https://simaraguard.com/
Email Tone Checker for Gmail — Check Before You Send | SimaraGuard
Free Chrome extension that checks your email tone, flags risks, and detects sensitive data before you hit send. 25 free checks/month — no signup required.
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https://aimojo.io/licence/tone-checker/
Tone Checker - AI Mojo
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https://askai.free/tone-checker
Tone Checker: Free Writing Tone Analyzer & Communication Style Tool
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https://grammarpro.ai/formal-tone-checker
Formal Tone Checker — Make Writing More Professional | GrammarPro
Transform informal writing into professional, formal text. Remove contractions, slang, and colloquialisms.
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