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Command checkpassword

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fcorbelli edited this page Sep 28, 2026 · 2 revisions

Is this the right password? Ask before a two-hour extraction, not after.

Quick summary

checkpassword checks if the password of an encrypted archive is OK.

Power user usage

  • -key X the password to be checked

Lo spiegone

Dispatched as command N to checkpassword().

Real-world examples

Check if the password is pippo

zpaqfranz checkpassword file.zpaq -key pippo

TOP suggested read: double quotes

HIGHLY suggested read: how to select file(s) in zpaq(franz)

Quickstarts FreeBSD Linux Mac Windows Hidden gems

Make it yourself TL;DR Target example (click here if in hurry) Compile-time switches Universal Makefile Quicker-and-dirtier

GUI extraction on Windows catpaq

All the commands

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