Translating Metadata From English to Spanish

Hi all,

Not sure if this is even a thing, BUT I'm working on a web archive right now with a couple thousand images. The metadata is all in English, but we are making a Spanish-language version of the site as well. I do not want to have to comb through 2000 lines of CSV files to edit the metadata, least of all because there isn't a good way to do so, so I was hoping I could blanket translate the metadata into Spanish and then just do a quick comb for errors.

Does anyone have any insight/experience on this, or in general any way I can do this that isn't manually translating each word?

Thank you!