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PictShare vs Uguu: catalog facts
PictShare	Uguu
Free Free and open source; you host it yourself.	Free Free and open source under the GPL-3.0 licence.
Web, Self-hosted	Web, Self-hosted
Resize and filter images through URL parameters Simple JSON upload API usable from curl	Uploads without registration API with several response formats, works with ShareX
Version 3 breaks URL and API compatibility with older versions Public instance does not currently accept uploads	Basic feature set with no user accounts or folders Needs a PHP web server to self-host
Self-hosted	Web application, Self-hosted
Open source	Open source
License: Apache-2.0	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it 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.