esigna

esigna is a free email signature builder that lets you design, customize, and export signatures for Gmail, Outlook, Apple Mail, and other clients. The core editor is entirely free, unlimited signatures included. Where it gets interesting is the optional AI avatar feature, which generates stylized bobblehead illustrations from a photo you upload. The combination gives you a way to stand out in someone's inbox without commissioning custom artwork or settling for a generic headshot.

The signature editor itself is straightforward. You pick from eight layout templates, adjust colors and fonts, add your contact lines, and preview the result live. When you're done, you export as a PNG, which works across almost every email client. There's no subscription required to use the editor. You can create as many signatures as you want, save them to your account, and share preview links. If you just need a clean professional signature without the avatar, the tool does that at no cost.

The AI bobblehead feature is where credits come into play. You upload a photo, the system removes the background and generates a stylized cartoon version of your face. Quality options range from medium to high, consuming one or two credits respectively. Credit packs start at ten credits and scale up, with a 60 credit pack priced around 20 dollars. Credits never expire, so you're not racing a subscription clock. For teams wanting branded avatars across multiple employees, this becomes a quick way to give everyone a consistent, personality-driven look.

Supported email clients include Gmail, Apple Mail, Outlook, Proton Mail, and Thunderbird. The PNG export format means compatibility is broad, though some webmail interfaces may require pasting the image manually rather than using a native signature import. The share link feature is handy for distributing signatures across a team without emailing files around.

The target user is anyone who wants their email signature to carry a bit of personality without looking unprofessional. Freelancers, founders, real estate agents, recruiters, and anyone in a client-facing role will recognize the appeal. It's a small detail that makes emails feel less templated and more human.

Pricing is genuinely freemium. The signature builder is free forever, and you only pay if you want AI-generated avatars. Credit packs are one-time purchases rather than subscriptions, and the pricing is transparent, 25 credits for about ten dollars, 60 for about twenty. There's no watermark on free exports and no artificial limits on how many signatures you can create or save.

If you've been using a plain text signature or a generic corporate template, esigna offers a quick upgrade path. The free tier covers all the basics, and the avatar credits are there if you want something more distinctive. It's a narrow tool that does one thing well and doesn't try to upsell you into a bloated product.