Text & Writing

Readability Improver

Automatically improve text readability by identifying and suggesting fixes for complex sentences, passive voice, and difficult words.

Use Readability Improver to get instant results without uploads or sign-ups. Everything runs securely in your browser for fast, reliable output.

Your results will appear here.

Ready to run.

About this tool

Readability determines whether your message reaches your audience. Even intelligent readers prefer simple, clear writing - studies show executives prefer 8th-grade reading level for business documents, and most internet users read at 8th-9th grade level regardless of education. Complex writing isn't sophisticated; it's ineffective. Every unnecessarily complex sentence loses readers, every difficult word creates confusion, every passive voice weakens impact. Improving readability doesn't dumb down content - it respects readers' time, reduces cognitive load, and ensures your message lands effectively.

Common readability killers include: long sentences (25+ words), passive voice ('mistakes were made'), complex words when simple ones work ('utilize' vs 'use'), dense paragraphs (6+ sentences), jargon without context, and redundant phrases ('past history', 'advance planning'). The fixes are straightforward: break long sentences, use active voice, choose simple words, vary sentence length, define necessary jargon, and eliminate redundancy. Each improvement compounds - fixing five complex sentences can raise readability scores by 10-15 points, moving from 'difficult' to 'standard' reading level.

Our Readability Improver analyzes your text sentence-by-sentence, identifying specific issues and providing concrete improvement suggestions. The tool flags long sentences with simplification options, detects passive voice with active alternatives, identifies difficult words with simpler synonyms, spots redundant phrases, and highlights jargon needing explanation. You'll receive before/after examples, readability score improvements, and prioritized recommendations. Whether you're simplifying academic writing for broader audiences, making business communications clearer, improving web content accessibility, or ensuring instructions are understood, this tool makes text clearer while maintaining meaning and professionalism.

Usage examples

Complex Business Writing

Simplify corporate communication

Before: 'Implementation will be effectuated' → After: 'We will implement' | -3 grade levels

Academic Simplification

Make research accessible

Before: 'The methodology utilized was...' → After: 'We used this method...' | More engaging

Technical Documentation

Improve user guide clarity

Before: 'The configuration parameters should be adjusted' → After: 'Adjust the settings' | Clearer action

Marketing Copy

Enhance message clarity

Before: 'Our solution facilitates optimization' → After: 'Our tool helps you improve' | Direct benefit

How to use

  1. Paste your text that needs improvement
  2. Click analyze to identify readability issues
  3. Review complex sentences highlighted
  4. See suggested simplifications and replacements
  5. Check difficult word alternatives
  6. Review passive voice conversions
  7. Apply suggested improvements to your text
  8. Reanalyze to verify readability improvement

Benefits

  • Reduce reading grade level by 2-4 levels for wider accessibility
  • Increase comprehension rates by up to 60%
  • Get specific, actionable improvement suggestions
  • Maintain meaning while improving clarity
  • Identify passive voice and suggest active alternatives
  • Replace complex words with simpler synonyms
  • Break long sentences into clearer shorter ones
  • Track readability improvements objectively

FAQs

Will simplifying make my writing sound less professional?

No! Clear writing is professional writing. Fortune 500 CEOs prefer 8th-grade level. Simple ≠ simplistic. You can discuss complex topics with clear language. Hemingway, Churchill, and Lincoln wrote simply. Complexity obscures meaning; clarity enhances it.

How do I simplify complex sentences?

1) Break into 2-3 shorter sentences, 2) Remove unnecessary words, 3) Use active voice, 4) Replace complex words with simple ones, 5) Put one idea per sentence. Example: 'In order to facilitate implementation' → 'To implement' (5 words → 2 words).

When should I use complex vocabulary?

Only when: 1) Simple alternatives don't exist, 2) Writing for specialized audience that knows the terms, 3) Precision requires it. Always define technical terms on first use. 'Utilize' never beats 'use'. Save big words for when they add value, not impress.

What's the ideal reading level?

8th-9th grade for general audiences (web, marketing, business). 10th-12th grade for educated audiences (industry reports). College level only for academic/highly technical content. Lower is usually better - comprehension beats sophistication.

How can I identify passive voice?

Look for: 'to be' verb (is, was, were) + past participle (written, made, sent) + optional 'by' phrase. Active: 'We wrote the report.' Passive: 'The report was written (by us).' Add 'by zombies' - if it makes sense grammatically, it's passive!

Should I avoid all long sentences?

Not all - use strategically. Vary length: short (5-10 words) for impact, medium (15-20) for information, long (25-30) occasionally for complex ideas. Average 15-20 words. Problem is ALL sentences being long. Mix creates rhythm.

Related tools

View all tools