# Unofficial Proton Mail Keyboard Shortcuts

> Customizable, view-consistent keyboard shortcuts for the Proton Mail web client. Unofficial — not affiliated with Proton AG.

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

## Overview

- **ID:** `upmks`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Jason Novak
- **Category:** appearance,social-communication
- **Daily users:** 1
- **Weekly downloads:** 1
- **Version:** 0.0.4
- **Last updated:** 2026-06-19
- **First published:** 2026-05-03
- **Size:** 61 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/upmks/)
- **Website:** [https://github.com/jasonanovak/unofficial-protonmail-keyboard-shortcuts](https://github.com/jasonanovak/unofficial-protonmail-keyboard-shortcuts)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/upmks/privacy/](https://addons.mozilla.org/firefox/addon/upmks/privacy/)

## Description

<strong>Unofficial</strong> — this extension is not affiliated with, endorsed by, or supported by Proton AG.

This extension layers a consistent, fully-customizable shortcut engine onto the Proton Mail web client at <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/0b7772e62573a39455ffb619866d78fed1585333156d4634494b64c30838cd99/http%3A//mail.proton.me" rel="nofollow">mail.proton.me</a>. Every shortcut works the same regardless of which element is focused, and you can change the keyboard shortcuts via the extension's Options page.

## Rankings

- #107,022 — Overall
- #168 — keyboard

## Permissions and access

### Permissions

- `storage`

### Host permissions

- `https://mail.proton.me/*`

### Content script matches

- `mail.proton.me`

## Safety

- **Risk impact:** Low risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> 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

- [Proton Switch](https://chrome-stats.com/d/proton-switch) — 40 users, 5.00 / 5
- [ProtonMail (unofficial)](https://chrome-stats.com/d/protonmail) — 271 users, 3.36 / 5
- [ProtonMail Notifier](https://chrome-stats.com/d/protonmail-notifier) — 138 users, 4.29 / 5
- [ProtonMail (unofficial)](https://chrome-stats.com/d/protonmail-unofficial) — 18 users, 4.40 / 5
- [Proton Calendar Shortcuts](https://chrome-stats.com/d/proton-calendar-shortcuts) — 272 users, 5.00 / 5
- [Proton Mail (Proton)](https://chrome-stats.com/d/proton-mail) — 1 users
- [ProtonMail](https://chrome-stats.com/d/catto-protonmail) — 3 users
- [Mail Checker for Proton Mail](https://chrome-stats.com/d/mail-checker-for-proton-mail) — 12 users, 5.00 / 5
- [ProtonMail Launcher](https://chrome-stats.com/d/protonmail-launcher) — 17 users
- [improveProton](https://chrome-stats.com/d/improveproton) — 5.00 / 5
- [ProtonMail Launcher](https://chrome-stats.com/d/protonmail-simple-launcher) — 1,668 users, 4.89 / 5
- [Refined ProtonCalendar](https://chrome-stats.com/d/refined-protoncalendar) — 9 users, 5.00 / 5

---

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