# Vision Test

> Test your vision (visual acuity) via Tumbling E chart in your browser!

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

## Overview

- **ID:** `vision-test`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** keller
- **Category:** appearance,alerts-updates,other,tabs
- **Daily users:** 4
- **Version:** 0.1.5
- **Last updated:** 2026-01-26
- **First published:** 2019-09-30
- **Size:** 40 KB
- **Data as of:** 2026-09-16
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/vision-test/)
- **Website:** [https://mybrowseraddon.com/vision-test.html](https://mybrowseraddon.com/vision-test.html)

## Description

"Vision Test" is a simple and easy-to-use Firefox add-on that allows you to test your vision (visual acuity) using a Tumbling E chart in your browser. It works based on the principle of how well you can see objects at 6 meters or 20 feet away. The chart has an E character, and you need to decide the direction of the character only. Suitable for all ages and individuals with different languages.

## Rankings

- #49,131 — Overall
- #220 — testing

## Permissions and access

### Permissions

- `storage`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate 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/vision-test)