Complete Suite of Free QR Code Generators
Choose from 10 standardized QR code formats — a full QR code builder and 2D code generator engineered for reliability across Android and iOS devices. Every code is generated directly on your browser without server tracking or account walls.
Universal QR Studio
Select any tab to immediately generate and download your custom QR code.
Tip: If you omit https://, it will be automatically added for standard protocol compatibility.
Color Configuration
Safely rendered in the center with high error correction (H) so the QR code remains 100% scannable. Max 2MB.
https://jankarstudio.in
Inspect Raw Payload
https://jankarstudio.inYour input is processed strictly in your browser. No passwords, Wi-Fi keys, or UPI data are sent to any remote server.
Choose What to Create: 10 QR Code Types
Every QR code format is standardized, tested with real phone scanners, and generated 100% on your device — no barcode generator software to install.
Website URL QR Code
Direct visitors seamlessly to your website, blog, portfolio, or landing page without typing URLs.
UPI Payment QR Code
Enable instant payments via GPay, PhonePe, Paytm & BHIM. Ideal for Indian shops, kiranas, and freelancers.
Wi-Fi QR Code
Share home or cafe Wi-Fi credentials securely. Guests join your network automatically with one scan.
WhatsApp Chat QR Code
Launch a direct WhatsApp conversation with a pre-filled message for quick customer support and inquiries.
Contact Card (vCard) QR
Encode full contact details including name, phone, email, and address directly into phone address books.
Email QR Code
Draft pre-addressed emails with preset subject lines and message templates for orders and inquiries.
Plain Text QR Code
Encode notes, Wi-Fi keys, Hindi Unicode text, serial numbers, or promotional codes up to 1,000 characters.
Phone Number QR Code
Prompt the smartphone telephone dialer immediately for direct helpline and customer support calls.
SMS Message QR Code
Trigger SMS messages with preset recipients and text for quick confirmation and event registration.
Location & Maps QR Code
Share precise geographic coordinates or Google Maps locations for storefronts, weddings, and venues.
QR Code Format Specifications & Compatibility
A technical overview of the payload protocols and standard smartphone handling for each QR type.
| Type | Underlying Payload | Device Support | Primary Use Case |
|---|---|---|---|
| Website URL | https://... | iOS & Android native camera | Marketing campaigns, social profiles, restaurant menus |
| UPI Payment | upi://pay?pa=...&pn=...&cu=INR | GPay, PhonePe, Paytm, BHIM, all Indian bank apps | Countertop billing, merchant payments, freelancers |
| Wi-Fi Network | WIFI:T:WPA;S:...;P:...;; | iOS 11+, Android 10+ camera prompt | Guest Wi-Fi in cafes, offices, Airbnbs, homes |
| WhatsApp Chat | https://wa.me/... | Any phone with WhatsApp installed | Customer inquiry desk, catalog orders, feedback |
| Contact Card (vCard) | BEGIN:VCARD ... END:VCARD | iOS Contacts, Android Contacts | Physical visiting cards, resumes, conferences |
| Location / GPS | geo:lat,lon or Google Maps | Google Maps, Apple Maps | Wedding invites, storefronts, event directions |
| Email Message | mailto:... | Default mail client (Gmail, Apple Mail) | Support desk requests, order inquiries |
| Phone Call | tel:... | Native phone dialer | Customer care helplines, emergency assistance |
| SMS Message | sms:... | Native Messages application | SMS keyword subscriptions, offline opt-ins |
| Plain Text | UTF-8 string (Hindi, English, etc.) | All standard QR code scanner apps | Vouchers, serial codes, multilingual notes |