Email tone checker
Paste an email and see how it will come across: apologetic, blunt, vague or just right, what in your wording causes it, and what to change first.
Free, no account. Your email is not stored.
The draft you are about to send, up to 500 words.
How it will land, the specific problems, and the signals behind them.
Rewrite it in your own voice, or change the tone, in one click.
The tone problems that make emails get ignored or misread.
Spot the "sorry to bother you" and "just checking in" that bury your request.
See when a short reply will read as annoyed, before your manager does.
Find out whether the reader can tell what you need from them, and by when.
Know when the point is hiding in paragraph three.
A read of how the email lands, plus signals counted from your text, so you can see what causes it.
The ones the checker catches most often, with a version that keeps the meaning and fixes the tone.
Before
I'm so sorry to bother you, I know you're busy, but I was wondering if you might have a moment to look at the proposal?
After
Could you review the proposal by Thursday?
Before
Need the numbers today.
After
Could you send the numbers today? I need them for the 4pm call.
Before
Just wanted to share the draft with you, let me know your thoughts whenever.
After
Here is the draft. Could you tell me by Friday whether the pricing section works?
The checker tells you how an email will come across. To change it, use the tone changer, or open the email in your workspace, where ToneSwap rewrites it in your own voice and checks that the names, dates, numbers and questions in your draft are still there.
For more on what makes an email sound unsure or blunt, read email phrases that sound confident and how to soften a blunt message.
A tool that tells you how an email will come across to the person who receives it, before you send it: warm, apologetic, blunt, vague or confident, and what in your wording causes that.
Yes. You can check emails without an account, and it does not use any of your daily rewrites.
No. The email is sent to our AI provider, Anthropic, to assess it, and nothing is saved on our side. The page is also kept out of our session recordings.
An AI model reads the email the way a recipient would and says how it lands. The counts, such as apologies, hedges and sentence length, come straight from your text, so they are the same every time.
Yes. Click "Fix it in your voice" to open the email in your workspace, where ToneSwap rewrites it in your own writing style. Or use the tone changer to switch to a different tone.
Yes, with the free Chrome extension. When you rewrite a draft from the button next to Send, it tells you how the draft reads and flags anything the rewrite dropped.