# RSC Clock

> A customizable browser toolbar clock with digital and analog views, world clock timezones, 12/24-hour format, seconds toggle, custom colors, and custom fonts.

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

## Overview

- **ID:** `rsc-clock`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Remote SEO Consultant
- **Category:** appearance
- **Daily users:** 1
- **Version:** 1.0.0
- **Last updated:** 2026-08-05
- **First published:** 2026-08-02
- **Size:** 20 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/rsc-clock/)
- **Website:** [https://remoteseoconsultant.com](https://remoteseoconsultant.com/)

## Description

RSC Clock is a lightweight browser toolbar clock extension. Click the toolbar icon to see the time — locally and across up to two other timezones — in either a digital or fully-numbered analog view.

<strong>Features:</strong>
- Digital &amp; Analog views — switch between a digital readout and an analog clock face with all 12 numbers shown
- World clock — add two extra timezone slots alongside your local time
- 12/24-hour format toggle, with AM/PM
- Seconds on/off toggle
- Light / Dark / Auto theme, following your system preference
- Custom colors — quick-pick swatches for background and clock color
- Custom fonts for the clock display
- Settings sync via the browser's built-in storage — no account, no external server, no tracking

Built by <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/935edc3908b2ec7fc204b73a603cab0ee2d9253038c27f1ef8ef9f9a4b8e1ad0/https%3A//remoteseoconsultant.com" rel="nofollow">Remote SEO Consultant</a>.

Source available on <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/a986176488b135338822bd2bd3d4d832d001319337b427b24c0412a936735968/https%3A//github.com/remoteseoconsultant/rsc-clock" rel="nofollow">GitHub</a>.

## Rankings

- #97,471 — Overall
- #209 — clock

## Permissions and access

### Permissions

- `storage`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- 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).

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