You already have a folder of JPEGs that need to ship as PNGs. The question is no longer why — it is which path is cheapest for this specific batch , given how many files you have, whether the originals are private, whether the deadline is in five minutes or next Friday, and what your downstream ...
Source: [Dev.to](https://dev.to/lizely/picking-the-right-way-to-turn-jpg-files-into-png-an-engineers-decision-guide-3pj8)