Thank you for downloading Chat Lightning!

You're one step closer to a faster, smarter ChatGPT experience. Let's get you all set up.

How to set up Chat Lightning

Get up and running in seconds. No account, configuration, or extra setup required.

Open Chat GPT

Go to ChatGPT and start any conversation. Chat Lightning activates automatically in the background.

Open the Extension

Click the Chat Lightning icon in your browser toolbar to access performance settings and power-user tools.

Enjoy a Faster ChatGPT

Long conversations load instantly, prompts become smarter, and everything stays private — right on your device.

Everything You Need to Get Started

Explore the features that make Chat Lightning faster, smarter, and completely private.

Faster Long Chats

Open conversations instantly and keep ChatGPT responsive.

Prompt Rewriting

Improve prompts with one click using smart rewrite modes.

Smart Tools

Powerful productivity features built directly into ChatGPT.

Privacy First

No tracking. No accounts. Everything stays on your device.

Document Upload

Bring documents and webpages directly into your prompts.

Prompt History

Recall previous prompts instantly and never lose a great idea again.

Frequently Asked Questions about Chat lightning

Everything you need to know about Chat Lightning, privacy, performance, and how it works.

Do I need an account to use it?
Is any data uploaded to the cloud?
Does Chat Lightning collect telemetry?
Is Chat Lightning affiliated with OpenAI?