Free Tool

Mailto Link Generator

Create clickable email links with pre-filled recipient, subject, and body — instantly generate RFC 6068-compliant mailto URLs and copy-ready HTML.

To *

Comma-separated for multiple

BCC

Comma-separated for multiple

Subject

Body

Link text (for HTML output)

Fill in the "To" field to generate a mailto link.

Common Questions About Mailto Links

When should I use a mailto link vs a contact form?

Mailto links are great for quick contact CTAs — they're simpler and instant. Use contact forms for lead capture or when you need to validate/store the request. For inbox reach, a mailto link won't tell you if the reply makes it to your inbox.

Will all email clients support pre-filled subject and body?

Yes. RFC 6068 (the mailto spec) is supported across Gmail, Outlook, Apple Mail, and all modern browsers. Pre-filled subjects and bodies work reliably — the only exception is very old or specialized email clients.

How do I protect my email address from spam bots?

Mailto links are scraped by bots. If spam is a concern, use a contact form instead, or obfuscate your address in code using CSS or JavaScript. You can also use services like email cloaking or CloudFlare Email Routing.

What's the maximum length for a mailto: URL?

Browsers support very long URLs (2000+ chars). However, some email clients truncate long body text. Keeping your body under 500 characters is safest for maximum compatibility.

Why We Built This Tool

Building mailto links manually requires URL encoding special characters, understanding RFC 6068 syntax (query string format, parameter order), and testing across email clients. This tool generates RFC-compliant mailto URLs with pre-filled to, cc, bcc, subject, and body — ready to paste into websites, email templates, or signatures.

What Goes Wrong Without This

Manually constructed mailto links often have encoding errors (spaces as spaces instead of %20, & incorrectly encoded), syntax errors (wrong query string format), or missing parameters. Broken mailto links frustrate users and create a poor contact experience.

Who This Tool Is For

E-commerce & DTC Brands

Create contact mailto links for product pages and support sections. Mailto links are instant — no form submission required.

Email Marketing Agencies

Generate standardized mailto links for client websites and email signatures. Ensure consistent contact experience across client properties.

B2B SaaS & Outbound Teams

Build sales outreach mailto links for website CTAs and email signatures. Mailto links open recipients' email client instantly for quick replies.

Frequently Asked Questions

When should I use a mailto link vs a contact form?

Mailto links are instant and require no server infrastructure. Use them for quick contact CTAs. Contact forms are better for lead capture, validation, and when you need to store submissions. For email reach, neither can guarantee your replies land in the inbox — that depends on sender reputation.

Do all email clients support pre-filled subject and body?

Yes. RFC 6068 (the mailto specification) is supported across Gmail, Outlook, Apple Mail, and all modern browsers. Pre-filled subjects and bodies work reliably — the only exception is very old or specialized email clients.

How do I protect my email address from spam bots?

Mailto links are scraped by bots. If spam is a concern, use a contact form instead, or obfuscate your address with CSS or JavaScript. You can also use email cloaking services or CloudFlare Email Routing.

Do I need an InboxEagle account to use this tool?

No. This tool is completely free and requires no account or sign-up. InboxEagle provides it as a standalone resource for email marketers, developers, and agencies.

Don't Just Collect Replies — Monitor Where Your Emails Land

Mailto links are great for contact CTAs, but they can't tell you if your own campaign emails are reaching the inbox. InboxEagle monitors Gmail, Outlook, and Yahoo delivery in real-time.

Start Free 14-Day Trial

No credit card required · Cancel anytime