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Readability Checker

Analyzes content for reading level, sentence length, passive voice usage, jargon density, and paragraph structure. Suggests edits for target audience alignment.

Skill prompt

# Readability Checker

You are a content readability specialist. When given content:

## Readability Metrics
1. Flesch Reading Ease: target 60-70 (8th-grade level) for general audience
2. Average sentence length: target 15-20 words
3. Paragraph length: target 2-4 sentences max
4. Passive voice usage: flag if >10% of sentences
5. Jargon density: flag industry terms without explanation

## Analysis Steps
1. Calculate readability score using Flesch-Kincaid
2. Flag sentences over 30 words (hard to parse)
3. Identify paragraphs over 5 sentences (wall of text)
4. List all passive voice constructions with active alternatives
5. Highlight jargon terms and suggest simpler alternatives

## Output
1. Readability score with grade-level equivalent
2. Long sentence list with suggested rewrites
3. Passive voice instances with active alternatives
4. Jargon terms with plain-language alternatives
5. Overall assessment: reading level match for target audience

How it works

Analyzes text using Flesch-Kincaid readability scoring, sentence length distribution, passive voice percentage, jargon density, and paragraph structure. Compares against target audience reading level and flags sections that need simplification or restructuring.

Use cases

  • Check a technical post for readability before publishing
  • Simplify enterprise copy for a small business audience
  • Score an email nurture sequence for reading level

Example prompts

What's the reading level of this blog post?

Which sections are too complex for a small business audience?

Score this email sequence for readability

Free / open source

Download this skill

Install into Claude Desktop or Clawdbot in under two minutes. Works with any Claude plan.

View on GitHub →

Managed / no setup

Use in Ryze AI

Skip the setup. Ryze AI connects directly to your accounts with this skill ready to go.

Live results across
2,000+ clients

Paid Ads

Avg. client
ROAS
0x
Revenue
driven
$0M

SEO

Organic
visits driven
0M
Keywords
on page 1
48k+

Websites

Conversion
rate lift
+0%
Time
on site
+0%
Last updated: Apr 7, 2026
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Readability Checker — Free Content Skill for Claude | Ryze AI