# Graythumb

> Apply grayscale filter to Youtube thumbnail images.

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

## Overview

- **ID:** `graythumb`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Diego Sandoval
- **Category:** appearance
- **Daily users:** 1
- **Version:** 1.1.1
- **Last updated:** 2022-11-13
- **First published:** 2022-11-05
- **Size:** 28 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/graythumb/)
- **Website:** [https://github.com/sandov/graythumb](https://github.com/sandov/graythumb)

## Description

Graythumb is a Firefox add-on that allows you to apply a grayscale filter to Youtube thumbnail images. Its purpose is to help reduce distractions and curb Youtube addiction while browsing the platform.

## Rankings

- #92,059 — Overall

## Permissions and access

### Content script matches

- `*.youtube.com`

## Safety

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

### Analysis details

- Request access to the following domains: youtube.com
- 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/graythumb)