Compare software

ExifTool vs Metamorphosis: catalog facts
ExifTool	Metamorphosis
Free Free and open source, dual licensed under the same terms as Perl itself: the GPL or the…	Free Free and open source under the GPL-3.0 licence.
Windows, macOS, Linux, Command line	Linux
Reads and writes EXIF, GPS, IPTC, XMP and vendor makernotes across a vast range of formats Strips metadata before publishing, shifts dates in bulk and renames files from their embedded dates	Simple graphical metadata editing Native Linux app distributed on Flathub
Command line only, with a very large option list Writing metadata always risks damaging a file; keep originals	Small project with a limited set of supported file types Linux only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-only
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

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