# Chat ViewFlex

> Control the width of the chat ui window in ChatGPT, Gemini, or Claude.

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

## Overview

- **ID:** `chat-viewflex`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Mark
- **Category:** appearance
- **Daily users:** 4
- **Version:** 0.6
- **Last updated:** 2026-02-26
- **First published:** 2025-04-23
- **Size:** 26 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/chat-viewflex/)

## Description

Expand conversation width on Google Gemini, ChatGPT, and Claude for improved readability. No more annoying narrow chat windows! Provides flexible, comfortable viewing width with customizable settings for each AI chat platform.

Full Description

Chat ViewFlex gives you control over conversation width on popular AI chat interfaces, reducing wasted screen real estate.

Many AI chat platforms use narrow default layouts that waste screen space and make conversations harder to follow. Chat ViewFlex automatically expands these narrow windows to provide a more appealing chat experience.

Supported Platforms:
<ul><li>Google Gemini (<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/187ed18c48fe4e37708681edcdd7edf8bc86c3385debd75875ddac265b398f10/http%3A//gemini.google.com" rel="nofollow">gemini.google.com</a>)</li><li>ChatGPT (<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/68a188960f04e2a84c1f04ab562a849360a490d4e86c75e7c7be3ab59437f37d/http%3A//chatgpt.com" rel="nofollow">chatgpt.com</a>, <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/20e01e30ea25078cea902794aa1e958707e366e9d854536f80d3480d0584470a/http%3A//chat.openai.com" rel="nofollow">chat.openai.com</a>)</li><li>Claude (<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/749f55679c25c240feed4c33d337c9a6fd364a96bdf82dafdc769bc8883d8fcd/http%3A//claude.ai" rel="nofollow">claude.ai</a>)</li></ul>
Features:**
<ul><li>Automatically expands conversation width</li><li>Customizable width settings for each platform</li><li>Clean, unobtrusive interface</li><li>Simple - uses CSS modifications</li></ul>
How it works:

Chat ViewFlex monitors the page and applies optimized width settings to conversation containers, input areas, and chat bubbles. The extension adapts to dynamic content loading, ensuring consistent formatting throughout your chat sessions.

Perfect for users who want to make the most of their screen real estate.

## Rankings

- #49,013 — Overall

## Permissions and access

### Permissions

- `storage`
- `tabs`

### Content script matches

- `gemini.google.com`
- `chatgpt.com`
- `chat.openai.com`
- `claude.ai`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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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- [WideGPT](https://chrome-stats.com/d/widegpt) — 43 users, 3.86 / 5
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Source: [Chrome-Stats](https://chrome-stats.com/d/chat-viewflex)