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Inbox Pirates

Send emails that get 20% more opens.·inboxpirates.com

Inbox Pirates is an email preview and testing tool that shows how an email will look across different screen sizes, devices, email clients, and operating systems. It works through a Chrome extension that injects a preview button directly into a user's email service provider, and can also be used without the extension by manually entering HTML and subject line details. The tool also offers notification-bar preview testing, spam word checking, and deliverability testing to help improve email open rates.

What it's for

Preview emails across screen sizes, devices, and email clients before sendingTest how an email's notification bar text will appearCheck emails for spam trigger wordsTest email deliverabilityCompare an email's appearance against a stacked inbox of other emailsRun preview tests directly from an email service provider via a Chrome extension

Features 11

Chrome extension injects a preview button into email service provider tools
Deliverability testing
Email preview across multiple screen sizes and devices
Free account creation via email or Google account
Live demo available without signup
Manual HTML and subject line entry for testing without the extension
Notification bar preview testing
One-click preview across multiple devices/clients
Preview across different email clients and operating systems
Real inbox preview stacked against other emails
Spam word testing against an updated spam word list

At a glance

free tier

TypeBrowser extension

DeploymentCloud

PlatformsWeb

Fordigital marketers, sales and marketing teams, email marketing agencies, individuals

CompanyCrewcharge Technologies Private Ltd.

Resources

Changelog

Pricing

The pricing page did not display concrete numbers for the paid tiers; only a 'free forever' plan and a 'starter' plan (aimed at individuals, recommended for agencies) are named.

FreeFree

Described as a 'free forever' plan; account created via email or Google account.

StarterQuote

Recommended for individuals and agencies wanting better support; exact price not publicly listed on the page.