Readability Calculator & Text Analysis Tool

Measure and improve the readability of your writing with our comprehensive analysis tool. Using industry-standard formulas like Flesch-Kincaid and Gunning Fog, this calculator provides a clear grade-level score for your text. It also offers a deep dive into your writing with detailed statistics, a syllable distribution chart, and interactive highlighters to help you pinpoint and simplify complex words and sentences.

How It Works

Our Readability Calculator is designed for instant, detailed feedback. The dashboard and analysis update in real-time as you edit your text.

  1. Enter Your Text: Paste your content into the editor. The tool comes pre-filled with sample text to demonstrate its features.
  2. Review the Scores: Instantly see the Flesch-Kincaid and Gunning Fog scores displayed on dynamic gauges, giving you an immediate sense of your text's complexity.
  3. Analyze & Highlight: Use the detailed statistics and interactive highlighters to identify specific areas for improvement, such as long sentences or complex words.

Key Features

  • Standard Readability Formulas: Get reliable metrics based on trusted algorithms.
    • Flesch-Kincaid Grade Level: Calculates the U.S. school grade level required to understand the text.
    • Gunning Fog Index: Estimates the years of formal education a person needs to understand the text on the first reading.
  • Dynamic Visual Gauges: Two prominent circular gauges provide your scores at a glance, complete with color-coding and descriptive labels (e.g., "Easy to Read", "Standard Readability", "Difficult to Read").
  • In-Depth Textual Statistics: A detailed dashboard breaks down your text's core components, including total sentences, words, complex words (3+ syllables), and the average number of syllables per word.
  • Interactive Highlighting Tools: Visually identify areas for improvement directly in your text.
    • Highlight Complex Words: Instantly mark all words with three or more syllables.
    • Highlight Long Sentences: Mark all sentences that are over 20 words long.
  • Syllable Distribution Chart: A unique bar chart visualizes the distribution of words by their syllable count, helping you quickly see the overall complexity of your vocabulary.
  • Real-Time Analysis: The entire tool updates live as you type, with a smart debounce mechanism to ensure a smooth and responsive experience.

How to Use the Tool

  1. Step 1: Input Your Text
    Paste your writing into the editor. The analysis will begin immediately.
  2. Step 2: Check the Main Scores
    Look at the Flesch-Kincaid and Gunning Fog gauges for a high-level assessment of your text's readability.
  3. Step 3: Dive into the Details
    Review the specific counts for sentences, words, and syllables. Check the syllable chart to understand your vocabulary choice.
  4. Step 4: Use the Highlighters
    Click the "Highlight Complex Words" or "Highlight Long Sentences" buttons to pinpoint specific parts of your text that could be simplified.

Find Our Tool

Readability Calculator, Flesch-Kincaid Score, Gunning Fog Index, Text Complexity Analyzer, Readability Test Tool, Writing Analysis Tool, Grade Level Checker, Syllable Counter, Sentence Length Checker, Improve Writing Clarity.