Questions tagged [qr-code]
The qr-code tag has no usage guidance.
23
questions
2
votes
1
answer
34
views
QR code scanner with screenshot support on Linux Desktop?
My demand
I often find myself wanting to get the contents of a QR code on a webpage. The ideal workflow I have in mind is as follows:
I hit a hotkey, which triggers this application to launch a ...
- 123
0
votes
0
answers
15
views
Convert/encode string to image
I'd like to create images starting from random strings, a bit like a QR code but made of custom elements, so not only squares but also lines or bubbles, etc. The validation phase would be done ...
- 101
0
votes
2
answers
71
views
Secure QR code reader app for Android which can read very large QR codes (thousands of chars, ideally up to the max limit of 8000 chars or so)
I was using Kaspersky QR Scanner, but it seems to be limited to < 1000 chars or so in the QR code, even though QR codes can hold nearly 8000 chars. I'd like a secure QR code app which can do up to ...
- 111
1
vote
0
answers
86
views
Does an encrypted QR reader Android app exist that uses public/private keys?
One of the ways I quickly copy small texts from my computer to my Android phone is through a QR code generator. I pipe the clipboard text into my QR code generator on my computer, then I scan the QR ...
- 11
0
votes
0
answers
19
views
App that scans, saves, and then displays QR codes back _exactly_ as they were scanned
Now and then I get QR codes for events, and they're mostly sent on PDF files.
I obviously don't want to print the PDF, but opening it on my phone and awkwardly zooming in on the code is, well, awkward....
2
votes
4
answers
181
views
Verify EU Digital COVID Certificate from Linux (without a smartphone)
I will soon need to verify some EU Digital COVID Certificates.
I have a Linux machine (Ubuntu 21/04) with a webcam, which should be all the technology needed for this.
However, all the software I can ...
- 382
0
votes
1
answer
52
views
Will QR code be able to be implemented in this scenario?
User registers on the website. Upon registration, the system will generate a QR code for the user. The user then goes to be vaccinated, and upon vaccination, someone will be able to scan his/ her QR ...
- 101
2
votes
5
answers
127
views
QR code reader for Android 10 and better
I've been using the old XZing barcode scanner. It's been a workhorse for almost as long as I've been using Android but with Android 10 and 11 I've had... odd issues like the app being stuck upside ...
- 8,247
1
vote
0
answers
30
views
Is there any software that can decode big QR code?
As you can see at Wikipedia, QR codes can be much bigger than usually they are. By enlarging the QR, one can insert more data into them. For instance, version 40 allows to encode up to 20 MB. I have ...
1
vote
0
answers
11
views
How to make qr code for free and unlimited? [closed]
I am looking for some references to create qr code for free and unlimited, but I have not found it
Is there any reference what should I do? Do I need to make a qr code using a script? Or is there a ...
- 111
1
vote
2
answers
1k
views
Portable QR Code (QRcode) reader (via webcam) app for Windows
Please recommend a QR Code reader app with the following features:
Reads a QR code from a webcam
Portable (no installation)
Gratis (free of cost for non-commercial use)
Windows compatible
Does not ...
1
vote
1
answer
276
views
Software for implementing QR codes for XML Publisher Reports
I'm currently looking for software that could help in employing QR Codes to my Invoices. My company generates invoices using XML Publisher Reports and we're looking to add QR Codes as a customer ...
- 11
1
vote
0
answers
479
views
Batch QR Code Scanner (Scan multiple qr codes from 1 image)
I'm using Windows 8, either for gratis / commercial license is ok.
Is there a software that can decode multiple qr codes in one image? Our sales team wants to place several stickers in 1 page, scan ...
- 11
0
votes
1
answer
3k
views
Simple QR-Code library for PHP
My question is pretty close to QR Code Generator Library (no web service) – just for PHP instead of .NET: I want a small, light-weight PHP "library" (ideally a compact class) to generate QR Codes, ...
Izzy♦
- 18.8k
1
vote
1
answer
932
views
Scanning QR codes from mirror reflections
My app wants to scan QR code from its reflection from mirror. I'm using the Zxing library for that. This library is really good and works very fast. But in few devices (like Vivo, Honour) it takes lot ...
1
vote
0
answers
18
views
I am looking for a framework for QR-Style Codes
I have a customer request to create a custom qr-style code like Spotify, FB Messenger or Instagram. They all have their custom codes which they have developed. I am searching for what kind of data ...
- 11
2
votes
3
answers
1k
views
qr-code reader for windows
i'm looking for a program which runs on windows and can read/decode qr-codes.
at this state i'm happy for every suggestion, but the more requirements it hits the better:
must run on windows
must ...
- 1,636
1
vote
1
answer
57
views
QR scanner for making trade fair shopping lists
Is anyone aware of an android/iPhone app that would allow customers to go scan a barcode/QR code on an item and create an order list, that could be exported for our manufacturing orders?
Bullet ...
- 95
5
votes
1
answer
4k
views
Privacy friendly QR code app
I'm having a hard time locating a QR code app for my (non-rooted) Android 7.1 phone that is privacy friendly.
Here are the options I've come across, along with the permissions I don't feel ...
- 153
0
votes
1
answer
470
views
QR Code Reading App for Android 7.0
I want to use my camera AND my saved images to read QR Codes - but I can't find an app for it :(.
The app I'm looking for should be able to do following:
Scan a QR Code from the camera image
Scan a ...
- 123
1
vote
1
answer
156
views
2d Barcode reader & writer for Windows and Android
I work with 2D barcodes a lot in my moonlighting gigs, and scan barcodes on my phone with my computer and vice versa several times a day. There are many QR code scanners and generators out there, but ...
0
votes
1
answer
32
views
Force Clear Notification With QR Code
I want to be able to set an alarm but to cancel it you must scan a specific qr code. Is this possible?
Thanks!
Android 7.0
- 103
1
vote
3
answers
2k
views
Portable QR Code (QRcode) generation app for Windows
Please recommend a simple QR Code generation app with the following features:
Portable (no installation)
Gratis (free of cost)
Windows compatible
Completely offline (does not attempt internet access)
...