ChatGPT Extended

Name: ChatGPT Extended
Author: TherioJunior

Add extended functionality and prompt managing to ChatGPT. As of right now, this adds 5 features to ChatGPT which just improved the overall quality of life.

This add-on was removed from Firefox Add-ons Store on 2025-10-26

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Features & Capabilities

Adds the following to ChatGPT:

Default Model Selector: no matter what you do on the site, new chats will be started with a through the extension selected model which is up to your choice. These are separated between the free GPT-3.5 Turbo and all the different paid GPT-4 versions. NOTE: This will not unlock those models, you'd still have to have OpenAI/ChatGPT Premium.
Output Language: Choose and force ChatGPT to have the conversation with you in German, English or let it auto-detect the language for you. If you don't like it, you can have it set to nothing and let ChatGPT decide on its own (this is the default)
Output/Conversation style: Have ChatGPT answer in a specific style. You can have it set to answer playfully, as an example.
Output/Conversation tone: Have ChatGPT answer in a specific tone. You can, amongst other things, force the answers to be Journalistic, Creative, Precise, Technical or make ChatGPT explain it to your like you are 5 years old (ELI5)

Additionally, this adds a button to your chatbox which lets you make ChatGPT continue its answer and further expand what it was talking about by clicking this one button.

User Growth & Download Statistics

Add-on

By:

TherioJunior

Daily users:

Version:

1.1 Last updated: 2023-10-23

Version code:

5640505

Creation date:

2023-10-22

Risk:

Permissions:

Content scripts matches:

chat.openai.com

Size:

25.57KB

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2025-10-26

Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

TherioJunior

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/chatgpt-extended/

Website:

https://gitlab.com/TherioJunior/chatgpt-extended/issues

Is ChatGPT Extended Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

ChatGPT Extended requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details

High Allows retrieval of a user’s browsing history, presenting a notable privacy risk.
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Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

ChatGPT Extended may not be trust-worthy. Avoid installing if possible unless you really trust this publisher.