QR Code Generator
Generate QR codes for URLs, text, contact cards, or WiFi credentials. Customize size, error correction, and colors. Everything runs locally in your browser — no data leaves your device.
QR Code Generator — Custom Colors, Logo, and Error Correction
What It Does
QR Codes are2D barcodes invented by Denso Wave in1994. They can hold7000+ digits,4000+ alphanumeric chars, or1800+ kanji/Hanzi. This tool supports custom foreground/background colors, error correction levels (L/M/Q/H), size, and an optional center logo. Generation is100% local, with no upload — sharper output than any cloud service.
How to Use
- Enter your content (URL, text, WiFi config, vCard, etc.)
- Pick colors and error-correction level
- (Optional) upload a logo to embed in the center
- Click "Generate" and download PNG or SVG
Common Use Cases
- Encoding URLs, WiFi passwords, or contact cards
- Product packaging with traceability or coupon codes
- Conference check-in / event tickets
- Sharing long URLs via a single scannable code
FAQ
Q: What do L / M / Q / H levels mean?
A: Higher = more tolerant to damage (H survives30% obstruction) but denser. Use H when embedding a logo.
Q: Maximum capacity?
A:7089 digits,4296 alphanumeric, ~1817 kanji (UTF-8). Over the limit fails to scan.
Q: Is my data safe?
A:100% local generation, no server.
Tips
Pre-compress logos with the Image Compressor tool; <30% area is ideal.
Print = SVG (vector). Screen = PNG.
Need to decode a QR? Try the QR Scanner tool.
Common Use Cases
Use the QR Code Generator Online Free online for these scenarios:
- Daily work:: Bookmark this tool, use directly when needed, save time
- Easy to use:: Runs in web browser, no software installation needed
- Data safety:: All processing in your local browser, files not uploaded to server
- Free to use:: Completely free, no signup, no watermarks, no feature limits
- Cross-platform: Mac, Windows, Linux, mobile all work, just need a browser
Frequently Asked Questions
Here are the most common questions:
Q: Is this tool safe?
A: Yes. 100% client-side, data not uploaded, disappears when page closes.
Q: Do I need to register?
A: No. No login, no account, use directly.
Q: Are there usage limits?
A: No. Completely free, unlimited use.
Q: Does it support mobile?
A: Yes. All modern browsers work, including mobile.
Related Tutorials
Want to learn more about QR Code Generator Online Free? Check out these tutorials: