. - **Use simpler words**, replace "utilize" with "use", "implement" with "do", "demonstrate" with "show". One-syllable words improve your score significantly. - **Eliminate passive voice**, "The report was written by the team" becomes "The team wrote the report." Active voice is shorter and clearer. - **Cut filler words**, remove "very", "really", "actually", "basically", "just", and "that" where they add no meaning. - **Use bullet points and lists**, they break up wall-of-text paragraphs and make information scannable. - **Write for your audience**, a Flesch score of 60-70 works for most content, but technical guides for developers may naturally score lower, and that's fine. Want to check how your entire blog performs? Try our [blog SEO checker](/free-blog-seo-checker/) for a full content analysis, or run a [free SEO audit](/free-seo-audit-tool/) on your whole site. ## Flesch Reading Ease score chart The Flesch Reading Ease formula scores text from 0 to 100, where higher numbers mean easier reading. Use the chart below to translate any score into a reading level and the audience it fits. For most web and marketing content, aim for the plain English band of 60 to 70. Score range Reading level Audience **90 to 100** 5th grade Very easy to read **80 to 90** 6th grade Easy to read **70 to 80** 7th grade Fairly easy to read **60 to 70** 8th to 9th grade Plain English (standard) **50 to 60** 10th to 12th grade Fairly difficult to read **30 to 50** College Difficult to read **0 to 30** College graduate Very difficult to read FAQ ## Frequently Asked Questions Get answers to common questions about readability scores and this tool. The Flesch Reading Ease score rates text on a 100-point scale. Higher scores indicate easier readability. A score of 60-70 is considered ideal for general audiences, while 0-30 indicates very difficult academic text. For most web content, aim for a grade level of 6-8, which means the text can be understood by an average 11-14 year old. Lower grade levels indicate easier readability and broader accessibility. Passive voice makes sentences longer and harder to understand. Active voice is more direct and engaging, making your writing clearer and more impactful for readers. The tool analyzes sentence length and word complexity. Sentences with more than 14 words are marked as hard to read (yellow), and sentences over 25 words are marked as very hard to read (red). Yes, this readability checker is completely free with no signup required. All analysis is done in your browser for privacy, and you can use it unlimited times. For most general audiences, a Flesch Reading Ease score between 60 and 70 is considered good. That range reads as plain English at roughly an 8th to 9th grade level, which keeps content accessible without sounding oversimplified. Scores above 70 are easier still and suit broad consumer content, while technical or academic writing often lands lower and that can be acceptable for a specialist audience. A Flesch Reading Ease score of 60 sits at the bottom of the plain English band, roughly an 8th to 9th grade reading level. Text at this score is understood by most adults and is a common target for web content, marketing pages, and blog posts. It is readable for a general audience while still allowing room for some longer sentences and more advanced vocabulary. A Flesch-Kincaid Grade Level of 14.2 corresponds to a second-year college reading level, since the grade number maps directly to US school grades and 14 is two years past 12th grade. Content at this level is fairly difficult and best suited to academic, professional, or highly technical readers. If you are writing for a general audience, aim for a grade level of 6 to 8 instead to widen accessibility. A Flesch Reading Ease score of 37 is on the difficult end of the scale, roughly a college reading level. It signals long sentences and complex vocabulary that many general readers will find hard to follow. That can be fine for academic papers or technical documentation, but for blog posts, marketing pages, or a broad audience you should simplify toward the 60 to 70 range. ![Background](/background/cta_background.jpg) ### Ready to turn AI search into measurable return? Bring your lead and revenue forecast to a strategy session. We will map the work, investment, and measurement needed to grow with confidence. [Book a Strategy Session](/strategy-session/) ![Snezzi](/favicon/favicon-16x16.png)