Penglab QR Code

QR Code Generator

Paste URL or text to generate a QR code.

Input text / URL

QR Code Preview

QR preview will appear here.

Quick guide

What this tool does

Generate QR codes from URLs or plain text instantly so you can share links, test flows, or hand off data between devices.

How to use it

Enter a URL or short text string, then generate a QR code that you can scan from another device without leaving the page.

When this tool is useful

Share staging URLs between desktop and mobile devices. Create quick QR codes for docs, events, or internal tools. Turn short tokens or notes into scannable handoff flows.

Common use cases

Share staging URLs between desktop

Share staging URLs between desktop and mobile devices.

Create quick QR codes for

Create quick QR codes for docs, events, or internal tools.

Turn short tokens or notes

Turn short tokens or notes into scannable handoff flows.

Example input and output

Example input

https://penglab.net/tools/diff-checker

Expected output

A scannable QR code preview for the provided URL or text.

FAQ

Do generated QR codes leave the browser?

No. The QR image is produced locally in the browser and shown immediately on the page.

Can I use plain text instead of a URL?

Yes. The generator accepts URLs, short text, identifiers, or any string you want to encode.

Does QR Code run in the browser?

Yes. QR Code works in the browser so you can enter data, review the result, and copy the output without needing a separate desktop app.

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