Readability Checker

How do I use the Readability Checker?

1. 1

   Paste text.

2. 2

   See Flesch score and grade level appear instantly.

3. 3

   Edit until the score matches your target audience.

What is the Readability Checker?

The Readability Checker calculates the Flesch Reading Ease score and the Flesch-Kincaid grade level for your text, giving you an instant sense of how easy it is to read. Both scores are widely used by publishers, educators and content teams to hit target audiences.

Who is the Readability Checker for?

Content writers targeting a reading level, teachers grading student work, editors reviewing manuscripts, and marketers writing accessible copy.

Why use the Readability Checker?

• Flesch Reading Ease and grade level.
• Live updates.
• Uses syllable, word and sentence heuristics.
• Handles long documents.
• Runs offline.

When should I use the Readability Checker?

• Tuning a blog post for a general audience.
• Simplifying technical documentation.
• Grading student essays.
• Aligning marketing copy with brand voice.
• Preparing accessible government content.

Is the Readability Checker safe and private?

Yes. This tool runs entirely inside your browser - your text is never uploaded, stored on our servers or shared with third parties. You can even disconnect from the internet after the page loads and it will keep working. That makes it safe for confidential notes, drafts, private messages and unpublished work.

How do I get the best results from the Readability Checker?

• Aim for Flesch 60–70 for most web writing.
• Shorter sentences and simpler words raise the score.
• Combine with Sentence Counter to spot the longest sentences.
• Very short texts give noisy scores - aim for 100+ words.

Frequently asked questions

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