QR Code Studio & Generator
100% In-Browser Privacy
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Create custom QR codes with custom colors, dimensions, and PNG export.
QR Code Content & Data Payload
Matrix Styling & Error Correction
Foreground
#000000
Background
#ffffff
Error Correction
PNG Resolution
Standard ISO 18004. Readable by all smartphones.
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100% Zero-Upload Privacy
All computation executes exclusively inside your device memory using Web APIs and WebAssembly. No data or files ever leave your browser.
Real-Time Native Execution
Zero network roundtrips. Operates offline without sending external API requests, delivering instantaneous sub-millisecond computation.
Developer-First Architecture
Engineered with RFC standards, cryptographic primitives (Web Crypto Subtle API), and production-grade formatting libraries.
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