Extension Tracker

Testi@ - Live Email Testing with (ESP)

607 users Rated 4.12 from 8 ratings Last updated 24 Sep 2025

By None Live in the Chrome Web Store hbgeikbbpfjgcicclnjcokjapbgkkfkd Last checked 27 Sep 2026, 02:10 UTC

The listing

What the Chrome Web Store shows, as of the last check

Email Testing Email preview outlook testSummary from the listing
Developer
None
Category
Productivity › Developer Tools
First published
9 Nov 2017
Last updated
24 Sep 2025
Version
0.67.6
Size
60.34 KiB
Minimum Chrome
88
Languages
1 language

English

Website
https://testi.at/
Support page
https://testi.at/WebExtension
Open in the Chrome Web Store ↗ View the code or download the CRX in CRX Viewer ↗
Users over time As shown on the Chrome Web Store

Tracking began on 27 Sep 2026. The chart appears after the second check.

Show the numbers
CheckedUsersRatingRatings
2026-09-276074.128
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#30,921
by users, of 264,703 extensions
In its category
#2,704
of 27,615 in Developer Tools

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

What it can access

From the extension's manifest, in plain language

Every websiteIt can read and change your data on all the sites you visit.
Sites
  • <all_urls>Every website
  • *://*.xip.io/*xip.io and its subdomains
  • http://*/*Every website
  • http://127.0.0.1/*127.0.0.1
  • http://localhost/*localhost
  • https://*.admin.mailchimp.com/campaigns/wizard/neapolitan?id=*admin.mailchimp.com and its subdomains
  • https://*.admin.mailchimp.com/templates/edit?id=*admin.mailchimp.com and its subdomains
  • https://*.createsend.com/*createsend.com and its subdomains
  • https://*/*Every website
  • https://beefree.io/editor*beefree.io
  • https://mjml.io/try-it-live*mjml.io
  • https://pro.beefree.io/*/editpro.beefree.io
  • https://sendgrid.com/marketing_campaigns/ui/campaigns/*/editsendgrid.com
  • https://testi.at/*testi.at
  • https://www.campaignmonitor.com/*www.campaignmonitor.com
  • https://www.testi.at/*www.testi.at
Sites where it runs scripts
  • *://*.xip.io/*xip.io and its subdomains
  • http://*/*Every website
  • http://127.0.0.1/*127.0.0.1
  • http://localhost/*localhost
  • https://*.admin.mailchimp.com/campaigns/wizard/neapolitan?id=*admin.mailchimp.com and its subdomains
  • https://*.admin.mailchimp.com/templates/edit?id=*admin.mailchimp.com and its subdomains
  • https://*.createsend.com/campaigns/*createsend.com and its subdomains
  • https://*/*Every website
  • https://app.getbee.io/*/index.htmlapp.getbee.io
  • https://beefree.io/editor*beefree.io
  • https://mjml.io/try-it-live*mjml.io
  • https://pro.beefree.io/*/editpro.beefree.io
  • https://sendgrid.com/marketing_campaigns/ui/campaigns/*/editsendgrid.com
  • https://www.campaignmonitor.com/*www.campaignmonitor.com
Browser features
  • activeTabThe tab you're on, only after you click the extension
  • declarativeNetRequestBlock or change network requests, using rules
  • declarativeNetRequestFeedbackSee which of its network rules matched
  • declarativeNetRequestWithHostAccessBlock or change network requests on the sites it can reach
  • tabsRead the addresses and titles of your tabs

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 27 Sep 2026, 02:10 UTC; next check around 19 Oct 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Testi@ - Live Email Testing with (ESP)” (hbgeikbbpfjgcicclnjcokjapbgkkfkd). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/hbgeikbbpfjgcicclnjcokjapbgkkfkd. Accessed 2026-09-28.
BibTeX
@misc{extensiontracker_hbgeikbbpfjgcicclnjcokjapbgkkfkd,
  title   = {Testi@ - Live Email Testing with (ESP) (hbgeikbbpfjgcicclnjcokjapbgkkfkd)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/hbgeikbbpfjgcicclnjcokjapbgkkfkd},
  urldate = {2026-09-28}
}

The data is free to reuse under CC BY 4.0.

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