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QR Code

Generate a QR code and save it as PNG.

Content

Size

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Error correction level H, so the code still scans after a logo, a fold or a bad print.

Other tools

MD5, SHA-1, SHA-256 and SHA-512 from any text.

Sign a message with a shared secret.

Bulk UUID v4 from the system CSPRNG.

Password Generator

Strong passwords with a live entropy estimate.