Windows · Platform guide
Best Image Format for Windows
Windows Photos and Office are happiest with JPG/PNG/BMP/TIFF. Newer builds improve WebP; HEIC still needs extensions. Optimize for the recipient’s PC, not the camera.
Quick take: JPG and PNG are the safest Windows image formats. Use WebP/AVIF for modern browsers; convert HEIC from iPhones to JPG before sharing to Windows users.
Everyday sharing
JPG for photos, PNG for screenshots and graphics with text or transparency.
From iPhone
Convert HEIC → JPG before emailing a Windows PC.
From the web
WebP downloads may need conversion for older Photos/Paint.
Recommendations
Email a photo to a Windows user
Pick: JPG
Universal decode.
UI screenshot with text
Pick: PNG
Keeps edges sharp.
iPhone original
Pick: Convert HEIC → JPG
Avoids codec installs.
Convert now
Turn compatibility advice into a file — processing stays in your browser.
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FAQ
Is BMP still useful?
Only for niche legacy tools. Prefer JPG/PNG.
Browse all platform guides or how to open files.