This page is designed to help you find out whether SendLint is good and if it is the right choice for you.
SendLint is email QA software for agencies and in-house email teams.
Upload the copy deck, the approved design and the built email. SendLint reads the deck, then checks every line of copy, every link and every module in the email against it. It also compares the email to the design and flags spacing, cropping and missing modules.
What it checks - Copy vs deck: every line, in any language, including words inside images - Design comparison: module by module against the approved creative - Links: each URL against the deck, followed to the page it actually lands on - Accessibility: alt text, contrast, headings, link text - Compliance: unsubscribe, footer, legal copy, spam triggers
How teams use it Each finding shows what the deck says next to what the email says. Everything goes into a variance log your developers can work from. When the next build comes back, SendLint re-checks it and shows what's fixed and what's still open. When the email is approved, it issues a sign-off certificate anyone can verify. Client reviewers join free.
Built by an email QA analyst, for teams who QA email every day.
Try it on your own email, no signup: https://sendlint.com/demo
Listed in
Copy vs deck
Checks every line of copy in the email against the Word or PDF copy deck
Design Comparison Tool
Compares the email to the approved design module by module and flags spacing, cropping and missing modules
Link Checker
Checks each link against the deck and follows it to the final page it lands on
Text in Images
An AI Agent reads the words inside images and checks them against the deck too
Any language
Checks decks and emails in any language, including EN/FR side-by-side decks
Accessibility
Checks alt text, colour contrast, headings and link text
Compliance
Checks the unsubscribe link, footer, legal copy and spam triggers
Variance log
Lists every difference for your developers, ready to copy or download as .docx
Review rounds
Re-checks each new build and shows what's fixed and what's still open
Sign-off certificate
Issues a certificate when the email is approved, which anyone can verify
I'm an email QA analyst. Every campaign meant checking the email against a copy deck and a design by hand, line by line, link by link, across multiple versions and languages. It was slow, and small mistakes still got through. I built SendLint to do that whole job the way a QA analyst does it, with the deck as the source of truth and a report developers can act on.
It checks the email against the copy deck and the approved design, not just how the email renders. SendLint reads the deck itself, whether it's a Word or PDF file, side-by-side EN/FR, or any other language, and matches every line of copy, every link and every module in the email to it. It also compares the email to the approved creative and flags visual drift, like a cropped image, a missing module or spacing that changed.
Tools like Litmus and Email on Acid show you how an email looks. SendLint tells you whether it's right: the copy matches the deck, the links go where the deck says, and the layout matches the design. It also gives you what QA work actually needs: a variance log for developers, review rounds that track what's been fixed, and a sign-off certificate when the email is approved.
Email QA analysts, email developers and production leads at agencies and in-house marketing teams. Anyone who builds emails from a copy deck and a design, and has to prove the email matches both before it goes to the client.
Next.js, React, TypeScript, PostgreSQL, Vercel, Stripe, and AI vision and language models for reading decks and the words inside images.
We have collected here some useful links to help you find out if SendLint is good.
Check the traffic stats of SendLint on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.
Check the "Domain Rating" of SendLint on Ahrefs. The domain rating is a measure of the strength of a website's backlink profile on a scale from 0 to 100. It shows the strength of SendLint's backlink profile compared to the other websites. In most cases a domain rating of 60+ is considered good and 70+ is considered very good.
Check the "Domain Authority" of SendLint on MOZ. A website's domain authority (DA) is a search engine ranking score that predicts how well a website will rank on search engine result pages (SERPs). It is based on a 100-point logarithmic scale, with higher scores corresponding to a greater likelihood of ranking. This is another useful metric to check if a website is good.
The latest comments about SendLint on Reddit. This can help you find out how popualr the product is and what people think about it.
Do you know an article comparing SendLint to other products?
Suggest a link to a post with product alternatives.
Is SendLint good? This is an informative page that will help you find out. Moreover, you can review and discuss SendLint here. The primary details have been verified within the last quarter. So they could be considered up to date. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.