Why I Built c4rd.biz
Hi everyone! I'm Ezedin, a software engineer from Sweden and the solo founder of c4rd.biz.
It started with a simple frustration.
Every time I met someone, we'd exchange LinkedIn usernames, try to spell names, search through profiles, or promise to "connect later"—and sometimes never did.
I wanted networking to be effortless.
Open one link. Scan one QR code. Save a contact instantly. Exchange details both ways. Keep every connection in one place, with insights into how your networking is actually performing.
That's why I built c4rd.biz.
It's still early, and I'm actively improving it based on feedback. I'd genuinely love to hear what you think and what features you'd want from a modern networking platform.
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Comments (14)
Welcome to the community, Ezedin 🙋🏻♂️ Lets connect :) https://c4rd.biz/sergeykargopolov-lflf
Thank you for the warm welcome and for being the first to share your c4rd 😄 Let’s connect! 🤝
That would have been so useful at Web Summit! I still have dozens of business cards sitting in a pile that I haven't had time to go through. The people I actually connected with were the ones who had a LinkedIn QR code ready. Everything else is still waiting in that pile. Welcome to SaaS Hive, Ezedin!
Thank you, Olga! 😊 That’s exactly the frustration that led me to build this. Hopefully next Web Summit there won’t be any pile of business cards waiting to be sorted. I’d love to hear your feedback if you give it a try!
Ezedin, the part I keep thinking about is how much dead time goes into the current version of this, spelling names, hunting for the right profile, promising to connect later and mostly not following through. A single scan replacing all of that is a small action with a real payoff. Curious what surprised you most once people started actually using it versus how you imagined they would.
Great question. I built it to make it easy to exchange contacts, keep them organized, and save notes so I don’t forget how we met. That’s a problem I had myself.
It’s still early, so I’m mostly listening. People have shared some great ideas, and I’m keeping them on my list for future updates.
How do you like it so far? I’d love to hear any feedback or suggestions.
Ezedin, starting from today, there is now a centralized place on SaaS Hive to request feedback on your project. If you are still looking for feedback, please have a look at this page there: https://saashive.com/founder-community/request-feedback
That's nice ☺️ Thank you.
Ezedin, I have not made my own card yet, but the two comments already sitting on this thread from Sergey and Olga are the real proof of concept, both of them exchanged a card here without leaving the page. That is a stronger demo than any feature list could be. My honest suggestion is the notes idea you mentioned, since a saved contact without context on how you met is almost as easy to forget as the paper card it replaces.
That's a great point. I hadn't thought about it that way. The notes feature is already there. Thanks for the thoughtful feedback!
Ezedin, glad the notes point landed, a saved contact without context on how you met is basically the same paper card problem in digital form. You have been genuinely open to feedback this whole thread, so I want to ask for the same back. I am building FounderFlow, an AI Executive Chief of Staff that watches a founder's business and tells them what needs attention next. Would you be open to taking a look and giving me an honest read, the same kind of thoughtful reply you gave me?
Ezedin, just bringing this back up in case it got buried. No pressure, I would still genuinely value your honest read on FounderFlow whenever you have a few minutes.
Hey Stacy, sorry I missed your earlier comment. Yes, absolutely. Send me the link and I’ll take a look. Happy to give you my thoughts 😊
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