Finance · Open source

SPAYD Decoder

Name: SPAYD Decoder
Author: Jan Čejka

Jan Čejka

Offline decoder for Czech SPAYD payment QR codes.

Opens the official F-Droid page

About SPAYD Decoder

Native Android app that decodes Czech SPAYD (Short Payment Descriptor)

payment QR codes. Works fully offline; no data leaves the device.

Features:

* Scan QR codes with the camera

* Share images or text into the app via the system Share Sheet

(gallery, screenshots, browser)

* Pick an image from storage

* Open spayd: URIs

* Parser derives the Czech account number from the IBAN

* One-tap copy for every field

* Material 3 with dynamic colors (Android 12+) and dark mode

Built on CameraX and zxing-cpp for QR decoding — no proprietary Google

dependencies.

* Made ABI splits configurable so the F-Droid build can produce a single universal APK * No user-facing changes

Tap Download — the app's official page on F-Droid opens.
Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
Open SPAYD Decoder from your app drawer.