Free tool

Email tone checker

Paste your email draft below. The tool scans for sentences that might land as curt, passive-aggressive, or ambiguous — the kinds of reads that are hard to spot when you've already re-read it five times.

🔒 Private — your text never leaves your browser

Subject line optional. The more context, the better the analysis.

0 words
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Clarity —
Warmth —
Reading age —
Sentences —

Annotated email

Could sound curt Passive / ambiguous Long sentence (20+ words) Jargon / vague phrase

What to look at

This tool uses pattern matching — it flags phrases that often read badly, but only you know your relationship with the recipient. Use it as a second pair of eyes, not a final verdict. Read more: tips for dyslexic employees on written communication.