How to Check text readability scores

Analyze text readability using Flesch-Kincaid, Gunning Fog, and SMOG scores. Get grade-level estimates and suggestions to simplify complex passages.

4 min read Readability Checker Free, no signup required

Quick start

Readability Checker — Analyze text readability using Flesch-Kincaid, Gunning Fog, and SMOG scores.

Get started in under two minutes:

  1. Open the tool and provide your input
  2. Review and adjust settings
  3. Review the output
  4. Copy the result
Open Readability Checker

Step-by-step instructions

Follow these steps to get the best results from Readability Checker:

1

Open the tool and provide your input

Use the input area to provide your content or data.

Tip: No account or signup is needed. The tool is ready to use immediately.
2

Review and adjust settings

Use the settings panel to refine the output. Readability Checker lets you text readability using flesch-kincaid, gunning fog, and smog scores.

Tip: Most settings work well at their defaults — only adjust when you need specific output.
3

Review the output

Check the result against what you expected. Look for any errors or unexpected output.

Tip: Verify the result before using it in production.
4

Copy the result

Click the "Copy" button to copy the output to your clipboard. The button briefly changes to "Copied!" to confirm the action.

Tip: Paste the result directly into your project, code editor, or document.

Frequently asked questions

Is Readability Checker free to use?

Yes — Readability Checker is completely free with no account or signup required. All core features are available immediately.

Does Readability Checker work on mobile devices?

Yes — Readability Checker works on smartphones and tablets through any modern mobile browser. The interface adapts to smaller screens automatically.

Ready to check text readability scores?

Readability Checker is free to use. No account or signup required.

Open Readability Checker