Qrcode generator online

How to use qrcode generator ?

1. Enter the URL or characters in the top textarea,You can custom style the QR code by its line color and background color,
2. If you want to set a logo for your QR code, you can upload a logo image and set the border color and proportion of the logo.
3. Click the Generate button to generate the QR code, and the result will display in the picture box on the left.

The QR code generated by our tool can be used normally on any scanning device，Place the mouse on the QR code and right click to save as a picture.

What is qrcode ?

QR code (Quick Response Code) is a type of two-dimensional code that encodes data by encoding binary bits in a square two-bit matrix through black and white marks. It was first invented for tracking parts in the Japanese automobile manufacturing industry. There are 40 standard versions and 4 micro versions of QR codes. There are four ways to encode data in QR codes:

1. Numbers (Numeric): 0-9
2. Alphanumeric letters and numbers (0-9, A-Z, space, $, %, *, +, -, ., /, :
3. Binary/byte: encoded by ISO/IEC 8859-1 standard
4. Japanese Kanji/Kana: encoded by Shift JIS JIS X 0208 standard

There are four levels of error tolerance for QR codes:

1. L (Low): 7% of the code can be corrected
2. M (Medium): 15% of the code can be corrected
3. Q (Quartile): 25% of the code can be corrected
4. H (High): 30% of the code can be corrected