aczh.dev

Just a collection of tools I've developed to solve daily headaches of my own, which I believe some of you might have too. Feel free to use them. It's absolutely free (at least for now). No account needed.

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QR Studio & Threat Scanner

Direct endpoint QR code creator with zero redirects, webcam & phone camera scanning, and automated cyber threat audits.

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NRIC / FIN Engine

Singapore identity verification with reverse missing-digit solver, full Mod-11 math audits, and synthetic test data generation.

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URL Shortener

High-performance link shortener with live click tracking, instant QR generator, and developer API.