What is c4rd.biz?
c4rd.biz is a modern digital business card platform that helps professionals instantly share their identity, grow their network, and understand every interaction. Create beautiful digital cards, share them with a QR code or link, collect new connections, and track engagement with built-in analytics—all without printing another business card.
- Paper business cards are easily lost, outdated, and expensive to reprint.
- Traditional networking provides no way to track who viewed or saved your card.
- Contact sharing is slow, requiring manual typing or multiple apps.
- Professionals lack insights into how their networking actually performs.
- Create a beautiful digital business card in minutes
- Share instantly using a QR code or personalized link.
- Recipients can save your details and connect in one tap.
- Built-in analytics show views, saves, engagement, and new connections.
Key Features
Digital Business Cards
QR Code Sharing
Contact Exchange
Analytics Dashboard
Personalized Profiles
Smart Networking
Real-time Engagement Analytics
Contact Management
Integrations
Featurehunter
Capture user feedback from your most valued customers.
Reviews
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Birhan Nega★★★★★5.0Simple way to share contacts
Single source of truth for my contacts
More easier to use
More login options.
Thank you 😊
Redaite Geteye★★★★★5.0I can easily create my digital business card
So simple to create your card and to use it highly recommend it .
- I am able to share my card fast to anyone I want
- working perfectly yet don't see any Cons
Thank you 🙏
Questions & Answers
Have a question?
This is one of those products where I immediately think - why are we still printing business cards in 2026 😂 The QR sharing + analytics combo is especially nice. Getting someone’s contact is one thing, knowing whether they actually viewed or saved your card is much more useful. And honestly, finding the right people talking about networking, sales, events and lead gen could be a huge growth channel for this. That’s actually what we’re building with EarlyCustomers - finding those conversations across Reddit, X and LinkedIn and turning them into potential customers. Feels like c4rd.biz could be a fun use case for it.
Thanks Aryan! You actually hit the problem I’m working on right now 😄 Building c4rd has been the easier part; figuring out distribution and getting it in front of the right communities is the challenge. EarlyCustomers sounds relevant. I’d be curious to see what conversations/customers it could uncover for c4rd.biz.
Sure dude, so basically we uncover conversation and buying signals across reddit, linkedin and x and give that opportunities to you.... Sharing some here: linkedin.com/posts/ashley-dennison-consultant_question-from-someone-who-hasnt-networked-activity-7498021445235580928-k741 https://www.linkedin.com/posts/chelsea-shumate_i-just-got-my-official-business-card-for-activity-7498140037193048064-7UVs/ https://www.reddit.com/r/artistforhire/comments/1vtscsf/looking_for_an_artist_to_make_labels_business/ Lemme know how are these....
These are interesting bruhh. The first one especially is exactly the kind of conversation I’d want to catch. The Reddit one feels more like a false positive since they specifically want physical design. Can you run c4rd for a few more and show me what it finds? I’m curious how good the signal gets.
Sure dude... https://www.reddit.com/r/salestechniques/s/NejCMvCokP https://www.linkedin.com/posts/wahidhalabi_i-have-a-problem-with-business-cards-share-7498049434233171968-90pr/?utm_source=share&utm_medium=member_desktop&rcm=ACoAADmZMnMBONw4LWiPBH9sfEysUZt9o8mfX1c https://www.linkedin.com/posts/chelsea-shumate_i-just-got-my-official-business-card-for-share-7498140034001305600-ycKq/ Have a look, all by earlycustomers.com :)
Meet the Team
Ezedin Fedlu
Software engineer building products that make everyday interactions simpler. Passionate about AI, developer tools, and turning ideas into things people actually use. Currently building c4rd.biz and always learning by shipping.