How many QR codes can I generate?

Hundreds comfortably. Very large batches (10k+) may slow the browser and take a minute to zip.

How are filenames chosen?

If your CSV has 2 columns, column 1 becomes the filename and column 2 the QR data. Otherwise QRs are numbered 001.png, 002.png…

No. Every QR is rendered and zipped locally.

Bulk Tools

Turn a list of URLs (or a CSV of filename,url) into a downloadable ZIP of PNGs — offline.

List of URLs / text Upload .csv / .txt

Detected 3 items.

Foreground

Background

Error correction

Size512px

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Sample any pixel color from an uploaded image.

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