Webinar Invitation Email

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Webinar Invitation Email — Free Responsive HTML Email Template

Marketing · v1.0.0 · Updated 2026-10-19 · Gmail, Outlook & Apple Mail · Dark mode

CategoryMarketing
Tagswebinarevent invitationlive eventregistrationsaasb2badd to calendar
Updated October 16, 2026

What's included

Features

Details box with date, time zones, length and platform
Bulletproof "Save my seat" registration button
"Add to Google Calendar" link (or a hosted .ics file)
Numbered three-point agenda
Two hosts with initials avatars and roles
Recording note for people who can't attend live
No images required: everything is real text
Light and dark palettes, both editable
Unsubscribe link and postal address
Plain-text version with every detail and link

About this template

Webinar Invitation Email — Free HTML Event Invite Template

Webinar Invitation Email template: A webinar and online event invitation: a "free live webinar" label, the session title and promise, a details box with date, time, length and platform, a "Save my seat" button, an "Add to calendar" link, a three-point agenda, two speakers with initials avatars and a recording note for people who can’t attend live.

Webinar Invitation Email is a free, responsive HTML template for inviting people to a webinar, live demo, workshop or virtual event. A good invitation tells readers in seconds what they'll learn, when it happens and how to register, and makes saving the date effortless.

What's in the email

A "Free live webinar" label, the session title as the headline and a short promise of what people will take away. A details box lists the date, time (with time zones), length and where it happens, followed by a "Save my seat" button and an "Add to Google Calendar" link. A numbered three-point agenda, two hosts with initials avatars and roles, and a note that the recording will be sent to everyone who registers finish the email.

No images needed

Avatars are initials in coloured circles and every detail is real text, so the invitation looks complete even with images turned off and stays light, well under Gmail's clipping limit. The layout uses tables and inline styles, the button is Outlook-safe, and the hosts stack on phones. A dark palette and plain-text version are included.

Promote it everywhere

Link the button to Zoom, Livestorm, GoTo Webinar, Riverside or your own landing page, and copy the HTML into HubSpot, Mailchimp, Brevo or Customer.io. Use it for the invitation, then resend it as a reminder the day before. For launch announcements, pair it with the Product Update template.

Why use it

Why Use the Webinar Invitation Email Template

📅
Answers "when?" instantly
Date, time zones and length sit in one box near the top, so readers can decide in seconds whether they can attend.
🎯
Sells the outcome
A headline promise and a three-point agenda explain what people will learn, which is what persuades them to register.
🎥
Wins registrations from no-shows
The recording note gets busy people to register anyway, growing your list and giving you a reason to follow up.

How it’s different

How It’s Different From Other Free Email Templates

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Real email HTML you own
Not a locked design inside a sending platform. Copy production-ready HTML, download a .html file or fork it into My Code, and use it with any email service or your own code.
⚙
Coded for real inboxes
Tables, inline styles, Outlook conditional comments, a VML button and Outlook font fixes. Many free templates only look right in a browser.
◐
Dark mode built in
Separate, editable light and dark palettes, with a dark preview, instead of leaving dark mode to each email client.
✓
Checks before you send
Warnings for Gmail clipping, missing alt text, placeholder links, images that aren't hosted online, and a missing unsubscribe link or postal address.
Plain-text version included
A matching plain-text version is generated as you edit, ready for multipart emails and the clients and filters that read text.
◍
Free and private
No account, no watermark and no limits. Everything runs in your browser, and your edits are saved locally for next time.

Step by step

How to Use

  1. 1
    Pick your email platformChoose Mailchimp, Klaviyo, HubSpot or Brevo under Merge tags so first names and unsubscribe links export in its syntax, or keep plain {{first_name}} tokens.
  2. 2
    Edit the contentFill in the invitation & button, event details, agenda and speakers, or click any text in the preview to jump to its field. Switch the agenda and speakers on or off.
  3. 3
    Add your brandUpload or paste your logo, set the brand colour and the light and dark palettes, pick fonts, or apply your saved brand kit.
  4. 4
    Preview and checkSwitch between desktop, mobile and dark mode, and fix anything the pre-send checks flag, such as placeholder links or missing alt text.
  5. 5
    Export or forkCopy the HTML into Mailchimp, Klaviyo, HubSpot, Brevo or your own code, copy the plain-text version, download a ZIP with images, or fork it into My Code.

Real-world uses

Common Use Cases

🎓
Educational webinar
Invite your list to a practical session, list three things attendees will learn in the agenda, and link the button to your Zoom or Livestorm registration page.
🖥
Live product demo
Invite trial users and leads to a live demo of a new feature, with a product manager and a customer as the two hosts and a live Q&A in the length line.
🔔
Reminder the day before
Resend to registrants with the subject "Tomorrow:", the button changed to "Join the webinar" and the calendar link kept, so they don't forget.
🏢
In-person event or meetup
Change "Where" to the venue address, swap the calendar link for a map link and use the agenda for the evening's schedule.

Got questions?

Frequently Asked Questions

Send the first invitation one to two weeks before the event, a reminder a few days before, and a final reminder on the day or an hour before. Registrations often peak in the last few days.

For Google Calendar, use a link like https://calendar.google.com/calendar/render?action=TEMPLATE&text=Title&dates=20261112T160000Z/20261112T164500Z, with times in UTC. For Outlook and Apple Calendar, host an .ics file and link to it instead.

Yes, if your audience is international. Give the time in your main audience's zone first and one or two others, such as "11:00 AM ET · 4:00 PM GMT".

The template uses initials avatars so it works without images. To use photos, fork it to My Code and replace the initials cell with an image tag, or add an Image section with a photo of your hosts.

Yes. Event invitations sent to a marketing list are commercial email under US CAN-SPAM, so they need an unsubscribe link and your postal address. Both are already in the footer.

It saves an editable copy of your Webinar Invitation Email in My Code, the UI Snippets code editor: the email markup goes in the HTML panel and its CSS (mobile and dark-mode rules plus fonts) in the CSS panel, so you can keep refining the code and save your own versions.

Yes. It is free for personal and commercial email, with no sign-up and no watermark. Everything runs in your browser, and your edits are saved locally.