GPT-Prompter
Enhance browsing with integrated AI text tools.. [Free]
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What is GPT-Prompter?
GPT-Prompter is a Chrome extension that lets you use GPT-3, GPT-4, and the ChatGPT API directly from any webpage without going to OpenAI’s site. It is designed to make prompt use faster and more convenient by keeping the workflow inside the browser. The extension includes pre-made customizable prompts and conversations, plus a playground-like interface for quick access from the page you are already on. It is aimed at people who want a lightweight way to send selected text or custom prompts to OpenAI’s API with less friction.
The tool emphasizes speed and simplicity. You can open it from the browser, paste your API key, optionally select text on a webpage, and trigger a custom prompt from the context menu. The website says the extension can be used to streamline GPT usage and save time and effort. It also highlights that the extension works with your own OpenAI API key and that the project is open source.
GPT-Prompter is especially useful for people who regularly summarize, rewrite, explain, or transform webpage text into structured outputs. Because prompts can be customized with a #TEXT# placeholder, it can adapt to many workflows where the selected page content needs to be processed. The site also mentions support for GPT-4 and Whisper models, making it broader than a simple text helper. Overall, it is best for users who want direct browser-based access to OpenAI models rather than a separate chat interface.
GPT-Prompter pricing
Pricing model: Freemium
The extension itself is free according to the website FAQ, but OpenAI API usage is not free and requires your own API key and a valid OpenAI billing setup. The FAQ says that insufficient quota errors come from OpenAI, not the extension, and that users may need to update payment details if free credit has expired. The site does not describe subscription tiers for GPT-Prompter itself on the main pages reviewed, and the value proposition is that you pay only for the API usage through OpenAI rather than an extra intermediary fee.
GPT-Prompter pros
- Works directly from any webpage
- Uses your own OpenAI API key
- Supports GPT-3.5, GPT-4, and ChatGPT API
- Includes pre-made customizable prompts
- Supports custom prompt templates
- Uses a #TEXT# placeholder for selected text
- Context menu integration
- Quick access without opening OpenAI’s website
- Playground-like interface for fast prompting
- Helps process selected webpage text
- Open source project
- Available in Chrome Web Store
- Available as a Firefox add-on
- Can save time on repetitive GPT tasks
- Supports Whisper models
- Designed for lower-cost direct API usage
- Does not require intermediaries
- Suitable for prompt-based browser workflows
GPT-Prompter cons
- Requires an OpenAI API key
- API usage is not free
- Depends on OpenAI billing and quota status
- Needs page reloads after first install in some cases
- Some sites may block the content script
- Context menu may appear inactive on certain pages
- Best features rely on selecting text first
- Primarily tied to the Chrome-style browser extension model
Frequently asked questions about GPT-Prompter
What is GPT-Prompter?
GPT-Prompter is a browser extension for Chrome that lets you send prompts to GPT-3, GPT-4, and the ChatGPT API directly from webpages. It is built to avoid having to open the OpenAI website and to make prompt-driven tasks faster inside the browser.
How do I use GPT-Prompter?
You install the extension, click the extension icon, and enter your OpenAI API key. After that, you can optionally select text on a webpage, open the right-click context menu, choose GPT-Prompter, and send the text into a prompt.
Does GPT-Prompter work with selected text?
Yes. The website says you can select text on a webpage and use that selected content in a custom prompt. It also supports a #TEXT# placeholder that gets replaced with the selected page text.
Is GPT-Prompter free?
The extension itself is free, but the OpenAI API usage behind it is not free. You need your own OpenAI API key, and if your free credit is exhausted or your billing is not active, OpenAI may return an insufficient quota error.
What models does GPT-Prompter support?
The website says it supports GPT-3, GPT-4, and the ChatGPT API, and another page mentions that GPT-4 and Whisper models are available. The core idea is direct use of OpenAI models from the browser.
Can I create my own prompts?
Yes. GPT-Prompter includes pre-made customizable prompts and conversations, and you can customize prompts yourself. The website specifically mentions using a #TEXT# placeholder so your prompt can incorporate the text you selected.
Why does the extension ask me to reload the page?
The FAQ says reloading the page often fixes cases where the context-menu option is visible but not active. This can happen after an extension update or on pages where the required content script needs to run again.
Why doesn’t GPT-Prompter work on some pages?
The FAQ notes that some websites, such as the Chrome Web Store, do not run the content script by design. In those cases the extension may appear in the menu but not function on that page.
Where do I get the API key?
The Chrome Web Store listing and the extension instructions say you use your own API key from OpenAI. The site directs users to OpenAI for the key and states that the extension never has access to it beyond being stored in the browser profile.
Is GPT-Prompter open source?
Yes. The website and store listing point to a GitHub repository, indicating that the project is open source. That makes it easier to inspect how the extension works and to build it locally if needed.