Checking how clean your CSV file is? CSV fingerprints (from @vicapow ) shows it visually

Now "unfortunately" the files I tried were all clean so showed up nicely with a full yellow screen and a two-colour version, but I can see where this can help quickly seeing if you have missed anything, especially when files get bigger.

As the Setosa Blog describes: The idea is to provide a birdseye view of the file without too much distracting detail.

The page can be found here: or see it as a full page: