QR Code Generator Online
Generate QR codes online for URLs, plain text, email, phone numbers, WiFi strings, and campaign links. Customize size and colors, then download a PNG. Runs entirely in your browser: no uploads, no sign-ups.
How to Use
- Enter any URL, text, email, phone number, or WiFi credentials in the input field.
- Customize the size and colors if needed.
- Click Generate QR Code.
- Click Download PNG to save the image.
Features
Instant Generation
QR codes are generated instantly on the client side with no server processing.
Customizable
Adjust size, foreground color, and background color to match your branding.
Download as PNG
Save your QR code as a high-quality PNG image ready for print or digital use.
Useful QR Code Formats
Website URL
Paste a full URL such as https://quicktoolflow.com. This is the most reliable format for menus, flyers, posters, and product packaging.
Email or phone
Use mailto:name@example.com for email links or tel:+15551234567 for phone links.
WiFi credentials
Many camera apps support WiFi strings like WIFI:T:WPA;S:NetworkName;P:Password;;.
Plain text
Plain text works for short notes, serial numbers, event codes, or internal labels.
Practical QR Code Workflows
Campaign tracking
Build a UTM-tagged URL first, then generate a QR code from the final campaign link. This keeps offline posters, flyers, packaging, and event signs measurable in analytics.
Operations and support
Use QR codes for equipment labels, setup instructions, return forms, onboarding checklists, or support intake pages. Short destination URLs scan more reliably on small labels.
Print review checklist
Test the downloaded PNG at final print size, confirm contrast under real lighting, and scan from the expected distance before ordering a full batch.
Scanning Reliability Tips
- Keep strong contrast between the foreground and background colors.
- Avoid very long text when the QR code will be printed small.
- Leave quiet space around the QR code so scanners can detect its edges.
- Test the downloaded PNG on multiple phones before printing it in bulk.
Frequently Asked Questions
What data can I encode in a QR code?
URLs, plain text, email addresses, phone numbers, SMS messages, WiFi credentials, and more. QR codes can hold up to about 4,296 alphanumeric characters.
Is there a size limit?
The more data you encode, the denser the QR code becomes. Very long URLs or text may require a larger size for reliable scanning.
Is my data sent to a server?
No. Everything runs entirely in your browser. Your text is never uploaded anywhere.
Can I use custom colors?
Yes, but keep the foreground much darker than the background. Low-contrast QR codes are harder for cameras to scan.
What size should I download?
Use 256 px or 512 px for most digital uses. For print, choose a larger size and test the final physical output before distribution.
Should I use a short URL?
Shorter URLs usually create less dense QR codes, which can improve scanning on small labels or low-quality print materials. Make sure the short URL is stable before printing.
Can I track QR code performance?
Yes. Generate the QR code from a tagged URL, such as a URL with UTM parameters, so analytics tools can separate scans by campaign, medium, source, or placement.
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