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sharp
High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, AVIF and TIFF images. Uses the libvips library.
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Regarding the second function, I found Sharp, but it doesn't seem able to work in RN according to this issue.
If you know native iOS, then here's a lib. Maybe there's another for Android. Seems you'll have to make the RN bridge.
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