Build and print custom QR codes. Instantly.
Harkle QR is a free QR code maker designed for developers, local business owners, and creators. Convert URLs, WiFi networks, WhatsApp links, and UPI Pay codes into ready-to-print cards.
URL / Website
Create a QR code that opens a website link when scanned.
WiFi Network
Create a QR code that connects devices to your network instantly.
WhatsApp Direct Link
Create a QR code that opens a direct WhatsApp chat window with your number.
UPI Payment QR
Create a merchant QR code that supports GPay, PhonePe, Paytm, and all Indian UPI apps.
Phone Number
Create a QR code that dials a phone number when scanned.
If your phone adds extra digits when scanning, try switching to Local format
Message Card
Create a QR code containing a beautifully framed greeting message card.
QR Dimensions
Enter some information on the left to generate your live QR code preview.
Understanding QR Codes: The Power of Static Codes.
Quick Response (QR) codes have transformed how we bridge physical and digital media. At its core, a QR code is a matrix barcode that encodes raw characters into a two-dimensional grid of black and white pixels. When a smartphone camera scans this grid, it decodes the pattern back into text, a phone dialer call, a link, or a payment command.
Static vs. Dynamic QR Codes
QR codes generally fall into two categories: Static and Dynamic. Dynamic QR codes encode a short redirect link pointing to a third-party database server. This allows the owner to change the destination URL later or track click metrics, but it introduces major drawbacks: if the database goes down, your account gets suspended, or the service goes out of business, the QR code stops working completely. Many platforms exploit this by pushing dynamic codes, only to charge high recurring subscription fees later.
Static QR codes, which Harkle QR generates, encode the actual destination information directly into the grid pixels (e.g., your actual WiFi password, WhatsApp link, or UPI payment ID). There is no middleman redirect server, no tracking script, and no cloud dependency. Once printed, a static QR code never expires and will work offline forever.
Harkle QR Use Cases
- WiFi Connections: Streamline guest boarding. Scanning a WiFi QR code reads network settings (SSID, security mode, and password) and configures the smartphone connection instantly, removing the need to type complex passwords.
- Direct WhatsApp Chat: Create pre-formatted WhatsApp direct links. Ideal for physical customer service desks, flyers, and merchant counters.
- UPI Payments: Specifically optimized for India's digital banking ecosystem. Output a raw UPI deep-link URL (upi://pay) containing your VPA ID. Customers scan and authorize instantly using BHIM UPI, GPay, Paytm, or PhonePe.
- Website URLs: Direct clients to digital menus, portfolios, documentation, or social media pages.
Why Print Templates Matter
A bare QR code floating on a page is rarely effective—users need context on what happens when they scan it. Our custom-made Print Templates provide that context. By framing the QR code with clear calls-to-action like "Free WiFi" or "Pay via UPI", you drastically increase scan engagement. Additionally, our A4 Multi-Print layout allows business owners to tile 6 copies of any label onto a single sheet, making it incredibly cheap and fast to produce custom stickers and signage.
Compare: Harkle QR vs. Competitors.
See why Harkle QR is the preferred tool for clean, non-expiring QR codes.
| Feature / Attribute | Harkle QR | QRFY / Competitors |
|---|---|---|
| Account Requirements | None. Fully anonymous. | Required. Forces user registration. |
| Pricing Model | 100% Free. No hidden fees. | Paid subscriptions required for downloads. |
| Expiration Risk | Never. Pure static codes. | High. Codes expire if you stop paying. |
| UPI (Indian Payments) | Native integration with preset. | No support or complex configuration. |
| Print Templates | 5 beautiful presets (WiFi, WhatsApp, UPI, A4 Sheet). | Locked or cluttered editor. |
| User Interface | Sleek, ad-free, dark/light mode. | Cluttered with sales prompts. |
Frequently Asked Questions.
How long does a Harkle static QR code last?
Harkle static QR codes last forever. They encode the raw data directly inside the matrix dots. Since there is no redirect URL or third-party database dependency, they never expire and can be scanned offline indefinitely.
Is there a fee or login required?
No, Harkle QR is completely free and requires no account. You do not need to register, enter credit card details, or pay anything to generate, customize, download, or print your QR codes.
Can I edit a static QR code after it has been created?
No. By definition, static QR codes cannot be edited because their data is hardcoded into the graphic pattern itself. If your link or credentials change, you will need to generate a new QR code (which takes less than 10 seconds).
What is the Print Template feature?
The Print Template feature packages your generated QR code into an interactive card framework (e.g. WiFi Card, WhatsApp Card, UPI Payment Card). You can adjust text labels, pick color presets, download the card as a high-resolution PNG, or use the A4 Multi-Print template to print 6 cards simultaneously on a single sheet of paper.
Does the UPI Payment QR support all bank apps?
Yes. The UPI generator uses the standardized UPI merchant payment link format (`upi://pay`), which is natively supported by Google Pay, PhonePe, Paytm, BHIM, and bank-specific mobile applications in India.