Email Verifier by ZeroBounce Firefox

Email Verifier by ZeroBounce

Official Firefox extension to validate email addresses using the ZeroBounce API.

Features & Capabilities

Accurate, fast and secure email validation service. You invest time, energy and money into your emails. We help you land them in the inbox and connect with your customers.

Verify any email address you find online via Google Chrome with ZeroBounce’s real-time email verification. Install the extension and start validating immediately!

✔️ Verify any email address on any website page

The ZeroBounce email verifier plugin lets you quickly identify and validate any email address you find online. Navigate to your favorite social media platforms, blogs, or websites, and click the ZeroBounce extension. Find your targeted email address waiting for you, and just click “Validate” to get a result.

✔️ Real-time bulk email verification

Use the ZeroBounce email verifier to rapidly collect large lists of email addresses and validate them with one button. The real-time email verification process happens almost instantly right within your browser. No need to log in to your account or upload your new list.

✔️ Simple, intuitive API connection

The email verifier plugin is free, and you can get started by entering your API key. Your API key is provided with your ZeroBounce account - no purchases or subscriptions are required. Download the plugin, enter your key, and validate emails with Google Chrome.

✔️ 100 free monthly email verifications

Verify up to 100 email addresses with the ZeroBounce free email verifier plugin! Every new month, we’ll replenish your balance with 100 additional verifications. If you’re new to ZeroBounce, this is an excellent way to put our email validation to the test.

✔️ Download your email validation results

You can quickly download your results after gathering your email addresses and using our one-click email verifier. Generate instant reports as a CSV or XLSX file, or print your files to take with you.

Why use Email Verifier by ZeroBounce?

✔️ Minimize your email bounce rates

The ZeroBounce email verifier detects more than 30 email address types. Use the plugin to validate emails, determine which ones are valid, and ditch the invalid, high-risk emails. Keep your email list clean to ensure your messages reach the inbox.

✔️ Better email deliverability

Excellent email deliverability means better inbox placement. When your email list contains only valid email addresses, you’ll bounce less and reach the inbox more. With fewer bounces, you enjoy better deliverability, visibility, and engagement.

✔️ Protect your sender reputation

Using invalid email addresses is terrible for your email domain reputation. Our one-click free email verifier ensures you keep your list clean to avoid high bounce rates and keep your company’s sender reputation pristine.

Want a more hands-on look at ZeroBounce? Try our free email verifier ( http://www.zerobounce.net/free-email-verifier ) to determine if your email addresses are valid.

Having issues with the Email Verifier by ZeroBounce plugin? Contact us today at support@zerobounce.net - available 24/7, 365 days a year.

User Growth & Download Statistics

Manifest V2 Add-on
By:
ZeroBounce
Daily users:
12 2
Rating:
5.00
(2)
Version:
1.5 Last updated: 2024-04-30
Version code:
5735746
Creation date:
2023-04-04
Risk:
Moderate risk impact Low risk likelihood
Permissions:
Content scripts matches:
  • *
Size:
1.35MB
Email:
su*****@zerobounce.net
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Firefox Add-ons Store
Data ingested on:
2026-06-20
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
ZeroBounce
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/zerobounce-email-validator/
Email:
su*****@zerobounce.net
Website:
https://zerobounce.net

User Reviews

by 退出*****, 2025-04-22

by 退出*****, 2025-03-16

Had this recommended to me by a business partner, worked flawlessly so far, had a minor issue but support fixed it quickly. Highly recommended.
by Mr*****, 2024-01-22
View all user reviews ›

Is Email Verifier by ZeroBounce Safe?

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Email Verifier by ZeroBounce requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
  • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
  • Low ******* ****** ** *** ********* ******** **************
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Email Verifier by ZeroBounce has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
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