
Pixel QR: QR & Barcode Scanner
Scan. Generate. Share. The simplest QR app you'll ever use
What it does
Hey PH! 👋 I'm Sanket, solo dev from India 🇮🇳 I built Pixel QR because every QR scanner I tried was slow, bloated & full of ads. Pixel QR is different: ⚡ Opens & scans instantly 🪶 Lightweight — under 10MB 🔒 Zero data collection 🆓 100% free, no paywalls 📶 Works offline 🤯 Customization at peak Scan QR codes, barcodes, Wi-Fi & generate QR codes — all in one clean app. My first Android app. Would love your feedback! 🙏
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Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…
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