Flesch Readability Calculator
Estimate reading ease and grade level for pasted text. Free, private, and local-first.
Use Flesch Readability Calculator
Estimate reading ease and grade level for pasted content.
Reading ease
40
Grade level
10.1
Words
20
Sentences
2
Quick answer
Flesch Readability Calculator is a free online tool that helps you estimate reading ease and grade level for pasted text. It runs in your browser, so you can work with development data, text, files, or generated output without creating an account.
About Flesch Readability Calculator
Flesch Readability Calculator helps you estimate reading ease and grade level for pasted text. It is designed for focused local-first workflows where you need a quick result without creating an account or sending your input to a server.
Common uses include simplifying tool page copy, checking blog drafts before publishing, improving support documentation.
Use the examples, usage notes, FAQ, and related tools below when you need to compare formats, build sample data, validate inputs, or move into the next step of the same workflow.
What this tool does
How to use Flesch Readability Calculator
- 1
Paste text into the input area.
- 2
Review reading ease and grade level scores.
- 3
Simplify sentences or wording if needed.
- 4
Recheck after editing.
Examples
Reading ease
70+ is generally easier to read
Grade level
Lower grade levels are usually easier for broad audiences
Use cases
- Simplifying tool page copy
- Checking blog drafts before publishing
- Improving support documentation
- Making landing pages easier to scan
Related workflow
After using Flesch Readability Calculator, many workflows continue with related tools for validation, conversion, cleanup, mock data, or final export.
Privacy and usage notes
CodeVella tools are designed to run locally in your browser. Your input is not uploaded to a server, and no account is required.
Generated test data is intended for development, QA, demos, and safe internal workflows.
Frequently asked questions
Is my data uploaded?+
No. This tool is designed to run locally in your browser.
Do I need an account?+
No signup is required for CodeVella tools.
Are readability scores exact?+
No. Readability formulas are estimates based on words, sentences, and syllables. Use them as guidance, not as a strict quality score.
How can I improve readability?+
Use shorter sentences, clearer words, descriptive headings, and direct examples. Then rerun the text through the calculator.