Kroki vs QR & Barcode
Same instrument, two spec sheets — measured, not claimed.
Kroki vs QR & Barcode: common questions
Which is more reliable, Kroki or QR & Barcode?
Both are neck-and-neck — Kroki and QR & Barcode each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, Kroki or QR & Barcode?
Kroki has the lower median latency in our checks — Kroki responds in 633 ms versus QR & Barcode at 722 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do Kroki and QR & Barcode need an API key?
Neither needs a paid key — Kroki is callable with no signup, and QR & Barcode is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Kroki and QR & Barcode from the browser?
Yes — both Kroki and QR & Barcode send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are Kroki and QR & Barcode free for commercial use?
Kroki has unclear commercial terms, and QR & Barcode has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.