QR Code Generator (URL, Wi-Fi, vCard, Text): What It Does
Generates customized QR codes from URLs, plain text, Wi-Fi credentials, vCards, and cryptocurrency addresses. It allows adjusting error correction levels, pixel colors, and exporting as SVG or PNG.
Example
https://filexshare.comRendered 2D matrix barcodeEncodes UTF-8 text into a 2D matrix barcode with Reed-Solomon error correction.
How to Use
- Choose a payload type (URL, text, Wi-Fi, or vCard) and fill in the details.
- Select an error correction level (L, M, Q, or H) and customize colors.
- Download the generated QR code in vector SVG or high-resolution PNG format.
Limitations
- Payloads exceeding 2,000 alphanumeric characters result in very dense, hard-to-scan QR codes.
- Low contrast between foreground and background colors can prevent phone cameras from reading codes.
Frequently Asked Questions
Which error correction level should I pick for printed QR codes?
Level H (High) tolerates up to 30% data loss, making it ideal if you plan to overlay a custom logo or expect physical wear on print.
What format should Wi-Fi credentials follow for automatic phone scanning?
Wi-Fi QR codes use the standard WIFI:S:<SSID>;T:<WPA|WEP>;P:<password>;; format recognized natively by iOS and Android.
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