Tutorials
Prefill a QR generator via link: the ?content= parameter
A link that opens the generator already filled in: the ?content= parameter for sharing a ready-made QR code in an email signature or a doc page.
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Category: Tutorials
Tutorials
Free bulk QR code generator: up to 100 codes in one ZIP file
Paste a list, get a ZIP of numbered PNGs: batch QR code generation for inventory labels, event badges, or product sheets — up to 100 per run.
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Tutorials
QR code with logo: brand it without breaking scannability
Putting a logo in a QR code works because of error correction — if you respect the size limit, the quiet zone, and level H. Here's the method.
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Tutorials
Scan a QR code from an image or screenshot — no camera needed
A QR code received by email, saved in a screenshot, or spotted in a photo: import the image and decode it locally — nothing gets uploaded anywhere.
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Tutorials
Wi-Fi QR code: share your Wi-Fi without ever saying the password
Create a free Wi-Fi QR code in seconds: your guests scan once and join the network. The password stays in the pattern, never sent to a server.
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Tutorials
vCard QR code: a business card that saves contacts in one scan
Generate a free vCard QR code: name, phone and email land straight in the scanner's contacts — no app, no typing. Ideal for business cards and events.
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