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pgcopydb vs pgloader: catalog facts
pgcopydb	pgloader
Best for: Database administrators migrating PostgreSQL databases	Best for: Database administrators migrating data into PostgreSQL
Free Free software under the PostgreSQL License.	Free The repository identifies the license as PostgreSQL.
Linux, Command line	Command line
Copies databases between running PostgreSQL servers Streams data with multiple processes All 3 strengths for pgcopydb Copies databases between running PostgreSQL servers Streams data with multiple processes Supports change capture and replay	Loads data from databases and files into PostgreSQL Continues loading good rows when other rows are rejected All 3 strengths for pgloader Loads data from databases and files into PostgreSQL Continues loading good rows when other rows are rejected Can reformat data during migration
Requires PostgreSQL servers at both ends	Version 4 requires Java 21 or later Loads data into PostgreSQL rather than serving as a general database migration tool
Downloadable app	Downloadable app
Open source	Open source
License: PostgreSQL License	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 Sources for pgcopydb github.com/dimitri/pgcopydb Catalog checked October 8, 2026	Official website Full listing and sources Sources for pgloader github.com/dimitri/pgloader Catalog checked October 8, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.