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Adminer vs pgAdmin: catalog facts
Adminer	pgAdmin
Free Free and open source under the Apache licence or the GPL.	Free The open-source application is available without a license fee.
Web, Self-hosted	Windows, macOS, Linux, Web, Self-hosted
A single file to upload, with no installation or dependencies Supports many database engines from the same interface	Covers the full PostgreSQL object model, not just tables and queries Runs as a desktop app or a shared web application
Leaving it on a public server is a serious risk and it must be removed or protected Fewer conveniences than larger administration tools	The web interface is heavy and slow to start PostgreSQL only
Self-hosted, Web application	Downloadable app, Self-hosted
Open source	Open source
License: Apache-2.0	License: PostgreSQL
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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