Extensions for proton.me
93 browser extensions built for proton.me. Compare features, permissions, and safety across Chrome, Firefox, and Edge.
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Chrome Web StoreEmail Sent - Dark Souls Notification
Dark Souls themed notification when you send an email (Gmail, Outlook, Yahoo, ProtonMail, Yandex) and many others.
Elden Email
Shows an Elden Ring banner when you send an email
4.64.8
Chrome Web StoreEmail Notifier
A lite notifier that works with Gmail™, Yahoo, Live, iCloud, and more.
Chrome Web StoreBrave Talk for Calendars
Schedule Brave Talk meetings directly from your web-based calendar
Firefox Add-onsEmail Sent Dark Souls style
Dark Souls style notification for Gmail. Receive epic "Email Sent" notification once you send you email in Gmail.
Edge Add-onsEmail Notifier
A lite notifier that works with Gmail™, Yahoo, Live, iCloud, and more.
Chrome Web StoreeMail HTML Extractor
Download Email templates easily
Firefox Add-onsEmail Notifier
A lite notifier that works with Gmail™, Yahoo, Live, iCloud, Mail.com and GMX
Firefox Add-onsProton Calendar Shortcuts
Adds customizable keyboard shortcuts (e.g., next, previous, today, ...) to Proton Calendar.
Firefox Add-onsDreamwidth Features
Utility features for Dreamwidth.
Chrome Web StoreEmail Designer
Create and design beautiful emails directly in Gmail, Outlook, Yahoo and ProtonMail
Chrome Web StoreProtonMail Assistant
ProtonMail Assistant - Provides quick access, unread email reminders, desktop notifications, and more.
Firefox Add-onsRTL Duck AI - Copilot - Grok - Perplexity Persian
A browser extension for Persian, Arabic, and other RTL languages. It toggles text direction and applies a custom font for readability, compatible with DeepSeek, Qwen, POE, Mistral AI, Duck AI, ChatGPT, Copilot, Lumo, Perplexity & Grok.", حل مشکل RTL
Chrome Web StorePaste Overflow
Paste large content into AI chat platforms as text or file attachments. Supports Claude, ChatGPT, Gemini, Perplexity, and more.
Edge Add-onsEmail Sent - Dark Souls Notification
Dark Souls themed notification when you send an email (Gmail, Outlook, Yahoo, ProtonMail, Yandex, Zoho).
Mail Checker for Proton Mail
Check your Proton Mail inbox. Shows unread count, notifications, message preview, compose, reply, forward with attachments, calendar invites with RSVP, FIDO2 login, multi-account support, and end-to-end encryption.
5.05.0
Firefox Add-onsProtonMail Notifier
Unofficial ProtonMail extension. Provides notifications and makes it possible to close the ProtonMail tab, and even the browser, without getting logged out.
Chrome Web StoreProtonmail Avatars
Unofficial plugin. Displays avatar icons for senders in the Protonmail interface
Firefox Add-onsProton Switch
Quickly switch between Proton Mail accounts with this add-on. No need to visit the Proton Switch page everytime, instead just open the extension popup and click the account to which you want to switch. Completely open source!
Chrome Web StoreAuto Advance for Proton Mail
Automatically opens the next email after deleting or archiving in Proton Mail.
PhishGuard — Email Phishing Detector
Real-time phishing detection for Outlook, Gmail, Yahoo, Proton Mail, Telenet and more. Scores every email for risk.
5.0—
Chrome Web StoreAI2GO.chat - AI Chat New Tab
The Best AI chat platforms all in one place: GPT, Claude, Gemini, Grok, Copilot and more!
Chrome Web StoreSendManager: Automate Email Campaigns in Any Webmail (Gmail...)
Your personal assistant to automate repetitive email workflows and save hours of manual work.
Chrome Web StoreProtonMail to PDF
Convert ProtonMail email content to PDF document
Firefox Add-onsProtonMail (unofficial)
Unofficial ProtonMail extension. Provides notifications and/or unread count badge.
Chrome Web StoreIzimail - AI Email Assistant
Save hours, every weeks. Izimail helps you write and reply to your emails on Gmail, Outlook, Yahoo, and more.
Chrome Web StoreMoni: Autonomous Receipt Capture
Sync billing invoices from AI providers to Moni. Automatically downloads PDF invoices using your browser sessions.
Firefox Add-onsProtonCount
Proton Documents Counters (words, chars...).
Chrome Web StoreProtonMail Sidebar Resizer
Add resizable functionality to ProtonMail's sidebar
Chrome Web StoreSumGeniusAI VibeCheck
AI-powered tone analysis by SumGeniusAI - Never send the wrong message again
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