[D] pre-converted
[F] not-true-color.png
[F] plaintext-with-jpg-extension.jpg
[F] png-with-jpeg-extension.jpg
[F] png-without-extension
[F] quality-undetectable-with-imagick.jpg
[F] small-q61.jpg
[F] test.jpg
[F] test.png
[F] text
[F] text-with-jpg-extension.jpg
[F] text.txt
[F] with space.jpg