Email preview tools let you see how your emails render before sending. Whether you need multi-device previews, email client testing, or team collaboration features, this guide covers the best options available.
Free email preview and feedback tool focused on team collaboration. Import from 9 ESPs, share previews with anyone, collect pin-based feedback.
Enterprise email testing platform with previews across 90+ email clients, spam testing, and analytics.
Email on Acid (also written "emailonacid" or "EoA") is a pre-deployment QA platform owned by Sinch. It offers email client previews across 70+ clients, accessibility checks against WCAG, spam scoring, link validation, and a campaign precheck checklist. Popular with enterprise email teams who need compliance-grade QA before send.
Email testing for developers with a sandbox environment to catch emails before they reach real inboxes.
Consider your primary use case: Do you need email client rendering tests (how it looks in Outlook vs Gmail)? Or do you need team feedback features? Most teams overestimate their need for client rendering and underestimate collaboration needs.
Free tools like EmailQA offer preview and feedback features without the enterprise price tag. Paid tools like Litmus add email client rendering across 90+ clients—useful for complex HTML emails but overkill for most teams.
Check if the tool integrates with your ESP (Mailchimp, Klaviyo, HubSpot, etc.). Direct import saves time vs downloading and uploading HTML files manually.
An email preview tool lets you see how your email will look before sending it. Basic tools show desktop/mobile views. Advanced tools show rendering across specific email clients like Outlook, Gmail, and Apple Mail.
Not necessarily. EmailQA gives you all Pro features free for 14 days, including preview, feedback, and approval workflows. You only need paid tools like Litmus if you specifically need email client rendering tests across 90+ clients.
EmailQA offers a free 14-day Pro trial with all features — multi-device preview, team feedback, approval workflows, and ESP integrations. No credit card required. After the trial, the free plan still covers core features.
Find the best tools for collecting feedback on email designs from clients and stakeholders. Compare features for visual comments, approvals, and collaboration.
Discover the best tools for email team collaboration. Compare features for real-time editing, feedback, approvals, and workflow management.
Find free email testing tools for previewing, testing, and validating your email campaigns. No credit card required options for teams on a budget.