A free program for Android, by The AppGuru.

This app is the best tool for converting RAW images to JPEG, BMP, and WEBP. You can convert your images with ease and without compromising the quality. It is extremely simple to use. Just select the image and click “Convert to JPEG”, “Convert to BMP” or “Convert to WEBP”.

This app will let you save your images in the desired format. It supports many RAW image formats such as 3FR, ARI, ARW, BAY, BRAW, CRW, CR2, CR3, CAP, DATA, DCS, DCR, DNG, DRF, EIP, ERF, FFF, GPR, IIQ, K25, KDC, MDC, MEF, MOS, MRW, NEF, NRW, OBM, ORF, PEF, PTX, PXN, R3D, RAF, RAW, RWL, RW2, RWZ, SR2, SRF, SRW, TIF, and X3F.

The best thing is that this app is extremely simple to use. You don’t need any special knowledge to use it.