# nos2x-fox

> Nostr Signer Extension (for Firefox)

Canonical page: [https://chrome-stats.com/d/nos2x-fox](https://chrome-stats.com/d/nos2x-fox)

## Overview

- **ID:** `nos2x-fox`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Diego
- **Category:** privacy-security
- **Daily users:** 850
- **Weekly downloads:** 26
- **Rating:** 4.60 / 5 (10 ratings)
- **Version:** 1.20.1
- **Last updated:** 2026-07-10
- **First published:** 2023-01-09
- **Size:** 1.36 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/nos2x-fox/)
- **Website:** [https://diegogurpegui.com/nos2x-fox/](https://diegogurpegui.com/nos2x-fox/)

## Description

**nos2x-fox** is a Firefox extension that functions as a Nostr signer, enabling users to securely sign messages within the Nostr protocol. This extension integrates smoothly with the Firefox browser, offering an efficient and secure method for managing cryptographic signatures essential to Nostr's decentralized communication platform.

With nos2x-fox, users can streamline their workflow in using Nostr by easily signing messages directly from the browser. The extension improves security by managing cryptographic signing locally, ensuring privacy and trustworthiness without relying on external services.

## Rankings

- #3,609 — Overall
- #94 — x
- #153 — foe

## Permissions and access

### Permissions

- `storage`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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

- [nos2x-fox forked by utubo](https://chrome-stats.com/d/nos2x-fox-forked-by-utubo) — 1 users
- [nos2x](https://chrome-stats.com/d/nos2x) — 184 users, 5.00 / 5
- [Nostr Connect](https://chrome-stats.com/d/nostr-connect) — 579 users, 4.20 / 5
- [Soapbox Signer](https://chrome-stats.com/d/soapbox-pub-signer) — 10 users, 5.00 / 5
- [Foxfur](https://chrome-stats.com/d/foxfur)
- [foxxy firefox fox](https://chrome-stats.com/d/foxxy-firefox-fox)
- [Orange fox](https://chrome-stats.com/d/orange-fox)
- [D-SIGNerFox](https://chrome-stats.com/d/d-signerfox)
- [Signstr: A Nostr Signer for your Browser](https://chrome-stats.com/d/signstr-a-nostr-signer) — 11 users
- [invertfox](https://chrome-stats.com/d/invertfox)
- [FirefoxFoxs](https://chrome-stats.com/d/firefoxfoxs) — 4.00 / 5
- [nono-fox](https://chrome-stats.com/d/nono-fox)

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Source: [Chrome-Stats](https://chrome-stats.com/d/nos2x-fox)