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Plain Language Checker

Get heuristic flags for long sentences, passive-ish wording markers, jargon hits, and a suggestions summary.

Analysis runs locally in your browser. Flags are heuristic only and may miss or over-flag; use as guidance, not as a definitive plain-language audit.

Text Input
Paste or type text to check for plain-language issues
Analysis
Long sentences, passive wording, jargon

Paste text with at least one sentence to see analysis.

How to use this tool

  1. Paste or type text into the input area.
  2. Review long-sentence, passive, and jargon flags.
  3. Use the suggestions summary to improve clarity.

About Plain Language Checker

This tool helps content creators spot common plain-language issues: long sentences, passive constructions, and jargon. It uses simple heuristics and a small jargon list; results are best used as a first pass before human review.

Common use cases

  • Scanning documentation or help text for plain-language issues
  • Identifying passive voice and jargon before publishing
  • Getting quick feedback during content drafting

FAQ

What does this plain-language checker flag?
It flags long sentences (over 25 words), passive-ish wording (e.g. is/are/was + past participle), and words from a built-in jargon list. It also provides a short suggestions summary.
Does this tool send my text to a server?
No. All analysis runs locally in your browser. Your text is never sent to a server or stored.
Why might it miss or over-flag passive voice?
Passive detection uses simple pattern matching (e.g. 'is done', 'was completed'). It can miss complex passives and may flag false positives. Use as a starting point, not a final check.
Can I add custom jargon words?
No. The checker uses a fixed jargon list. For custom terms, consider a separate review or editing workflow.

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