The universal email signature platform

Sign every email
like you mean it.

Design once, render everywhere. signatr builds pixel-perfect signatures for Gmail, Outlook and Apple Mail — with campaign banners and analytics built in. For freelancers, teams, and entire companies.

Re: Thursday

Perfect — see you then.

Best,

Ada Lovelace
Ada Lovelace (she/her)
Head of Computation
Analytical Engines Ltd.
ada@analytical.engines
+44 20 7946 1815
analytical.engines
LinkedIn  ·  GitHub
Book a meeting

Renders perfectly in

GmailOutlookOutlook WebApple MailiOS MailAndroid

Simple enough for one.
Powerful enough for five thousand.

01

Visual builder

Fill in your details, pick a template, watch the live preview. A professional signature in under two minutes — no HTML knowledge required.

02

Renders everywhere

We generate battle-tested, table-based email HTML with inline styles. What you design is what arrives — in Gmail, Outlook and Apple Mail alike.

03

Campaign banners

Promote launches, events and content under every email your team sends. Schedule campaigns, and they expire on their own.

04

Built-in analytics

Impressions, clicks and CTR per signature and per campaign. Your email footer is a marketing channel — now you can measure it.

05

One-click install

Copy your finished signature to the clipboard and paste it in, guided by step-by-step instructions for every major client.

06

Ready for teams

Organizations, shared branding and Google Workspace sign-in today — directory sync and central rollout on the roadmap.

Your next email is waiting.

Make the bottom of it the best-dressed part.

Open the app

signatr.

RENDERED IN EVERY INBOX — © 2026