# NoEval - Disable Eval()

> Disable window.eval() in all websites and improve your online security!

Canonical page: [https://chrome-stats.com/d/noeval-disable-eval](https://chrome-stats.com/d/noeval-disable-eval)

## Overview

- **ID:** `noeval-disable-eval`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** keller
- **Category:** privacy-security,other,tabs
- **Daily users:** 1
- **Rating:** 3.00 / 5 (4 ratings)
- **Version:** 0.1.8
- **Last updated:** 2026-01-05
- **First published:** 2020-03-11
- **Size:** 67 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/noeval-disable-eval/)
- **Website:** [https://mybrowseraddon.com/noeval.html](https://mybrowseraddon.com/noeval.html)

## Description

NoEval - Disable Eval() is a Firefox add-on that disables window.eval() function and similar approached eval() in all websites. By doing so, it improves online security by reducing the risks associated with using eval().

## Rankings

- #72,764 — Overall
- #122 — disable

## Permissions and access

### Permissions

- `storage`
- `scripting`

### Host permissions

- `*://*/*`

## 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/noeval-disable-eval)