EmaiLens
Emailens is an email QA and compatibility testing platform built for developers, marketing teams, designers and growth teams. It catches rendering bugs, broken layouts, and HTML/CSS quirks across major email clients before campaigns go out. Powered by @emailens/engine, it lets teams automate email validation, preview dynamic templates instantly, and protect inbox deliverability. A modern, developer-first tool replacing outdated testing suites with fast, reliable pre-send quality assurance.
EmaiLens
Emailens is an email QA and compatibility testing platform built for developers, marketing teams, designers and growth teams. It catches rendering bugs, broken layouts, and HTML/CSS quirks across major email clients before campaigns go out. Powered by @emailens/engine, it lets teams automate email validation, preview dynamic templates instantly, and protect inbox deliverability. A modern, developer-first tool replacing outdated testing suites with fast, reliable pre-send quality assurance.
Ranked #5818 on TrustMRR
5 active subscriptions
Philippe Kam22 followers on 𝕏
FranceRevenue is verified with
Polar API key.Last updated: Sep 8, 2026, 03:49 PM
Emailens gives developers, marketing and growth teams modern, fast email quality assurance. It automatically detects broken layouts, rendering bugs, and client incompatibilities across major inboxes before launch, replacing clunky legacy testing suites with a streamlined, reliable pre-send workflow.
• Inconsistent Inboxes: Stops Outlook, Gmail, and Apple Mail from silently breaking designs. • Slow Manual QA: Eliminates tedious personal test sends and long screenshot queues. • Lost Conversions: Catches unclosed tags, broken fallbacks, and rendering flaws that erode brand credibility and clicks.
Pricing
Free: $0/mo, Dev: $9/mo, Pro: $19/mo
Team size
1 person
Funding
Bootstrapped
Domain Rating
emailens.dev
Ahrefs Domain Rating measures backlink profile strength on a 0 to 100 logarithmic scale.
Tech stack
Additional info
Built with open standards. Core testing components are open source at https://github.com/emailens, giving teams full transparency into rendering rules without vendor lock-in, paired with a reliable cloud workflow.
Screenshot
emailens.devProduct updates
Discover more startups
Advanced SearchEliteTrainer
Software for Elite Personal Trainers
Revenue (30d)
$26k
MRR
$31k
Total
$665k
Play Designer Pro
A football play design tool for offenses that automatically generates quizzes to help your players to learn your playbook and execute on gameday.
Revenue (30d)
$7.7k
MRR
$4.7k
Total
$21k
Dailyglowup: Maximize Looks
Face rating, glow up routines niche. Running ads at 2-3x ROAS. A good creative engine could take monthly revenue up by 4x.
Revenue (30d)
$20k
MRR
$12k
Total
$84k
Voicy
A speech-to-text application that runs on Mac, Windows, and as a browser extension. The app allows users to record their voice and instantly generate a transcript that they can insert on any app and website on their computer.
Revenue (30d)
$20k
MRR
$12k
Total
$166k
Opire, LLC
Opire is a platform where bounties can be created for open-source project issues and developers can earn money by solving them.
Revenue (30d)
$9.8k
MRR
$15
Total
$42k
Replayed LTD
Best video editing service for YouTubers - No subscription. On demand. Direct chat with editors.
Revenue (30d)
$29k
MRR
$3.5k
Total
$1.4M