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#qrcode

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STSon Tranttsalpha.hashnode.devMay 18 · 1 min read

Announcing @ttsalpha/qrcode — Lightweight, fully customizable React QR codes (SVG)

A tiny React QR code library rendered as pure SVG. No canvas, no runtime dependencies, and fully typed with strict TypeScript — built from scratch. Website: https://qrcode.ttsalpha.comInstall: pnpm ad

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CJChris jr Nwaijechriskript.hashnode.devMay 8 · 2 min read

ScanCodeQR: A Simple QR Code Generator for vCard Digital Contact Cards

A few years ago, I built a very simple QR code generator that converted website links into QR codes. Nothing fancy. Just a lightweight frontend project. At the time, it was mostly experimental. Fast f

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SJShrey Joshilearnwithshrey.hashnode.devApr 8 · 8 min read

That Black and White Square Isn't an Image. It's a Language.

You walked into a restaurant today. The menu was a QR code on the table. You pointed your phone at it — and the menu opened. You didn't type a URL. You didn't search for anything. You just pointed a c

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LALaniyan Abdul-Qawi Oladotundevdotun.hashnode.devMar 12 · 4 min read

How QR Codes Actually Work

A QR code (Quick Response code) is a type of 2D barcode that stores data in a grid of tiny black and white squares. When your phone scans it, the camera reads the pattern and converts it back into inf

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PPavelblog.keenthinker.comMar 5 · 7 min read

🕵️‍♂️ An offline QR code reader (Public Sector Edition)

What does it mean to work in the public sector? I'm working in the public sector / a goverment agency. I'm responsible for the digitalization of a specific area. Sadly, if you are in the public sector

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BBoldSignboldsign-blogs.hashnode.devFeb 12 · 3 min read

Introducing BoldSign’s LinkedIn QR Code Generator

A LinkedIn QR code lets anyone open your LinkedIn profile or page instantly with a quick scan. With BoldSign’s free LinkedIn QR Code Generator, you can turn any LinkedIn link into a scannable QR code in seconds with no sign-up, no watermark, and no l...

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MZMarcin Z Wawracybersecwaw.hashnode.devFeb 3 · 5 min read

Understanding QR Code Security Risks in Public Infrastructure

Municipal services increasingly rely on QR codes to provide fast, frictionless access to information. A recent example is Zarząd Dróg Miejskich (Board of City Roads) placing QR codes on poles and public infrastructure that redirect users to a map sho...

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JJebitoksharonjebitok.comJan 27 · 2 min read

Confidential - PDF x QR Code Scan (TryHackMe)

Introduction This challenge focuses on PDF forensics and steganography techniques. The scenario involves a confidential document from alleged "black hat hackers" containing a hidden QR code that's been covered by another image layer. Our objective is...

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CLCasie Liucasie.hashnode.devJan 26 · 5 min read

How to Generate Barcodes and QR Codes in Python: A Guide to Code 128, EAN-13, and Beyond

Barcodes and QR codes have become the backbone of modern data exchange and storage. By encoding information into machine-readable graphics, they make physical items become digital data for processing, powering everything from logistics and retail to ...

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AAlfredkepe.hashnode.devJan 23 · 4 min read

UTM Parameters for Dummies: Your Secret Weapon for Increasing ROI on Marketing Efforts

Ever wondered which of your marketing efforts are actually working? Whether it's that QR code on your product, your latest Instagram post, or that email newsletter – UTM parameters are your marketing detective tools that solve the mystery! What the H...

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#qrcode

Explore Hashnode

Trending tags this week

Announcing @ttsalpha/qrcode — Lightweight, fully customizable React QR codes (SVG)

ScanCodeQR: A Simple QR Code Generator for vCard Digital Contact Cards

That Black and White Square Isn't an Image. It's a Language.

How QR Codes Actually Work

🕵️‍♂️ An offline QR code reader (Public Sector Edition)

Introducing BoldSign’s LinkedIn QR Code Generator

Understanding QR Code Security Risks in Public Infrastructure

Confidential - PDF x QR Code Scan (TryHackMe)

How to Generate Barcodes and QR Codes in Python: A Guide to Code 128, EAN-13, and Beyond

UTM Parameters for Dummies: Your Secret Weapon for Increasing ROI on Marketing Efforts