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Audit QR Codes Before Trusting Them

Decode QR codes from posters, stickers, or untrusted sources to see what URL they point to before scanning with your phone.

Nid oes angen mewngofnodiMae ffeiliau'n aros yn breifat

Gollwng ffeiliau yma, neu cliciwch i bori

JPG, PNG, WebP, GIF dim cyfyngiad maint ffeil

Pori ffeiliau
β€” or β€”

Nid yw eich ffeiliau byth yn gadael eich dyfais. Mae'r holl brosesu yn digwydd yn lleol yn eich porwr.

Security Audit tips

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QR phishing is on the rise β€” malicious QR codes posted in public places. Use this tool to see the destination URL before opening it on your phone.

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A safe-looking sticker can hide a redirect URL. Always check the decoded text against the expected destination before opening links.

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Restaurants sometimes have fake QR codes stuck over real ones, pointing to fraudulent payment pages. The decoded URL exposes this immediately.

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Even decoded text is just text β€” clicking "Open link" navigates, but the decoder itself never auto-opens anything.

Sut Mae'n Gweithio

1
Dewiswch Ffeil
Drop your file into the tool above. It stays entirely on your device β€” nothing is sent to any server.
2
Proses
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Lawrlwythwch
Get your result instantly. Nothing is stored after you leave the page β€” complete privacy.

Pam defnyddio ein un ni?

βœ“Hollol rhad ac am ddim - dim costau cudd, byth
βœ“Nid oes angen cyfrif, e-bost na mewngofnodi
βœ“Nid yw ffeiliau byth yn gadael eich dyfais
βœ“Dim cyfyngiadau maint ffeil o gwbl
βœ“Dim dyfrnodau ar unrhyw allbwn

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