QR Code Generator
Generate QR codes from text or URLs. Supports color, size, logo composition, image saving, and copying.
How to Use
- STEP 1
- Simply enter text or URL, set color, size, logo composition, etc., and QR codes will be generated in real-time.
- STEP 2
- Generated QR codes can be saved or copied in PNG/SVG format.
- STEP 3
- Logo composition and color changes are reflected with one click.
Notes
- QR code contents may be readable by third parties. Avoid embedding personal or confidential information.
- Logo composition or color changes may make recognition difficult on some reading devices.
- Copyright of QR codes belongs to Denso Wave Corporation.
- We cannot be held responsible for any damage caused by the use of QR codes generated by this service.
Tips
QR codes were developed in 1994 by Denso Wave, an automotive parts manufacturer. They were created to efficiently manage automotive parts.
The 'QR' in QR code stands for 'Quick Response,' indicating its fast reading speed compared to traditional barcodes.
QR codes can store up to 7,089 characters. They can contain not just URLs, but also text, email addresses, Wi-Fi settings, and more.
FAQ
QUESTION 1
What is a QR code?
A type of 2D barcode that can store various information such as text and URLs.
QUESTION 2
Why can colors and logos be changed?
QR codes have error correction capabilities, allowing for some decoration and logo composition.
QUESTION 3
What information can be embedded?
Can be used for various purposes such as URLs, email addresses, text, Wi-Fi settings, etc.
QUESTION 4
Do QR codes have expiration dates?
Basically, QR codes themselves have no expiration date, but if the embedded URL destination disappears, access becomes impossible.
QUESTION 5
Tips for safe use?
Be careful not to read suspicious QR codes, and check the content before accessing.