Check your email tone before you hit send. Paste any email into the popup and get instant feedback.
Users
3
0 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#323K
#256K among extensions
Version
1.0.0
updated 5 Jun 2026
Users
monthly, 4 months
Latest, 17 Oct 2026:3 usersMove the mouse over the chart for any month
Ratings count
monthly, 4 months
Latest, 17 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About ToneCheck — Email Tone Analyser
Ever sent an email that landed completely wrong?
What felt direct and professional to you read as cold, aggressive, or passive-aggressive to the recipient. ToneCheck fixes that — paste your email draft and find out exactly how it reads before you hit send.
HOW IT WORKS
1. Click the ToneCheck icon in your Chrome toolbar
2. Paste your email draft
3. Get instant AI-powered feedback in about 10 seconds
WHAT YOU GET
✅ Tone dial — see where your email lands from Harsh to Warm
✅ Tone label — Aggressive, Passive-Aggressive, Warm & Professional, Too Casual, and more
✅ Specific phrases flagged with suggested rewrites
✅ Full rewrite — a complete improved version ready to copy
✅ Subject line suggestions when relevant
WORKS WITH ANY EMAIL
ToneCheck works alongside Gmail, Outlook, or any email client — just paste your draft into the popup.
PRICING
3 free checks per day — no sign up needed.
Upgrade to Pro for $4/month for unlimited checks.
PRIVACY
Your emails are never stored or shared. Each analysis is processed and immediately discarded.