# ChatGPT simple Widescreen

> Widens ChatGPT conversation messages on chatgpt.com.

Canonical page: [https://chrome-stats.com/d/chatgpt-simple-widescreen](https://chrome-stats.com/d/chatgpt-simple-widescreen)

## Overview

- **ID:** `chatgpt-simple-widescreen`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Perry das Schnabeltierhen
- **Category:** appearance
- **Daily users:** 4
- **Weekly downloads:** 1
- **Version:** 1.2.1
- **Last updated:** 2026-08-22
- **First published:** 2026-08-19
- **Size:** 42 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/chatgpt-simple-widescreen/)

## Description

<strong>ChatGPT Widescreen</strong> is a minimal Firefox extension that makes the ChatGPT interface use more horizontal space on widescreen displays.

The extension is intentionally simple and focused. It only injects a small CSS override on <code>https://chatgpt.com/*</code> to widen the visible chat area.

It does not add features, menus, or controls. It only alters some CSS on the site and nothing more.

This add-on was created by <strong>Arne</strong>, with support from <strong>ChatGPT</strong>.

<ul><li>widens the visible ChatGPT conversation layout</li><li>applies automatically on <code>https://chatgpt.com/*</code></li><li>uses only a local CSS override included in the add-on package</li></ul>
<ul><li>no JavaScript logic</li><li>no background script</li><li>no remote code</li><li>no telemetry or analytics</li><li>no data collection</li><li>no external network requests</li><li>no settings page</li><li>no preferences or options to change</li></ul>

The extension is active only on the following site:
<ul><li><code>https://chatgpt.com/*</code></li></ul>
It does not affect any other website.

The add-on package contains:
<ul><li><code>manifest.json</code></li><li><code>widescreen.css</code></li><li>icon files in <code>icons/</code></li></ul>
Firefox loads the stylesheet through <code>content_scripts</code>, and the CSS is applied automatically when ChatGPT is opened.

This extension is designed to be minimal.

It does not read or transmit user data. It does not collect usage information. Its purpose is limited to applying CSS styling on ChatGPT pages matched by the manifest.

To test the extension locally:
<ol><li>Open <code>about:debugging</code></li><li>Select <strong>This Firefox</strong></li><li>Click <strong>Load Temporary Add-on...</strong></li><li>Choose <code>manifest.json</code> from this folder</li><li>Reload any open ChatGPT tab</li></ol>

This version is structured for submission to Mozilla Add-ons.

Because Mozilla's built-in data-collection declaration used by this extension is supported from Firefox 140 on desktop and Firefox for Android 142, those are the declared minimum browser versions.

For permanent installation in normal Firefox Release, Mozilla signing is required.

<code>chatgpt-widescreen-firefox-v1.2.1/
├── icons/
│   ├── icon-48.png
│   ├── icon-96.png
│   └── icon-128.png
├── LICENSE
├── manifest.json
├── README.md
└── widescreen.css
</code>

## Rankings

- #50,360 — Overall
- #228 — chatgpt

## Permissions and access

### Content script matches

- `chatgpt.com`

## Safety

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

### Analysis details

- Request access to the following domains: chatgpt.com
- This extension was recently updated in the past month. New updates 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

- [ChatGPT Widescreen](https://chrome-stats.com/d/chatgpt-widescreen) — 438 users, 4.31 / 5
- [FatGPT — ChatGPT Width Control](https://chrome-stats.com/d/fatgpt-chatgpt-width-control) — 15 users
- [fullWidthChatGPT](https://chrome-stats.com/d/fullwidthchatgpt) — 2 users, 5.00 / 5
- [ChatGPT Widener](https://chrome-stats.com/d/chatgpt-widener)
- [ChatGPT Mods](https://chrome-stats.com/d/chatgpt-mods) — 1 users
- [WideGPT](https://chrome-stats.com/d/widegpt) — 44 users, 3.86 / 5
- [Wide GPT](https://chrome-stats.com/d/wide-gpt) — 314 users, 4.17 / 5
- [ChatGPT Full Width](https://chrome-stats.com/d/chatgpt-full-width) — 29 users, 3.00 / 5
- [MakeChatGPTWider (deprecated)](https://chrome-stats.com/d/makechatgptwider) — 1 users
- [ChatGPT UI Settings](https://chrome-stats.com/d/chatgpt-ui-settings) — 12 users, 4.00 / 5
- [ChatGPT-WiderAnswerSpace](https://chrome-stats.com/d/chatgpt-wideranswerspace) — 266 users, 4.43 / 5
- [ChatGPT in Sidebar](https://chrome-stats.com/d/chatgpt-in-sidebar) — 6,483 users, 3.87 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/chatgpt-simple-widescreen)