--- title: "#qr-code-generator articles | Hashnode" description: "Explore 78 articles tagged #qr-code-generator on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/qr-code-generator" --- Tag # #qr-code-generator 78 posts · 2 followers [Vrushika D](https://hashnode.com/@vrushika) · [11h ago](https://hashnode.com/posts/qr-codes-and-edge-computing-processing-scan-requests-closer-to-the-user/6af5a411d355e39d898e7b8f) ### [QR Codes and Edge Computing: Processing Scan Requests Closer to the User](https://digitalqr.hashnode.dev/qr-codes-and-edge-computing-processing-scan-requests-closer-to-the-user?utm_source=hashnode&utm_medium=feed) Introduction Scanning a QR code takes only a few seconds, but what happens behind that scan? When a user scans a dynamic QR code, the request may travel to a central server, retrieve destination infor 4 min read · [digitalqr.hashnode.dev](https://digitalqr.hashnode.dev/qr-codes-and-edge-computing-processing-scan-requests-closer-to-the-user?utm_source=hashnode&utm_medium=feed) [Vrushika D](https://hashnode.com/@vrushika) · [6d ago](https://hashnode.com/posts/digital-provenance-and-qr-codes-making-product-histories-easy-to-verify/6aed6c2dd1e7867fd35facff) ### [Digital Provenance and QR Codes: Making Product Histories Easy to Verify](https://digitalqr.hashnode.dev/digital-provenance-and-qr-codes-making-product-histories-easy-to-verify?utm_source=hashnode&utm_medium=feed) Introduction Have you ever purchased a product and wondered where it came from or how it reached you? This is where digital provenance comes in. Digital provenance means tracking the origin, history, 3 min read · [digitalqr.hashnode.dev](https://digitalqr.hashnode.dev/digital-provenance-and-qr-codes-making-product-histories-easy-to-verify?utm_source=hashnode&utm_medium=feed) [Vrushika D](https://hashnode.com/@vrushika) · [Nov 5](https://hashnode.com/posts/qr-codes-in-the-age-of-ai-agents-connecting-the-physical-world-to-autonomous-systems/6aec23e2fe6497043600b181) ### [QR Codes in the Age of AI Agents: Connecting the Physical World to Autonomous Systems](https://digitalqr.hashnode.dev/qr-codes-in-the-age-of-ai-agents-connecting-the-physical-world-to-autonomous-systems?utm_source=hashnode&utm_medium=feed) QR codes have traditionally served a simple purpose: connecting a physical object to digital information. Scan a code, open a website, view a document or access a service. But the way we interact with 7 min read · [digitalqr.hashnode.dev](https://digitalqr.hashnode.dev/qr-codes-in-the-age-of-ai-agents-connecting-the-physical-world-to-autonomous-systems?utm_source=hashnode&utm_medium=feed) [Vrushika D](https://hashnode.com/@vrushika) · [Nov 3](https://hashnode.com/posts/qr-code-versioning-managing-changes-without-losing-history/6ae9a49304ec58d23bd2fbfa) ### [QR Code Versioning: Managing Changes Without Losing History](https://digitalqr.hashnode.dev/qr-code-versioning-managing-changes-without-losing-history?utm_source=hashnode&utm_medium=feed) QR codes are often treated as static assets. Generate a code, download it, print it, and use it wherever required. But what happens when the destination URL changes? What if a business updates its lan 7 min read · [digitalqr.hashnode.dev](https://digitalqr.hashnode.dev/qr-code-versioning-managing-changes-without-losing-history?utm_source=hashnode&utm_medium=feed) [Vrushika D](https://hashnode.com/@vrushika) · [Nov 2](https://hashnode.com/posts/the-hidden-role-of-database-indexing-in-managing-large-qr-code-collections/6ae88304d1e6eb56d244c2ed) ### [The Hidden Role of Database Indexing in Managing Large QR Code Collections](https://digitalqr.hashnode.dev/the-hidden-role-of-database-indexing-in-managing-large-qr-code-collections?utm_source=hashnode&utm_medium=feed) QR codes are easy to generate, but managing thousands or even millions of them efficiently is a different engineering challenge. Consider a platform where businesses generate QR codes for product labe 5 min read · [digitalqr.hashnode.dev](https://digitalqr.hashnode.dev/the-hidden-role-of-database-indexing-in-managing-large-qr-code-collections?utm_source=hashnode&utm_medium=feed) [Hovsep Arakelyan](https://hashnode.com/@pub404) · [Oct 31](https://hashnode.com/posts/why-i-built-a-static-qr-code-generator-after-my-free-qr-code-stopped-working/6ae62da463da98b9b9a04f2c) ### [Why I Built a Static QR Code Generator After My “Free” QR Code Stopped Working](https://quickconvertonline.hashnode.dev/why-i-built-a-static-qr-code-generator-after-my-free-qr-code-stopped-working?utm_source=hashnode&utm_medium=feed) Why my free QR code stopped working, how static and dynamic QR codes differ, and why I built an Android app and browser-based generator. 4 min read · [quickconvertonline.hashnode.dev](https://quickconvertonline.hashnode.dev/why-i-built-a-static-qr-code-generator-after-my-free-qr-code-stopped-working?utm_source=hashnode&utm_medium=feed) [Vrushika D](https://hashnode.com/@vrushika) · [Oct 31](https://hashnode.com/posts/building-a-scalable-qr-code-generation-system-technical-challenges-and-solutions/6ae5807e95b9cde0a487c272) ### [Building a Scalable QR Code Generation System: Technical Challenges and Solutions](https://digitalqr.hashnode.dev/building-a-scalable-qr-code-generation-system-technical-challenges-and-solutions?utm_source=hashnode&utm_medium=feed) QR codes have become an important part of modern digital interactions. From online payments and product information to event registrations and business networking, they provide a simple way to connect 11 min read · [digitalqr.hashnode.dev](https://digitalqr.hashnode.dev/building-a-scalable-qr-code-generation-system-technical-challenges-and-solutions?utm_source=hashnode&utm_medium=feed) [Vrushika D](https://hashnode.com/@vrushika) · [Oct 29](https://hashnode.com/posts/prompt-injection-through-qr-linked-content-testing-the-security-of-ai-powered-applications/6ae3329f94e379ad7dd05e81) ### [Prompt Injection Through QR-Linked Content: Testing the Security of AI-Powered Applications](https://digitalqr.hashnode.dev/prompt-injection-through-qr-linked-content-testing-the-security-of-ai-powered-applications?utm_source=hashnode&utm_medium=feed) QR codes have made it easier than ever to access websites, documents and online services. A quick scan can take users to almost any kind of digital content. But what happens when an AI application rea 7 min read · [digitalqr.hashnode.dev](https://digitalqr.hashnode.dev/prompt-injection-through-qr-linked-content-testing-the-security-of-ai-powered-applications?utm_source=hashnode&utm_medium=feed) [Vrushika D](https://hashnode.com/@vrushika) · [Oct 26](https://hashnode.com/posts/qr-codes-for-medical-reports-improving-healthcare-access-through-secure-digital-systems/6adf432cb03fc607cd3a05d0) ### [QR Codes for Medical Reports: Improving Healthcare Access Through Secure Digital Systems](https://digitalqr.hashnode.dev/qr-codes-for-medical-reports-improving-healthcare-access-through-secure-digital-systems?utm_source=hashnode&utm_medium=feed) Managing medical reports across hospitals, clinics, and diagnostic centres can be challenging. Printed reports may get misplaced or damaged, while patients often need to revisit healthcare facilities 7 min read · [digitalqr.hashnode.dev](https://digitalqr.hashnode.dev/qr-codes-for-medical-reports-improving-healthcare-access-through-secure-digital-systems?utm_source=hashnode&utm_medium=feed) [Vrushika D](https://hashnode.com/@vrushika) · [Oct 20](https://hashnode.com/posts/qr-code-expiry-broken-links-and-redirect-failures-how-to-design-for-reliability/6ad749f1e2ec8bb3429039a2) ### [QR Code Expiry, Broken Links, and Redirect Failures: How to Design for Reliability](https://digitalqr.hashnode.dev/qr-code-expiry-broken-links-and-redirect-failures-how-to-design-for-reliability?utm_source=hashnode&utm_medium=feed) A QR code may take only seconds to generate, but keeping it functional over time requires careful engineering. When a destination expires, a page disappears, or a redirect fails, users may encounter b 4 min read · [digitalqr.hashnode.dev](https://digitalqr.hashnode.dev/qr-code-expiry-broken-links-and-redirect-failures-how-to-design-for-reliability?utm_source=hashnode&utm_medium=feed)