To ensure you are downloading the best one, check this comparison:

: These are compatible with all modern devices and web browsers. Popular choices include Noto Sans Gujarati Anek Gujarati Legacy Fonts

If you are looking for the "best" free calligraphic options from recent years, these are highly rated: Anek Gujarati

: Common non-Unicode fonts often found in large Gujarati font packs. How to Download and Install