# Why Offline? Privacy First
Most online QR generators send your data to a server. This is a risk, especially for WiFi passwords or personal data. This tool uses JavaScript to generate the QR code directly on your device. You can even disconnect the internet and it will keep working.Open Source and Transparent
Do not trust it? The code for this tool is 100% open source. You can review how it works or download the project to run it on your own computer without internet.
# Use Cases
WiFi QR
Share your WiFi network with guests without having to dictate the password. They scan and connect automatically.
- Natively supported by iOS and Android
- Supports WPA2, WEP and open networks
URL QR
Convert any web link into a scannable code. Ideal for printing on physical materials.
- Any valid URL
- No expiry date
vCard QR
Digital business card. When scanned, the phone will suggest "Add contact" with all fields pre-filled.
- Name, phone, email and company
- Standard vCard 3.0 format
# Use Case Guide
For Home (WiFi): Tired of hunting for the WiFi password note every time friends visit? Generate a QR with your SSID and password. Print it and stick it somewhere visible. Your guests just need to open their camera app, point and done — they connect without typing anything.For Professionals (vCard): At networking events, paper business cards are a thing of the past. Generate a QR with your contact details. Carry it on your phone or print it on the back of your badge. When scanned, your new contact can save your name, phone, email and company directly to their address book.- QR Code
- 2D barcode that can store up to 4,296 alphanumeric characters. Modern cameras read it in under a second.
- vCard
- Standard format for digital contact cards (RFC 6350). Compatible with iOS, Android, Outlook and most contact managers.
- SSID
- Service Set Identifier. The visible name of a WiFi network that appears when searching for available networks on your device.
- WPA2
- Wi-Fi Protected Access 2. The most widely used WiFi security protocol. Uses AES encryption to protect communications.