About Litmus
Overview
Litmus, now part of Validity through Validity Engage, is an all-in-one email marketing platform that covers the entire email workflow in a single AI-native environment. Marketers build on-brand templates, test how campaigns render, monitor live sends, and analyze deliverability from one place.
Three colleagues founded Litmus in 2005 with an $800 investment to solve cross-browser testing, and the product expanded into email testing and marketing analytics. More than 700,000 marketers, including 80% of the Fortune 100, rely on Litmus today.
Key Benefits
- Test email renders across 100+ email clients and devices and fix errors before sending.
- Monitor deployed emails 24/7 with alerts for failing links and broken renders from client updates.
- Benchmark campaigns against millions of real emails to spot trends you can pull into your own sends.
- Personalize with no-code live polls, personalized images, and countdown timers.
- Cut review and approval time with a central place to collect feedback and sign-offs.
- Improve deliverability with inbox placement, domain reputation, and engagement analytics.
How It Works
Teams create on-brand templates in Litmus, then preview every campaign in more than 100 email clients and devices before pressing send. After deployment, 24/7 monitoring flags failing links and broken renders, while deliverability analytics and reputation tools help marketers keep emails out of spam.
Use Cases
- Email marketers preview campaign renders across clients and avoid broken layouts before send.
- Marketing teams run shorter review cycles by collecting feedback and approvals in one place.
- Deliverability specialists track inbox placement, domain reputation, and blocklisting issues.
- Brand marketers mine competitive intelligence from millions of real emails for campaign inspiration.
- Growth teams add interactive elements like polls and countdown timers to raise engagement.
- Agencies speed up client approval workflows and cut testing time for every email they ship.
Why Choose This Product
Litmus rates 4.5 stars from more than 10,000 reviews and is used by hundreds of thousands of marketers worldwide. Joining Validity adds contact data quality, deeper deliverability insights, and an industry email allowlist that safeguards sender reputation.
Litmus Pros & Cons
- Tests email renders across 100+ clients and devices
- Monitors live sends 24/7 for broken links and renders
- Rated 4.5 stars from over 10,000 reviews
- Used by 700,000+ marketers and 80% of the Fortune 100
- Direct integrations with Slack, Google Drive, and ESPs
Key Features
Render testing
Preview emails in more than 100 email clients and devices before they reach subscribers.
Live send monitoring
Monitor deployed emails 24/7 with alerts for failing links and broken renders from client updates.
Competitive intelligence
Benchmark sends against millions of real emails and pull trending ideas into your campaigns.
Interactive personalization
Add no-code live polls, personalized images, and countdown timers without engineering help.
Review workflows
Collect feedback and approvals in one central place to cut review time in half.
Deliverability analytics
Track inbox placement, domain reputation, and engagement patterns that affect ROI.
Contact data quality
Sharpen email targeting with automatically cleaned, verified contact data.
Email allowlist
Join an industry email allowlist to safeguard sender reputation and bypass spam filters.
ESP integrations
Connect to email service providers including Salesforce Marketing Cloud for a unified workflow.
Litmus Pricing
Pricing extracted from the product website and may change. Check the source for current details.