You had me at "Browser compatibility".
replies(2):
I assume every browser will do the same as on-device models start becoming more useful.
You could also look into Argos Translate, or just use the same models as Firefox through kotki [4].
[0] https://huggingface.co/facebook/nllb-200-distilled-600M [1] https://huggingface.co/facebook/m2m100_418M [2] https://huggingface.co/google/madlad400-3b-mt [3] https://huggingface.co/models?other=base_model:quantized:goo... [4] https://github.com/kroketio/kotki