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Decoder

Introduction

Do you need a QR code for your website, application, or social media profiles? Check out Decoder! The application lets you create, save, and export QR codes.

Assumptions

This guide assumes you have the following:

  • Rocky Linux
  • Flatpak
  • FlatHub

Installation Process

  1. Go to the Flathub website, type "Decoder" in the search bar, and click on Install. Screenshot of the install button highlighted by a red rectangle

    manual install script and run script

  2. Copy the manual install script and run it in a terminal:

    flatpak install flathub com.belmoussaoui.Decoder

  3. Finally, copy the run command and run that in your terminal:

    flatpak run com.belmoussaoui.Decoder

How to Create a QR Code

Two types of QR codes are available. Choose the option that best suits your needs:

Text

Screenshot of the test, description and URL, and Create buttons

  1. Click on the Text button
  2. Add a link to your desired website and add a description if you want one

  3. Click on Create

    Screenshot of the Save and Export screen with arrows

  4. Click on Save

  5. Click on Export

Wifi

Screenshot showing all of the Wifi options with numbers and arrows

  1. Click on the Wifi button
  2. Add the network name
  3. Add the password
  4. Select if the network is hidden or not hidden
  5. Select the encryption algorithm used
  6. Click on Export
  7. Click on Save

How to Scan a QR code

In addition to creating and generating QR codes, you can use Decoder to scan QR codes you saved on your computer. Do the following:

Screenshot of a red circle on a grey button that has the word "Scan" written in black.

  1. Click on Scan

    Screenshot of the rectangular button with the words "From a Screenshot" written in white.

  2. Click on From a Screenshot

    Screenshot of grey square surrounding options menu, and red square surrounding the "Take a Screenshot button"

  3. Pick your desired effects and click on Take a Screenshot

    Screenshot of a red arrow pointing at a blue button that has the word "Share" written in white

  4. Click on Share

  5. Scan the QR code with your mobile device

Note

To scan a QR code directly from your computer, you must grant the app access to your computer's camera.

Conclusion

Whether it is to share a restaurant's Wi-Fi with friends, grow your business, or network with other professionals at a conference, Decoder can ease creating and scanning QR codes. Are you eager to learn more about this application or have more ideas for it? Submit an issue to its repository at GitLab.

Author: Christine Belzie

Contributors: Steven Spencer, Ganna Zhyrnova