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CREATIVE SUITE

Looking for a rendering alternative?

Tired of price hikes, unreliable previews and hidden fine print? Explore Inbox Monster, the email testing and collaboration tool that helps you send with confidence.

Hundreds of email marketers, coders and creatives are making the switch to Inbox Monster. Upgrade to a creative rendering platform with dedicated support that cares as much about your brand as you do.

Book a demo

Leading brands have switched to Inbox Monster

A better way to test email creative

Don’t wait—talk to our team today about switching to Inbox Monster.

Contact us

Inbox Monster vs. the competition

FEATURE
INBOX MONSTER
LEGACY 
TOOLS
Unlimited seats

Bring your whole team to collaborate on email creative at no additional cost

Enterprise-grade proofing and previewing

Pre-send creative rendering with link validation, image diagnostics, accessibility guidance and more

Monitor email engagement

Track open rates, read-time, device usage and more across campaigns

In-depth content analysis

Inbox Monster flags text, images and HTML that may have potential issues, such as Gmail clipping emails or words that may be flagged as spam

Error-free emails without overspending

Full control of the devices you want to test and no re-run charges on the ones you don’t

Deep integrations with your tools

Inbox Monster integrates with major ESPs and personalization tools, including Movable Ink and Salesforce Marketing Cloud Next

Translate emails into 75+ languages

Support a global audience with accurate in-line translations—all within one creative project

Live previews and AI summaries

See how your emails will land in inboxes and be interpreted by popular AI tools, like Gemini and Apple Intelligence

Check spelling and grammar with your brand in mind

Find and fix unintentional errors, as well as add company terms to dictionary

Email testing and deliverability, flawlessly integrated

Manage end-to-end QA and inbox placement in a tool built to work for both your pre- and post-send workflow

Cut your QA time in half

Inbox Monster’s Creative Suite streamlines your entire pre-send workflow. Collaborate with your team in real time, test interactive content and render across 110+ modern clients and devices.

Preview anywhere, everywhere

Inbox Monster integrates with leading email service providers, including Movable Ink, Iterable, Braze, Twilio SendGrid and Salesforce Marketing Cloud Next. Its Chrome Extension brings creative rendering directly into your email builder for select ESPs.

Send confidently—without sticker shock

Testing emails should never come with surprise invoices. Inbox Monster offers transparent pricing, with no overage penalties on preview re-runs or upsells on advanced features.

Access industry-first features

Inbox Monster is designed with customer-led innovation in mind. With the latest device previews and first-to-market features, your emails can crush the competition.

Trusted by email teams

Companies that trust Inbox Monster save up to 53% of their time on QA.

Get your time back

Enterprise-level support and security

  • Comprehensive rendering and diagnostics tools
  • Accessibility checks against WCAG 2.1 AA standards
  • Full collaboration with commenting, tagging and editing
  • ISO27001 certified
  • Custom device settings and report sharing
  • SSO and SAML support

Making email teams work

Enterprise email teams are loving our creative tooling, and we love that!

See for yourself

"The creative rendering feature is critical and helps us view our emails across different devices and clients. It’s saved us several times! The platform is intuitive, and the customer support team is highly responsive and knowledgeable whenever we need their assistance."

CRM Manager in Consumer Goods

"Great software, previews load quickly. Wide range of email clients on various devices. Full thumbnail button makes it so much easier to glance through all previews on one screen instead of scrolling through the different previews individually."

Monster User in Financial Services

"I love the new UI and ease of use compared to similar tools, but I especially appreciate that they keep things up to date as the industry landscape changes."

Professional Services Manager at ESP

"The toolset is very robust and they are consistently adding to the functionality."

Monster User in Publishing

Creative Rendering FAQs

Inbox Monster’s Creative Suite has just about every email testing tool you could need. Here are some questions that pop up about the platform. Still have more questions? We’re a chat away.