GPTs Builder Tool

Create custom GPTs with our intuitive builder. Configure all settings and generate ready-to-use configuration files.

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Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

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AI Web Tool Generator

Build Your Own Custom Web Calculator in Seconds

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About This Tool

Our GPTs Builder is a comprehensive online tool that lets you create custom AI assistants following OpenAI's GPTs specification. Configure the name, description, detailed instructions, conversation starters, upload knowledge base files, and toggle web browsing/code interpreter capabilities. The tool validates all inputs and generates a properly formatted JSON configuration that you can use with compatible platforms. Everything runs client-side for privacy and speed.

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How to Use

Enter a name for your GPT
Write a clear description
Provide detailed instructions for how the GPT should behave
Add conversation starters (comma separated)
Upload knowledge base files if needed
Toggle web browsing and code interpreter capabilities
Click 'Build GPT' to generate your configuration
Download the JSON file or copy the configuration

Frequently Asked Questions

Find Quick Answers

Do I need an OpenAI API key to use this tool?

No, this tool runs entirely client-side in your browser. It generates the configuration file that you can then use with platforms that support GPTs.

What file formats are supported for knowledge base?

You can upload text files (.txt), PDF documents (.pdf), Word documents (.doc, .docx), and Excel files (.xls, .xlsx). The tool will process them as part of your GPT's knowledge base.

Can I edit my GPT configuration after generating it?

Yes, you can copy the generated JSON, make changes manually, or come back to this tool and enter your updated values to generate a new configuration.

Is there a limit to the size of knowledge base files?

The tool handles files up to 10MB each. For optimal performance, we recommend keeping individual files under 5MB.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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