AI prompt engineering tools

Tools for creating and engineering prompts for large language models. Free forever, and all data stored in your browser locally.

Prompt engineering tool

Edit prompts for GPT, Claude, Gemini etc. Users can include dynamic values in the prompts. Version changes as you engineer better prompts.

Zero shot prompting

Write great prompts for LLMs with a tool designed for zero shot prompting - no more starting many chats to workaround context issues.

One shot prompting

Create and test prompts that rely on one example. Feed examples from any dataset you have, treating each record as a single example.

Few shot prompting

Engineer large language model prompts that sees 2-5 examples from a dataset.

Create CSV with ChatGPT

Create a CSV file for free online using ChatGPT's AI models, simply write a prompt to create the data, then download it in CSV format.

Create JSON with ChatGPT

This is a free tool that you can use to create JSON files with any LLM from OpenAI, like GPT-4o, writing any prompt to create the data. Bring your own API key.

Create Markdown with ChatGPT

Create a Markdown file with an LLM from OpenAI, like o1, writing any prompt to create the document. Bring your own API key. Perfect for creating short descriptions.

Create CSV with Claude

Create a CSV file for free online using Claude's AI models, simply write a prompt to create the data, then download it in CSV format.

Create JSON with Claude

This is a free tool that you can use to create JSON files with any LLM from Anthropic, like Claude, writing any prompt to create the data. Bring your own API key. Perfect for creating test or dummy data.

Create Markdown with Claude

Create a Markdown file with an LLM from Anthropic, like Claude, writing any prompt to create the document. Bring your own API key. Perfect for creating short descriptions.

Create CSV with Mistral

Create a CSV file for free online using Mistral's AI models, simply write a prompt to create the data, then download it in CSV format.

Create JSON with Mistral

This is a free tool that you can use to create JSON files with any LLM from Mistral, writing any prompt to create the data. Bring your own API key. Perfect for creating test or dummy data.

Create Markdown with Mistral

Create a Markdown file with an LLM from Mistral, writing any prompt to create the document. Bring your own API key. Perfect for creating short descriptions.