Browser tool

AI Chat Window

Client-side AI prompt workbench with system-prompt history, streaming output, markdown rendering, and copy-ready responses.

Active Updated Feb 22, 2026

What it does

AI Chat Window is a browser-based prompt runner for AI models. It supports an optional system instruction, streaming response output, markdown rendering, and local prompt history for fast iteration.

How to use it

Open: https://preview.tedt.org/tools/ai-chat-window.html
Enter an optional System Prompt and your Content prompt.
Pick or type a model id.
Click Submit (or use Ctrl/⌘+Enter).
Copy the generated response using Copy to clipboard.

Notes

API keys are stored in browser local storage and sent directly to the selected provider.
No server-side processing is performed by this site for prompt generation.
Streaming output is incremental; errors appear inline below controls.
Monitor panel logs request URL, sanitized headers, payload, response status, and stream events to debug API behavior (including 429s).

Screenshots