---
title: "Pre-Send Checker: Catch Campaign Errors Before Launch"
description: "A short walkthrough of the free WarmInboxes pre-send checker: audit a campaign's copy, volume and settings for the errors that are cheapest to fix before…"
url: https://warminboxes.com/videos/pre-send-checker
breadcrumb: "Home > Tool demos > Pre-Send Checker"
---
# Pre-Send Checker: Catch Campaign Errors Before Launch

Tool demo · Pre-Send Checker

A short walkthrough of the free WarmInboxes pre-send checker: audit a campaign's copy, volume and settings for the errors that are cheapest to fix before launch.

## Pre-Send Checker

Catch broken merge tags, dupes and spintax errors, and forecast send volume.

[Run the Pre-Send Checker →](https://warminboxes.com/pre-send-checker) Free, no account.