LLM Chat Replay

What is LLM Chat Replay?

LLM Chat Replay is a React application that visually replays LLM chat transcripts with typing animation and playback controls. It works with any markdown chat export that uses the specified format with "Human:" and "Assistant:" markers.

How to use LLM Chat Replay?

Install Node.js v16+ and npm or yarn. Clone the repository, run npm install and npm run dev. Launch the application, drag and drop a properly formatted markdown transcript into the interface, then use the playback controls (play/pause, speed slider 0.5x–4x, and progress bar) to replay the conversation.

Key features of LLM Chat Replay

• Drag-and-drop markdown file upload
• Playback controls (play/pause)
• Speed control (0.5x to 4x)
• Progress bar scrubbing
• Auto-scrolling chat window
• Distinct bubbles for Human and Assistant messages
• Typing animation for Assistant responses
• Automatically extracts and displays conversation title

Use cases of LLM Chat Replay

• Replaying saved AI assistant conversations (e.g., Claude chats)
• Reviewing past chat transcripts with adjustable speed
• Presenting or sharing conversation histories visually
• Analyzing dialogue flow and response times

FAQ from LLM Chat Replay

What format does the transcript need to follow?

The markdown file must have a "# Title" line followed by messages starting with "Human:" and "Assistant:" prefixes exactly as shown in the demo.

What are the system requirements?

Node.js v16+ and npm or yarn are required to run the application.

How do I install and run LLM Chat Replay?

Clone the repository, run npm install, then npm run dev. The application will start on a local dev server.

Can I adjust playback speed?

Yes, speed can be set from 0.5x to 4x using the controls below the chat window.

Is there a pre-prompt for consistent transcript formatting?

Yes. The README provides a pre-prompt you can add to your AI assistant’s settings to ensure transcripts are saved in the correct format with proper markers, backtick formatting, and descriptive filenames.