21st Birthday Group Cards
Make your friend's 21st birthday one for the books with a GroupTogether Card! Send a card yourself or get the whole crew to leave messages, share embarrassing photos and add silly GIFs.
All Cards 21st Birthday Group Cards
Over 1 million
happy customers
happy customers
21st birthday cards from the whole group
- Unlimited messages on your birthday card
- Add funny photos and GIFs to make them smile (or cringe)
- Anyone can sign the card online with a link
- Invite friends and send reminders via email
- Share online or download as a PDF to print
- Track card activity in your dashboard
How To Send a 21st Birthday Card With GroupTogether
Celebrate a milestone like no other with our selection of 21st birthday cards! Whether you’re looking for a funny, cheeky, or heartfelt way to mark this special occasion, we’ve got the perfect 21st birthday card for any sense of humour. Bring everyone together with a group birthday card, an unforgettable way to celebrate turning 21 with family, friends, or even coworkers.
Step 1: Create Your Birthday Card
Browse our huge range of 21st birthday card designs and set up your card in minutes.
Step 2: Invite & Sign
Invite friends via email or share a link. Add messages, photos, or GIFs.
Step 3: Download or Share Online
Download your hilarious birthday card as a PDF to print yourself, or send it digitally.
birthday cards - what customers are saying
You may be wondering
The Group Card is $5.50 USD (including tax & fees) in the US, UK and Canada. Buy a pack of cards and save up to 37%. See what’s included on our pricing page.
Yes! Our group cards are available worldwide. Gift collections and eGift Cards are currently only available in Australia and the US.
GroupTogether group cards have unlimited messages included in the price - no additional upgrades required.
A GroupTogether group card lets everyone add messages and photos to a digital greeting card online. Anyone can sign from anywhere in the world.
In the UK, you can use GroupTogether to create an online group card. Simply choose your card design, tell us a few details and then invite the group! You can either add emails for us to invite and remind for you, or share the link.
Everyone can add messages and photos from anywhere in the world, inside or outside of your organisation. GroupTogether cards have unlimited messages included in the price - no hidden upgrades. You can schedule the card to be sent digitally, or download it as a PDF to print and give.
Gift collections and eGift Cards are currently not available in the UK.
Funny 21st birthday cards
Let's face it - turning 21 is kind of a big deal. Whether you're celebrating your roommate's bday or your sibling's milestone moment, a birthday card signed by the whole group captures all the excitement of turning 21.
GroupTogether makes it easy to collect messages from the whole crew. Get everyone to add personal notes, upload photos of their favourite memories and add funny GIFs.
Simply pick the perfect 21st birthday card design, share it with your circle and sign away. Download and print out a PDF to give in person, or share an online version. It's the most painless way to organize an epic 21st birthday celebration and make sure everyone gets to toast to your friend’s big day!
Ready to create your 21st birthday card?
Get started in seconds. Pick a design and invite others to sign the 21st birthday card. It’s that easy!
