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pgloader vs pgcopydb: catalog facts
pgloader	pgcopydb
Best for: Database administrators migrating data into PostgreSQL	Best for: Database administrators migrating PostgreSQL databases
Free The repository identifies the license as PostgreSQL.	Free Free software under the PostgreSQL License.
Command line	Linux, Command line
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	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
Version 4 requires Java 21 or later Loads data into PostgreSQL rather than serving as a general database migration tool	Requires PostgreSQL servers at both ends
Downloadable app	Downloadable app
Open source	Open source
License: PostgreSQL	License: PostgreSQL License
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 pgloader github.com/dimitri/pgloader Catalog checked October 8, 2026	Official website Full listing and sources Sources for pgcopydb github.com/dimitri/pgcopydb Catalog checked October 8, 2026

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