OptiDrop

Free Email Signature Generator — Create HTML Email Signatures

Create a professional HTML email signature in minutes. Works with Gmail, Outlook, Apple Mail, and Yahoo. Copy the code and paste it into your email settings. No sign-up, no watermarks, 100% free.

Fill in your details and click Generate

Free Email Signature Generator — Professional HTML Signatures

OptiDrop's Email Signature Generator creates professional, clean HTML email signatures that work across all major email clients including Gmail, Outlook, Apple Mail, and Yahoo Mail. Choose from three design styles — Classic, Modern, or Minimal — and customize your signature with your name, job title, company, contact details, and social media links. The generated HTML code is optimized for maximum compatibility, ensuring your signature looks great whether your recipient is reading on desktop or mobile.

How to Add Your Email Signature

After generating your signature, copy the HTML code. In Gmail, go to Settings (gear icon) > See all settings > Signature section, create a new signature, and paste the code. In Outlook, navigate to File > Options > Mail > Signatures, create a new signature, and paste. In Apple Mail, go to Mail > Preferences > Signatures, create a new signature, and paste the HTML. The process is simple and takes less than two minutes.

Why Use an Email Signature?

A professional email signature establishes credibility, promotes your brand, and makes it easy for recipients to contact you. It acts as a digital business card that appears at the bottom of every email you send. Including your website URL and social links drives traffic to your online presence. A well-designed signature shows attention to detail and professionalism in every communication.

How to Install Your Signature

Gmail

Settings (gear icon) > See all settings > Signature > Create new > Paste HTML > Save Changes.

Outlook

File > Options > Mail > Signatures > New > Paste HTML > Assign to messages > OK.

Apple Mail

Mail > Preferences > Signatures > Select account > + > Paste HTML > Close to save.

Frequently Asked Questions

Go to Gmail Settings (gear icon > See all settings). Scroll down to the Signature section. Click Create New, name your signature, paste the HTML code from this generator into the editor, and save changes. Set it as your default signature for new emails and replies.
In Outlook, go to File > Options > Mail > Signatures. Click New to create a signature, name it, then paste the HTML code into the editor. Assign it to new messages and replies/forwards, then click OK to save.
A professional email signature should include your full name, job title, company name, email address, phone number, and website URL. Optionally add your LinkedIn profile, social media links, and a professional headshot or company logo. Keep it clean and not overly cluttered.
This generator produces a clean text-based HTML signature that works reliably across all email clients. While you can manually add an image URL to the HTML code, many email clients block images by default. Text-based signatures are recommended for maximum compatibility and deliverability.

Last updated: June 2026