Email signature software
Email signature software without the enterprise bloat.
Most signature tools charge per user, per month, forever. SignatoryGrid is completely free, for teams of any size.
Why teams pick SignatoryGrid
No price at all
Unlimited signatures, free. Never expires, never rebills.
No plugins or agents
No Exchange integration, no Chrome extension. Just paste HTML.
Central brand editor
Marketing owns the template. Employees just paste and go.
Outlook-safe HTML
Table-based signatures that survive Outlook 2016's rendering quirks.
CSV team import
Onboard the whole team in one upload.
Real free tier
Free and unlimited, forever. No credit card.
How it works
- 1
Sign up free
Create your workspace in 30 seconds — no credit card.
- 2
Design your signature
Set the brand, logo, and layout once.
- 3
Ship to the team
Share personal claim links. Everyone pastes.
Works in every inbox
- Gmail & Google Workspace
- Outlook 365 / Desktop
- Apple Mail (macOS / iOS)
- Superhuman
- Outlook.com
- Thunderbird
Free and unlimited. No subscription.
Start free with unlimited signatures for your whole team. No card, no subscription, no limits.
Frequently asked
How is this different from Exclaimer or WiseStamp?
SignatoryGrid focuses on simple team rollout — no Exchange integration, no per-user subscription. Pay once for slots and use them forever.
Is there a free plan?
Everything is free — unlimited signatures for teams of any size.
Do I need to install a plugin?
No plugins, no browser extensions, no admin agents. Each teammate pastes their signature into their mail client.
Does it work with Google Workspace and Microsoft 365?
Yes — the signatures render cleanly in both, plus Apple Mail, Superhuman, and Outlook.com.