Is qrcode-toolkit open source?

Yes — antfu/qrcode-toolkit is open source, released under the MIT license.

What language is qrcode-toolkit written in?

antfu/qrcode-toolkit is primarily written in Vue.

How popular is qrcode-toolkit?

antfu/qrcode-toolkit has 1.2k stars on GitHub.

Where can I find qrcode-toolkit?

antfu/qrcode-toolkit is on GitHub at https://github.com/antfu/qrcode-toolkit.

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antfu/qrcode-toolkit

QR codes that actually scan after AI gets artsy with them

A browser tool that closes the gap between Stable Diffusion's creative QR abstractions and your phone's camera.

★1.2k stars Vue Creative · Design Other AI

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What it does Generates clean base QR codes, then compares them pixel-by-pixel against AI-generated variants to flag exactly where the diffusion model mangled the pattern. There’s a walkthrough guide and a live web app, plus a companion extension for AUTOMATIC1111’s Stable Diffusion Web UI.

The interesting bit The hard part of AI QR codes isn’t making them pretty—it’s making them scannable. This toolkit treats QR readability as a diffing problem, which is a pleasantly mechanical solution to an otherwise fuzzy generative-AI headache.

Key highlights

Live app at qrcode.antfu.me — no install required
Pixel-level comparison between base and generated QR codes
Companion SD Web UI extension for in-pipeline refinement
Vue-based frontend; MIT licensed
Detailed walkthrough by Anthony Fu on his personal blog

Caveats

README is sparse on technical architecture; you’ll need to read the code or blog post for implementation details
The SD Web UI extension lives in a separate repo, so this core repo is just the comparison toolkit and web app

Verdict Grab this if you’re iterating on AI-generated QR codes and tired of waving your phone around hoping one scans. Skip it if you just need a standard QR generator—there are lighter tools for that.

Frequently asked

What is antfu/qrcode-toolkit?: A browser tool that closes the gap between Stable Diffusion's creative QR abstractions and your phone's camera.
Is qrcode-toolkit open source?: Yes — antfu/qrcode-toolkit is open source, released under the MIT license.
What language is qrcode-toolkit written in?: antfu/qrcode-toolkit is primarily written in Vue.
How popular is qrcode-toolkit?: antfu/qrcode-toolkit has 1.2k stars on GitHub.
Where can I find qrcode-toolkit?: antfu/qrcode-toolkit is on GitHub at https://github.com/antfu/qrcode-toolkit.