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iMazing Converter vs FastStone Photo Resizer: catalog facts
iMazing Converter	FastStone Photo Resizer
Free Free to download and use.	Free Free for personal and educational use.
Windows, macOS	Windows
Converts both photos and videos in one app Available for Mac and Windows	Batch conversion and renaming in one tool Reads HEIC and WebP
Limited to HEIC and HEVC source formats Closed source	Windows only Free licence covers personal and educational use only
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.