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Most generators hand you a block of HTML and wish you luck. This one imports your brand from your website, builds an email-safe signature, and puts it into Gmail for you — with no sign-in and no Google permission.
Generating the signature is the easy half. The half that goes wrong is getting it into Gmail intact. Gmail's signature box keeps only inline-styled HTML, so a design pasted out of a page builder or a document arrives with its spacing collapsed, its logo detached and its links flattened into plain text. That is why so many people end up with a signature that looked right in the preview and wrong in the sent mail.
If a copy-paste signature is all you need, the email signature generator builds one from six fields with no sign-in; this page is about getting it into Gmail intact.
ProSignature closes that gap in two ways, and you can pick either. The free Chrome extension inserts the finished signature into each Gmail compose window in your own browser — nothing is pasted, so nothing can be mangled. Or you can connect your Google account once and have the signature written into Gmail's own settings, which also makes it appear on your phone.
This is the part people are right to be careful about, so here is the whole picture. The default path asks for no Google permission at all. The extension writes into the compose window the way you would type it — there is nothing for Google to approve, and no consent screen appears.
The optional "save into Gmail's settings" route is the only place a Google sign-in is involved. It requests gmail.settings.basic, which manages settings such as your signature, plus your account email so we know which account to write to. Neither grants access to message content: ProSignature cannot read, send or delete your mail. If you would rather not connect anything, skip it — the extension already works.
The free plan produces a finished signature with one small 'Created with ProSignature' line under it, linked to prosignature.co. Nothing sits over your own details, and the HTML above the line is exactly what you designed; upgrading to Pro removes the line.
That is not the norm in this category, and it is worth checking before you invest an hour in any generator: most freemium tools, ours included, brand the free tier and remove it on the paid plan. Our watermark page shows our line at real size and lists what other free tiers add, with dates.
The free plan is not a trial — it stays free.
If you are a small business owner, a freelancer or a solo professional, your signature is doing work a marketing site cannot: it reaches people who already replied to you. That is why the generator leads with your brand import and a call-to-action button rather than a wall of styling controls.
Working in a specific field? The profession guides cover what actually belongs in a signature for accountants, real estate agents, lawyers, therapists and others — including the details people regret adding.
Yes. You can design a signature and install it into Gmail on the free plan. The free signature carries one small clickable 'Created with ProSignature' line under it; upgrading to Pro removes it.
One small 'Created with ProSignature' line under the signature, linked to prosignature.co — nothing over your own details. Upgrading to Pro removes the line.
No. The default route is the free Chrome extension, which needs no sign-in and no Google permission. Connecting your Google account is optional and uses one narrow settings scope that cannot read, send or delete mail.
The extension covers Gmail in that browser. For mobile, use the optional Google connect step so the signature lives in Gmail's own settings.
Yes, by copy-and-paste — Microsoft and Apple have no equivalent API. The generator gives you clean inline-styled HTML for both.
Enter your work email and see what the generator pulls from your site — logo, colours and links — before you decide whether it is worth your time.