SlackTone AI
Your AI communication coach for Slack. Get instant feedback on tone, clarity, and professionalism before you hit send.
Because “per my last email” hits different when AI catches it first.
Add to Slack — FreeFree for up to 50 analyses/hour · No credit card required
Who Needs SlackTone?
Managers
Giving feedback that lands without sounding harsh? That's an art. SlackTone helps you strike the right balance between direct and supportive.
Remote Teams
Without body language, text is all you have. SlackTone catches when your “quick question” reads like an interrogation.
Client-Facing Roles
Sales, CS, account managers — every message is a brand touchpoint. Make sure yours hit the right note.
Engineers & ICs
Code reviews, standups, cross-team asks — communicate clearly without overthinking every word.
Try It Now
Paste a Slack message and see what SlackTone would tell you.
How It Works
Type /tone
Before sending a message, type /tone followed by your message.
Get Scored
See clarity, professionalism, and empathy scores with actionable tips — only visible to you.
Send with Confidence
Use the AI rewrite or send your original — either way, you know exactly how it reads.
Before & After
“Per my last email, this should have been done yesterday. Can someone actually handle this?”
“Following up on the deliverable from yesterday — I know things get busy. Who can take point on getting this across the line today?”
Features
Slash Command
Use /tone anywhere in Slack for instant analysis before sending.
Message Shortcut
Right-click any message → “Check Tone” to analyze existing messages.
Alternative Tones
Get your message rewritten in friendly, assertive, or formal tone — pick the one that fits.
100% Private
Results are ephemeral — only visible to you. No messages stored. No data shared.
Simple Pricing
Free
$0
forever
- ✓ 50 analyses/hour
- ✓ /tone command
- ✓ Message shortcut
- ✓ AI rewrites
- ✓ Alternative tones
Pro
$5
per workspace/mo
- ✓ Unlimited analyses
- ✓ Team tone analytics
- ✓ Custom tone guidelines
- ✓ Priority support
Enterprise
$15
per workspace/mo
- ✓ Everything in Pro
- ✓ Bring Your Own Key
- ✓ Compliance reports
- ✓ Custom AI models