Unofficial ProtonMail extension. Provides notifications and makes it possible to close ProtonMail without getting logged out.

Latest Version

Version
1.10.0
Update
March 10, 2020
Size
184KiB
Developer
Category
Users
1,000+
Rating
3.41667 ★
Manifest Version
2
Web Store Status
Languages Support
English
Español
See more
Permissions
Https://mail.protonmail.com/*
Https://old.protonmail.com/*
Https://beta.protonmail.com/*
Https://app.protonmail.ch/*
Https://protonirockerxow.onion/*
Tabs
Storage
Cookies
Notifications
WebRequest
Alarms
See more

ProtonMail (unofficial) Extension

Issues: https://github.com/gitladen7/protonmail-webextension/issues
Source code: https://github.com/gitladen7/protonmail-webextension

General Settings:

Fetch interval: Select how often the extension will check for new emails.


Settings:

Persist session: Check it to keep the sessions in browser memory.
Persist session even if browser is closed: Check it to save the sessions to disk. WARNING: Your mailbox password will be written to your hard drive.
Show unread count badge: A badge will show on the extension icon with the number of unread emails on the INBOX.
Show notifications on new emails: If checked then the extension will show a notification when you receive an email.
Enable peeking: If checked then you will be able to see a list of your inbox unread emails in the extension itself.
Read more

Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 2, "name": "__MSG_extension_name__", "version": "1.10.0", "description": "__MSG_extension_description__", "homepage_url": "https://github.com/gitladen7/protonmail-webextension", "default_locale": "en", "icons": { "16": "icons/icon-16.png", "32": "icons/icon-32.png", "64": "icons/icon-64.png", "128": "icons/icon-128.png" }, "permissions": [ "https://mail.protonmail.com/*", "https://old.protonmail.com/*", "https://beta.protonmail.com/*", "https://app.protonmail.ch/*", "https://protonirockerxow.onion/*", "tabs", "storage", "cookies", "notifications", "webRequest", "alarms" ], "browser_action": { "browser_style": false, "default_popup": "index.html", "default_icon": { "16": "icons/icon-16.png", "32": "icons/icon-32.png" }, "default_title": "ProtonMail" }, "background": { "scripts": [ "browser-polyfill.js", "background.js" ] }, "content_security_policy": "default-src 'self'; connect-src https://mail.protonmail.com/api/events/ https://mail.protonmail.com/api/messages/count https://mail.protonmail.com/api/messages https://mail.protonmail.com/api/messages/read https://mail.protonmail.com/api/settings/mail https://mail.protonmail.com/api/auth/refresh https://old.protonmail.com/api/events/ https://old.protonmail.com/api/messages/count https://old.protonmail.com/api/messages https://old.protonmail.com/api/messages/read https://old.protonmail.com/api/settings/mail https://old.protonmail.com/api/auth/refresh https://beta.protonmail.com/api/events/ https://beta.protonmail.com/api/messages/count https://beta.protonmail.com/api/messages https://beta.protonmail.com/api/messages/read https://beta.protonmail.com/api/settings/mail https://beta.protonmail.com/api/auth/refresh https://app.protonmail.ch/api/events/ https://app.protonmail.ch/api/messages/count https://app.protonmail.ch/api/messages https://app.protonmail.ch/api/messages/read https://app.protonmail.ch/api/settings/mail https://app.protonmail.ch/api/auth/refresh https://protonirockerxow.onion/api/events/ https://protonirockerxow.onion/api/messages/count https://protonirockerxow.onion/api/messages https://protonirockerxow.onion/api/messages/read https://protonirockerxow.onion/api/settings/mail https://protonirockerxow.onion/api/auth/refresh"}
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How to download and manually install ProtonMail (unofficial) extension for Chrome

Looking for a way to install ProtonMail (unofficial) extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install ProtonMail (unofficial) extensions manually, this article outlines two simple methods to effortlessly install ProtonMail (unofficial) extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download ProtonMail (unofficial) extension and manually install through Drag &Drop

If you ever need to manually install a ProtonMail (unofficial) extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the ProtonMail (unofficial) Extension by clicking the "Download CRX" button on the website.

Look for the ProtonMail (unofficial) extension you wish to install. Go to the website and download the ProtonMail (unofficial) extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for ProtonMail (unofficial) extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the ProtonMail (unofficial) extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download ProtonMail (unofficial) extension for Chrome and install in Developer Mode

This is another method to install ProtonMail (unofficial) extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the ProtonMail (unofficial) extension file

Select and download the ProtonMail (unofficial) extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the ProtonMail (unofficial) extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your ProtonMail (unofficial) extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the ProtonMail (unofficial) extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install ProtonMail (unofficial) extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Vince Aggrippino (ID: 00000082e25bb514) Voted 1 ★ - Updated 09/08/2022 It doesn't do anything.

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tholeb (ID: 000000a5e23ac63c) Voted 5 ★ - Updated 07/24/2022 Hi, needs an update. Doesn't work with last Proton domain update. This extension is awesome, please, do something :)

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Jeremiah Ross (ID: 00000073f9437ef7) Voted 1 ★ - Updated 07/13/2022 Needs an update. I had to reinstall the extension recently and it no longer stays logged in. I suspect this has to do with the ProtonMail update not long ago where the main domain changed from ProtonMail.com to Proton.me. The extension does not have the ability to add or modify the new domain and so it simply doesn't log in or recognize proton browser cookies anymore. It was a great extension before this setback that I'd gladly change back to 5 stars once updated.

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Karma (ID: 000000317c3377de) Voted 3 ★ - Updated 12/10/2021 Can you please update this extension.

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Rogério Bordini (ID: 000000bd3c2a7420) Voted 4 ★ - Updated 10/20/2021 Wonderful and very useful extension, but we really could have some more functionalities, such as the option to delete or archive emails directly through the extension. Overall, thanks and hope you can keep up with the good work :)