ShotPressBlog
Short, practical guides for compressing and converting photos on your phone — one question each, answered plainly.
Compress & convert on your phone
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How to compress RAW photos on your phone
Pick the RAW files, choose a share preset, tap once — it opens DNG, CR2, CR3, NEF and ARW and shrinks each on-device.
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Convert CR3, NEF and ARW to JPG on Android
Turn Canon, Nikon and Sony RAW files into JPGs you can open anywhere, in one batch, on the phone.
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How to convert HEIC to JPG on Android
Make iPhone-style HEIC photos open everywhere by converting them to JPG — offline, originals kept.
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Shrink photos for WhatsApp without losing quality
Send a right-sized copy so WhatsApp doesn't crush it again, and your photos stay sharp in the chat.
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How to get photos under 1 MB for email
Use the Email preset, or set an exact target size on Pro, and compress a whole batch for your inbox.