# Unit Converter

> Detects selected values on a page and converts currencies, temperatures, weights, lengths, and times to your preferred system and units.

Canonical page: [https://chrome-stats.com/d/unit-converter-knightnull](https://chrome-stats.com/d/unit-converter-knightnull)

## Overview

- **ID:** `unit-converter-knightnull`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Spadl
- **Category:** other
- **Daily users:** 2
- **Version:** 1.0.1
- **Last updated:** 2026-07-01
- **First published:** 2026-06-23
- **Size:** 74 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/unit-converter-knightnull/)

## Rankings

- #65,503 — Overall
- #61 — temperature

## Permissions and access

### Permissions

- `storage`

### Host permissions

- `https://api.frankfurter.dev/*`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** High 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).

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