How do I convert a binary pgdump (compressed) to a plain SQL file?

Question

I do want to search for some data inside a database dump but these dumps are using the binary-compressed format (PGDMP header).

How can I convert these to

Answer 1

The fastest method that I've used was:

pg_restore mybinaryfile.backup > mysqlfile.sql

No special flags, since pg_restore just spits it out to stdout.