# CleanSignUps Email Verifier

> Extract and validate emails using CleanSignUps API.

Canonical page: [https://chrome-stats.com/d/cleansignups](https://chrome-stats.com/d/cleansignups)

## Overview

- **ID:** `cleansignups`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** KSoft Solution
- **Category:** web-development
- **Daily users:** 1
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.0.2
- **Last updated:** 2026-01-22
- **First published:** 2026-01-18
- **Size:** 355 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/cleansignups/)
- **Website:** [https://www.cleansignups.com](https://www.cleansignups.com/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/cleansignups/privacy/](https://addons.mozilla.org/firefox/addon/cleansignups/privacy/)

## Description

CleanSignUps Email Verifier allows users to extract email addresses from any webpage and validate them using the CleanSignUps API.

Key features:
• Extract email addresses from any website
• Validate emails individually or in bulk
• Export results to CSV or Excel
• Print validated email lists
• Secure API key storage using browser storage

This add-on requires a CleanSignUps account and API key to function.

## Rankings

- #80,275 — Overall
- #246 — export emails
- #246 — polished emails

## Permissions and access

### Permissions

- `storage`
- `activeTab`

### Host permissions

- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension support email may not be valid

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [Email Validator](https://chrome-stats.com/d/email-validator) — 2 users
- [Email Extractor](https://chrome-stats.com/d/emailextractorpro) — 3 users
- [Lead Email Finder & Validator](https://chrome-stats.com/d/lead-email-finder-validator) — 2 users
- [Email Verifier](https://chrome-stats.com/d/mailshunt-email-verifier) — 17 users, 5.00 / 5
- [Email Verifier by ZeroBounce](https://chrome-stats.com/d/zerobounce-email-validator) — 12 users, 5.00 / 5
- [Smart Email Validator](https://chrome-stats.com/d/smart-email-validator)
- [Email Extractor - EmailVerify.ai](https://chrome-stats.com/d/email-extractor-emailverify-ai) — 1 users
- [Email Validator Pro](https://chrome-stats.com/d/email-validator-pro)
- [Email Scraper](https://chrome-stats.com/d/email-scraper) — 19 users
- [Email Extractor - Website Email Finder](https://chrome-stats.com/d/email-extractor-email-finder) — 17 users
- [Email Extractor](https://chrome-stats.com/d/emailextractor) — 146 users, 5.00 / 5
- [Email Extractor - Free & Unlimited](https://chrome-stats.com/d/email-extractor-free-unlimited) — 403 users, 5.00 / 5

---

Source: [Chrome-Stats](https://chrome-stats.com/d/cleansignups)