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Encode text, links, and other information into scannable QR code images with customizable error correction levels and colors.
Enter content to generate QR code

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When you need to quickly convert a URL, contact information, or text into an image that can be easily recognized by smartphones or barcode scanners, a QR code generator is the perfect solution. A QR code (Quick Response Code) is a type of matrix barcode that encodes various types of data—such as text, URLs, and contact details—into a black-and-white (or custom-colored) dot pattern. The core function of this tool is to encode any text you input into a standard PNG QR code image in real-time, while allowing you to adjust the error correction level, foreground color, and background color.
Q: What does the error correction level mean? Which one should I choose?
The error correction level determines the QR code's ability to be correctly scanned even if parts of it are damaged or obscured. The levels from lowest to highest are L (approx. 7% restoration), M (15%), Q (25%), and H (30%). If the QR code will be printed and posted, or might be partially covered, we recommend choosing Level Q or H. If it will only be shared on screens in a clean environment, Level L or M is sufficient.
Q: How do I create a QR code for a WeChat Official Account link?
Simply copy the full URL of the article or homepage, paste it into the tool's input box, and generate the code. For example, enter a link like "https://mp.weixin.qq.com/s/...".
Please ensure your input content is accurate, as it cannot be directly modified after generation. We recommend uploading a logo with moderate dimensions and a clean background; overly large or complex logos may affect scanning readability. When customizing colors, ensure there is enough contrast between the foreground and background (e.g., a dark foreground on a light background). The generated QR code is in PNG format. If you need an extremely high resolution, we recommend using professional image software to upscale it losslessly after generation.
For QR codes intended for long-term use or printing, we recommend selecting a higher error correction level (such as Level H) and generating a sufficiently large size (e.g., 300x300 pixels or more) to account for material wear, ink bleed, or long-distance scanning. A typical use case: encoding conference Wi-Fi credentials as "WIFI:T:WPA;S:Conference;P:Pass1234;;" into a QR code and printing it on venue signage. Attendees can simply scan the code to automatically connect to the network, avoiding the hassle of manually typing passwords. When designing colored QR codes, you must follow QR code specifications and ensure the finder patterns (the three square blocks in the corners) are not recolored or covered, as they are critical for scanning devices to successfully locate and decode the image.