How to make, scan and use QR codes

Task guides. Each one ends with a working generator, prefilled.

• How to add a logo to a QR codeSet error correction to Q or H, place the logo centrally at under about 20% of the code area, give it two or three modules of clear space, and verify the…
• How to generate QR codes in bulk from a spreadsheetExport a CSV with one row per code, upload it, and download a ZIP of images, a grid PDF, or Avery-format label sheets. Verify every code decodes before…
• How to make a QR codePick the type, enter your details, check the size against the scanning distance, and download SVG for print or PNG for screens. With UseQR the whole…
• How to track QR code scans without a paid toolPoint the code at a URL on your own domain carrying UTM parameters, and read the results in your own analytics. That gives you scan counts, timing and…