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Mailgun Inspect

By Sinch America

Preview emails in 100+ clients with link validation, image checks, accessibility audits, code analysis, and spam testing.

View Chrome Web Store

Time on the storeUnder a yearA rough range, not an exact date

Store users34As shown on the Chrome Web Store

Chrome Web Store rating5.0 / 51 rating on the Chrome Web Store

Last store update1 Sep 2026Version 1.2.0, 36 days ago

Inside the extension

Mailgun Inspect developer product preview 1

Product image 1 of 4

Reviews

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Permissions & access

Access levelMedium

Can read and change every website you visit.

What it’s allowed to do, not what it actually does. Not a safety rating.

Permissions 5

Sensitive1

Follow every page you openwebNavigation

Standard4

Save its own settingsstorage
Open in the side panelsidePanel
Work on the tab you click it onactiveTab
Run its code on pages it can accessscripting

Members also see when a new version asks for new access.

Website access All

All websites
klaviyo.com and its subdomains
beefree.io and its subdomains
getbee.io and its subdomains
exacttarget.com and its subdomains
lightning.force.com and its subdomains
braze.com and its subdomains
constantcontact.com and its subdomains
mailchimp.com and its subdomains
mailviews.com and its subdomains
api.mailgun.net
api.eu.mailgun.net
localhost
127.0.0.1
local and its subdomains

Extension ID: djebmbaogokjhimkchpeglmdbehgfkok
Package size: 50.61KiB
Manifest: Version 3

The maker

This is the only listing we know of from Sinch America.

Listings: 1
Combined store users: ≈34
Store Featured: 0

Combined users can count the same person more than once. Maker profile

Ext Watch AI

Should you build in this niche?

One research report for Mailgun Inspect. Reports come with Plus, Pro and Max.

Takeaway & demandCited takeaway and search volumes
Traffic & domainPopularity rank, visits and authority
Money & pricingPlans and prices from the maker’s site
ReviewsComplaints and praise, quoted
Competitors & ranksRank against the closest listings
Build opportunityWhat to build and how to position it

Every number shows its source and date
Ready in a minute or two
Report and PDF yours for 30 days