Email signature software compared
What each tool does, based on what vendors publish. Where we could not confirm a feature, we say “Check vendor” rather than guess.
Last reviewed October 2026
Capabilities at a glance
Server-side tools route your mail through their service to add signatures; client-side tools, including Sendoff, place the signature in Gmail or Outlook and never touch your mail.
Free plan for one signature
- Sendoff
- Yes
- SyncSignature
- Yes
- WiseStamp
- Yes
- Exclaimer
- No
- CodeTwo
- No
- Newoldstamp
- Check vendor
- MySignature
- Yes
- HubSpot Email Signature Generator
- Yes
Build and copy without an account
- Sendoff
- Yes
- SyncSignature
- No
- WiseStamp
- Check vendor
- Exclaimer
- Check vendor
- CodeTwo
- Check vendor
- Newoldstamp
- Check vendor
- MySignature
- Check vendor
- HubSpot Email Signature Generator
- Yes
Copy HTML source on the free plan
- Sendoff
- Yes
- SyncSignature
- No
- WiseStamp
- Check vendor
- Exclaimer
- Check vendor
- CodeTwo
- Check vendor
- Newoldstamp
- Check vendor
- MySignature
- Check vendor
- HubSpot Email Signature Generator
- Check vendor
Right-to-left (Arabic) templates
- Sendoff
- Yes
- SyncSignature
- No
- WiseStamp
- Check vendor
- Exclaimer
- Check vendor
- CodeTwo
- Check vendor
- Newoldstamp
- Check vendor
- MySignature
- Check vendor
- HubSpot Email Signature Generator
- Check vendor
Interface available in Arabic
- Sendoff
- Yes
- SyncSignature
- No
- WiseStamp
- Check vendor
- Exclaimer
- Check vendor
- CodeTwo
- Check vendor
- Newoldstamp
- Check vendor
- MySignature
- Check vendor
- HubSpot Email Signature Generator
- Check vendor
Google Workspace deployment
- Sendoff
- Yes
- SyncSignature
- Yes
- WiseStamp
- Yes
- Exclaimer
- Yes
- CodeTwo
- No
- Newoldstamp
- Yes
- MySignature
- Check vendor
- HubSpot Email Signature Generator
- No
Microsoft 365 / Outlook deployment
- Sendoff
- Yes
- SyncSignature
- Yes
- WiseStamp
- Yes
- Exclaimer
- Yes
- CodeTwo
- Yes
- Newoldstamp
- Yes
- MySignature
- Check vendor
- HubSpot Email Signature Generator
- No
Directory sync
- Sendoff
- Yes
- SyncSignature
- Yes
- WiseStamp
- Check vendor
- Exclaimer
- Yes
- CodeTwo
- Yes
- Newoldstamp
- Check vendor
- MySignature
- Check vendor
- HubSpot Email Signature Generator
- No
Scheduled signature banners
- Sendoff
- Yes
- SyncSignature
- Yes
- WiseStamp
- Yes
- Exclaimer
- Yes
- CodeTwo
- Yes
- Newoldstamp
- Yes
- MySignature
- Check vendor
- HubSpot Email Signature Generator
- No
Click analytics
- Sendoff
- Yes
- SyncSignature
- Yes
- WiseStamp
- Check vendor
- Exclaimer
- Yes
- CodeTwo
- Check vendor
- Newoldstamp
- Yes
- MySignature
- Yes
- HubSpot Email Signature Generator
- No
Server-side signatures (mail routed through the vendor)
- Sendoff
- No
- SyncSignature
- No
- WiseStamp
- Check vendor
- Exclaimer
- Yes
- CodeTwo
- Yes
- Newoldstamp
- Check vendor
- MySignature
- No
- HubSpot Email Signature Generator
- No
| Capability | Sendoff | SyncSignature | WiseStamp | Exclaimer | CodeTwo | Newoldstamp | MySignature | HubSpot Email Signature Generator |
|---|---|---|---|---|---|---|---|---|
| Free plan for one signature | Yes | Yes | Yes | No | No | Check vendor | Yes | Yes |
| Build and copy without an account | Yes | No | Check vendor | Check vendor | Check vendor | Check vendor | Check vendor | Yes |
| Copy HTML source on the free plan | Yes | No | Check vendor | Check vendor | Check vendor | Check vendor | Check vendor | Check vendor |
| Right-to-left (Arabic) templates | Yes | No | Check vendor | Check vendor | Check vendor | Check vendor | Check vendor | Check vendor |
| Interface available in Arabic | Yes | No | Check vendor | Check vendor | Check vendor | Check vendor | Check vendor | Check vendor |
| Google Workspace deployment | Yes | Yes | Yes | Yes | No | Yes | Check vendor | No |
| Microsoft 365 / Outlook deployment | Yes | Yes | Yes | Yes | Yes | Yes | Check vendor | No |
| Directory sync | Yes | Yes | Check vendor | Yes | Yes | Check vendor | Check vendor | No |
| Scheduled signature banners | Yes | Yes | Yes | Yes | Yes | Yes | Check vendor | No |
| Click analytics | Yes | Yes | Check vendor | Yes | Check vendor | Yes | Yes | No |
| Server-side signatures (mail routed through the vendor) | No | No | Check vendor | Yes | Yes | Check vendor | No | No |
Product names are trademarks of their owners. Features and prices change; check each vendor’s website before deciding. Spotted an error? Tell us and we will correct it.
One by one
- Sendoff vs SyncSignatureA client-side signature manager for small and mid-sized teams, with Google Workspace and Microsoft 365 deployment, banners and analytics.
- Sendoff vs WiseStampA long-established signature generator for individuals with business plans for teams on Google Workspace and Microsoft 365.
- Sendoff vs ExclaimerAn enterprise-focused signature platform for Microsoft 365 and Google Workspace, offering both server-side and client-side signatures.
- Sendoff vs CodeTwoCodeTwo Email Signatures 365 is a signature manager for Microsoft 365 only. It adds signatures in the cloud after a message is sent, or inside Outlook through an add-in, and runs on Microsoft Azure.
- Sendoff vs NewoldstampA signature generator and team manager with banner campaigns and analytics, aimed at marketing teams.
- Sendoff vs MySignatureA signature generator for individuals and small teams with a template library and link tracking.
- Sendoff vs HubSpot Email Signature GeneratorA free, browser-based generator from HubSpot for making a single signature. It is a standalone tool, not a team management product.
See for yourself
The free generator needs no account. Build a signature, copy the HTML and compare.