Free digital business card · No app required

Share once.
Stay connected.

Create a digital business card people can open, save, and respond to.

Share by QR code, exchange details, and see engagement in one place.

  • Free to create
  • No app required
  • Works on any phone

Create → Share → Connect → Remember

How c4rd works

From first share to lasting relationship — without the friction of paper cards.

  1. 01

    Create your card

    Add your profile, contact details, links, and professional identity.

  2. 02

    Share it instantly

    Use your QR code or public link. The recipient does not need an app.

  3. 03

    Continue the connection

    Receive their details, understand engagement, and keep a history of the relationship.

Share anywhere

Ready whenever you meet someone.

Share c4rd in person, in a message, on social media, or anywhere your professional identity matters.

QR code

Scan with any phone camera — no app needed.

Public link

Share c4rd.biz/your-name anywhere online.

Native share

Use the device share sheet when available.

Contact save

One tap downloads a standard vCard.

Two-way exchange

Don't just share your details. Get theirs too.

When someone opens your card, they can send their contact information back to you in seconds.

Connect with Ezedin

Share your details so Ezedin can reply

Sarah Johnson
sarah@example.com
+1 415 ··· ····
TechCorp
Share my contact

Consent-based · You choose what to share

Meaningful analytics

Understand what happens after the scan.

See how many people reached your card, what they engaged with, what they saved, and how many became connections.

From 48 profile visits

Sample data

6 people connected

Engaged

1940%

Saved

1123%

Connected

612%

Most clicked: LinkedIn — 8 clicks

Your card. Your contacts. Your control.

Designed with privacy and user control in mind.

Consent-based exchange

People choose when to share their details with you.

Privacy-conscious analytics

Useful engagement insights without invasive fingerprinting.

Export your data

Download your account data anytime from Settings.

Delete your account

Remove your account and cards when you are done.

Frequently asked questions

Everything you need to know

Quick answers about creating, sharing, and receiving a c4rd.

What is c4rd?

c4rd is a digital business card and professional networking platform. It helps you share your details, let others save your contact, exchange information, and keep track of the people you meet.

Does someone need the c4rd app to view my card?

No. Anyone can open a c4rd link or scan its QR code from a web browser.

Can people save my contact information?

Yes. Visitors can save your contact details directly to their phone.

Can someone share their details back with me?

Yes. The contact exchange feature lets visitors send their information back to you.

Is c4rd free?

Yes. c4rd is currently free to use.

Ready for your next introduction?

Create your card, share it in seconds, and keep the connections that matter.

No app required · Free to create