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September 21, 2011

A Guide to Creating Optimal QR Codes

If you’re trying to generate QR codes that point to a URL, consult our Free QR Code Creation Guide below to determine what combination of URL size and error correction settings can produce the optimal QR code for your application.
Guide for Creating Optimal QR Codes

To use the guide, you can count the total characters in your URL (remember to include the http:// protocol, and any dots or slashes). Or just drag the new Pure Oxygen QR Counter bookmarklet into your browser and run on the URL you want to convert.

For URLs that are between 15 and 40 characters, we show you much data gets added by each QR error correction setting, and what the resulting QR output size will be. This helps you consider how much QR density is added by each error correction level compared to how much scanning distance you gain by using a lower setting.

To make it easier, we’ve highlighted the optimal settings for each URL size where the goal is to maximize QR scanning distance for the smallest possible display area, at the highest error correction rate possible.

 

URL Size EC Rate Data Added QR Dimensions QR Area Incremental Density Incremental Distance
15 Low 7% 21×21 441 0% 91%
Medium 15% 25×25 625 42% 35%
Quarter 25% 25×25 625 42% 35%
High 30% 29×29 841 91% 0%
16 Low 7% 21×21 441 0% 91%
Medium 15% 25×25 625 42% 35%
Quarter 25% 25×25 625 42% 35%
High 30% 29×29 841 91% 0%
17 Low 7% 21×21 441 0% 91%
Medium 15% 25×25 625 42% 35%
Quarter 25% 25×25 625 42% 35%
High 30% 29×29 841 91% 0%
18 Low 7% 25×25 625 0% 35%
Medium 15% 25×25 625 0% 35%
Quarter 25% 25×25 625 0% 35%
High 30% 29×29 841 35% 0%
19 Low 7% 25×25 625 0% 35%
Medium 15% 25×25 625 0% 35%
Quarter 25% 25×25 625 0% 35%
High 30% 29×29 841 35% 0%
20 Low 7% 25×25 625 0% 35%
Medium 15% 25×25 625 0% 35%
Quarter 25% 25×25 625 0% 35%
High 30% 29×29 841 35% 0%
21 Low 7% 25×25 625 0% 35%
Medium 15% 25×25 625 0% 35%
Quarter 25% 29×29 841 35% 0%
High 30% 29×29 841 35% 0%
22 Low 7% 25×25 625 0% 35%
Medium 15% 25×25 625 0% 35%
Quarter 25% 29×29 841 35% 0%
High 30% 29×29 841 35% 0%
23 Low 7% 25×25 625 0% 35%
Medium 15% 25×25 625 0% 35%
Quarter 25% 29×29 841 35% 0%
High 30% 29×29 841 35% 0%
24 Low 7% 25×25 625 0% 35%
Medium 15% 25×25 625 0% 35%
Quarter 25% 29×29 841 35% 0%
High 30% 29×29 841 35% 0%
25 Low 7% 25×25 625 0% 74%
Medium 15% 25×25 625 0% 74%
Quarter 25% 29×29 841 35% 29%
High 30% 33×33 1089 74% 0%
26 Low 7% 25×25 625 0% 74%
Medium 15% 25×25 625 0% 74%
Quarter 25% 29×29 841 35% 29%
High 30% 33×33 1089 74% 0%
27 Low 7% 25×25 625 0% 74%
Medium 15% 29×29 841 35% 29%
Quarter 25% 29×29 841 35% 29%
High 30% 33×33 1089 74% 0%
28 Low 7% 25×25 625 0% 74%
Medium 15% 29×29 841 35% 29%
Quarter 25% 29×29 841 35% 29%
High 30% 33×33 1089 74% 0%
29 Low 7% 25×25 625 0% 74%
Medium 15% 29×29 841 35% 29%
Quarter 25% 29×29 841 35% 29%
High 30% 33×33 1089 74% 0%
30 Low 7% 25×25 625 0% 74%
Medium 15% 29×29 841 35% 29%
Quarter 25% 29×29 841 35% 29%
High 30% 33×33 1089 74% 0%
31 Low 7% 25×25 625 0% 74%
Medium 15% 29×29 841 35% 29%
Quarter 25% 29×29 841 35% 29%
High 30% 33×33 1089 74% 0%
32 Low 7% 25×25 625 0% 74%
Medium 15% 29×29 841 35% 29%
Quarter 25% 29×29 841 35% 29%
High 30% 33×33 1089 74% 0%
33 Low 7% 29×29 841 35% 29%
Medium 15% 29×29 841 35% 29%
Quarter 25% 33×33 1089 74% 0%
High 30% 33×33 1089 74% 0%
34 Low 7% 29×29 841 35% 29%
Medium 15% 29×29 841 35% 29%
Quarter 25% 33×33 1089 74% 0%
High 30% 33×33 1089 74% 0%
35 Low 7% 29×29 841 35% 63%
Medium 15% 29×29 841 35% 63%
Quarter 25% 33×33 1089 74% 26%
High 30% 37×37 1369 119% 0%
36 Low 7% 29×29 841 35% 63%
Medium 15% 29×29 841 35% 63%
Quarter 25% 33×33 1089 74% 26%
High 30% 37×37 1369 119% 0%
37 Low 7% 29×29 841 35% 63%
Medium 15% 29×29 841 35% 63%
Quarter 25% 33×33 1089 74% 26%
High 30% 37×37 1369 119% 0%
38 Low 7% 29×29 841 35% 63%
Medium 15% 29×29 841 35% 63%
Quarter 25% 33×33 1089 74% 26%
High 30% 37×37 1369 119% 0%
39 Low 7% 29×29 841 35% 63%
Medium 15% 29×29 841 35% 63%
Quarter 25% 33×33 1089 74% 26%
High 30% 37×37 1369 119% 0%
40 Low 7% 29×29 841 35% 63%
Medium 15% 29×29 841 35% 63%
Quarter 25% 33×33 1089 74% 26%
High 30% 37×37 1369 119% 0%

Comments

  1. Thanks for this great article. It is a challenge trying to figure out what size QR code and what error correction level to use for different applications.

    This guide take some of the mystery out of it and makes it less of a guessing game. i

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