QR Code Genie
Beautiful QR codes with unlimited scans and analytics
What it does
QR codes shouldn't have to be ugly or expensive to scale. QR Code Genie lets you create fully styled static QR codes for free, then grow into dynamic links, real-time analytics, bulk generation, custom domains, webhooks, and API automation. Static codes never expire, and every dynamic plan includes unlimited scans — no scan caps or overage surprises.
Create custom-styled QR codes instantly. 100% free static codes with high-res SVG export, or unlock dynamic tracking link analytics and developer API access.
Full styling, every shape and color, on every plan. Upgrade anytime to make it trackable and editable after it's already printed. Create QR codes for URLs, Wi-Fi, contacts, text, email, phone, SMS, events, locations, social profiles, app links, crypto addresses, and more. Customize module shapes, eye styles, colors, gradients, logos, and decorative elements — including on the Free plan. Create dynamic QR codes that can be updated, paused, redirected, or expired without replacing the printed code. Understand how your dynamic QR codes perform with scan totals, locations, devices, operating systems, browsers, and scan timelines. Upload a CSV or paste a list of destinations, apply a consistent…from qrcode-genie.com
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QR Code Harbor5d ago · qrcodeharbor.com · ▲2Editable QR codes with scan tracking, free and no sign-up

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OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
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Launched alongside, August 2026
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Life & fun · 10d ago · louisabraham.github.io


- SA
Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io


I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
AI · 17d ago · simedw.com