Pre-sending Checker for Gmail

Name: Pre-sending Checker for Gmail
Rating: 4.5 (12 reviews)
Author: waterada

Allows to pop up all lists easy to check whether or not any wrong addresses in TO/CC/BCC in your Gmail.

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Pre-sending Checker for Gmail is a handy Chrome extension designed to prevent email misdelivery by confirming the recipients before sending. When composing emails in Gmail, it pops up clear lists of all addresses included in the TO, CC, and BCC fields, allowing users to quickly verify and avoid adding incorrect recipients.

This extension is especially useful for professionals handling sensitive or important communications, providing a simple yet effective way to reduce mistakes and ensure emails reach the correct contacts. Enhance your Gmail experience with Pre-sending Checker and send emails confidently every time.

By:

waterada

Users:

80,000+ 10.00K

Rating:

4.50

(12) 0.05

Version:

1.5 Last updated: 2025-04-18

Creation date:

2020-02-09

Risk:

Host permissions:

https://mail.google.com/*

Size:

77.71K

Email:

wa*****@yahoo.co.jp

Full description:

See detailed description ⏷

Source:

Chrome Web Store

Updated:

a day ago

Ranking

# 2,538 ▲ 196

Top 10 Gmail Chrome Extensions for 2025 Productivity

User reviews

Users find the Pre-sending Checker for Gmail very helpful for preventing email mistakes and appreciate its domain-specific checks and security features. They praise the developers for timely updates maintaining compatibility with Gmail and Chrome changes. However, users have faced issues with the extension malfunctioning after browser or Gmail updates, and some desire improvements such as supporting 'from' address checks, addressing shortcut bypasses, and expanding language support.

Pros

Helps prevent mistakes when sending emails, providing valuable assistance.
Highly appreciated and considered very useful by many users.
Quickly updated to maintain compatibility with Gmail and Chrome changes.
Offers domain-specific recipient checking, which is a unique and excellent feature.
Improves email security by thorough pre-sending checks.

Cons

Stopped working after Chrome or Gmail updates, causing inconvenience.
Did not check 'from' email address, limiting its completeness.
Ctrl + Enter shortcut bypasses the check feature, needing improvement.
Limited language support; users desire multi-language adaptability.

Recent reviews

メールを送るときにいつも助けられています。素晴らしい拡張機能をありがとうございます。

Koichi Takeda, 2025-05-10

いつもありがとうございます。大変重宝しています。本日のChromeアップデート後、動作しなくなったようです。もし可能でしたらご対応いただけましたら助かります。

Shinichiro SHIBATA, 2024-08-19

2024/07/26の本拡張機能の更新で再度利用できるようになりました。ありがとうございます。

doseisan ons, 2024-07-29

View all user reviews ›

Extension safety

Risk impact

Pre-sending Checker for Gmail requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details

Critical Request access to the following domains: {{requestedDomains}}
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Risk likelihood

Pre-sending Checker for Gmail has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details

High This extension was recently updated in the past month. New updates may not be stable or safe.
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