FireShot uses Gmail API to insert screenshots as attachments.
Absolutely! We have always treated the security of our 5.5 Million users very seriously. So you can rest assured FireShot is secure and trustworthy. FireShot has a 5-star rating on Chrome Web Store and more than 40000 positive reviews. The native code is also used for the FireShot extension for Firefox, and you can read customer reviews to make sure that FireShot is safe.
We are "The Best Free Google Chrome Extension" as claimed by PCMAG.COM
FireShot opens a new message window and appends screenshots to it. This is the sole alteration made to the mail.google.com webpage. The decision to send these messages or dismiss them by closing the tab is entirely yours.
You can find our privacy policy here: https://getfireshot.com/privacy.php