Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Despite the name, you can also convert other picture formats like PNG, GIF, BMP, and TIFF.
Source: https://www.slashgear.com/1248213/convert-jpg-pdf-any-device/