> For the complete documentation index, see [llms.txt](https://docs.sqr.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sqr.co/questions-and-answers/about-sqr.md).

# About SQR

{% content-ref url="/pages/kgjRQfJXVAhC4v2s4Lkv" %}
[How long are QR codes valid for? Do they expire?](/questions-and-answers/about-sqr/how-long-are-qr-codes-valid-for-do-they-expire.md)
{% endcontent-ref %}

{% content-ref url="/pages/ZYW4Z7lhyhtTZjdFmYhg" %}
[What graphic formats do the generated QR codes support?](/questions-and-answers/about-sqr/what-graphic-formats-do-the-generated-qr-codes-support.md)
{% endcontent-ref %}

{% content-ref url="/pages/ZxaXF7YT9HgyNGiv3idc" %}
[How do I manage QR codes with SQR code generator?](/questions-and-answers/about-sqr/how-do-i-manage-qr-codes-with-sqr-code-generator.md)
{% endcontent-ref %}

{% content-ref url="/pages/KXJBTMXGEavYIgQkBAcO" %}
[Can I customize a QR code with my company logo or icon?](/questions-and-answers/about-sqr/can-i-customize-a-qr-code-with-my-company-logo-or-icon.md)
{% endcontent-ref %}

{% content-ref url="/pages/SK4Q66FYKOwWBLY4RELS" %}
[Can a QR code be edited/changed?](/questions-and-answers/about-sqr/can-a-qr-code-be-edited-changed.md)
{% endcontent-ref %}

{% content-ref url="/pages/x5sC0um0Dq0dqcGIKon8" %}
[Are QR codes free?](/questions-and-answers/about-sqr/are-qr-codes-free.md)
{% endcontent-ref %}

{% content-ref url="/pages/upTsADnEpgTXg8vhIiql" %}
[Is it possible to count the QR code scans (tracking, analytics)?](/questions-and-answers/about-sqr/is-it-possible-to-count-the-qr-code-scans-tracking-analytics.md)
{% endcontent-ref %}

{% content-ref url="/pages/lWFwuwEMsEshHqzXNLxv" %}
[How do I generate a large batch of QR codes?](/questions-and-answers/about-sqr/how-do-i-generate-a-large-batch-of-qr-codes.md)
{% endcontent-ref %}

{% content-ref url="/pages/PATIZ8Z5EQeZRBIa9iRU" %}
[Is there a scan limit for the QR codes?](/questions-and-answers/about-sqr/is-there-a-scan-limit-for-the-qr-codes.md)
{% endcontent-ref %}

{% content-ref url="/pages/20DKTFXslSjFXwj8vH1o" %}
[Can I use the generated QR codes for commercial purposes?](/questions-and-answers/about-sqr/can-i-use-the-generated-qr-codes-for-commercial-purposes.md)
{% endcontent-ref %}

{% content-ref url="/pages/WQT76RkJDxCYycR8NItI" %}
[Why is my QR code not working?](/questions-and-answers/about-sqr/why-is-my-qr-code-not-working.md)
{% endcontent-ref %}