Use Your Own API Key With the Jetwriter AI Extension
Power your AI writing assistant with your own OpenAI, Google Gemini, or Anthropic Claude API key.
Stop Switching Tabs.
Why Use Your Own Key?
Flexibility and Control
No Subscription Needed
Skip the monthly plan. Pay your AI provider directly based on your actual usage.
Choose Your Provider
Switch between OpenAI, Google Gemini, and Anthropic Claude. Use whichever model fits your needs.
Switch Back Anytime
Using your own key is optional. You can switch back to Jetwriter's built-in AI usage whenever you want.
How to Add Your API Key in Seconds
Create a Free Account
Open Extension Settings
Enable "Use Your Own API Key"
Enter Your API Key
Save and Start Using

Where to Get Your API Key
Anthropic Claude
Log in to your Anthropic console, navigate to Settings, and create an API key.
Get API KeyNote: You will need to add a payment method on your AI provider's website. Your card will be charged based on your usage.
Your API Key Stays With You
Stored Locally
Your API key is stored locally in your browser and is never saved on Jetwriter's servers.
Used Only for Responses
The key is used only to generate responses — nothing else.
Trusted Globally by Individuals & Businesses
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Users
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5-Star Reviews
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Companies
Lara
Efficient and user-friendly. Committed to quality and functionality. Prompt responses and continuous upgrades. Highly recommended.
Benoit
Excellent extension which reliably provides me with the comprehensive assistance I need in French as well as in English.
Joshua
A responsive and reliable writing assistant that adds significant value to my work. Keep up the great work and training!
Rana
A great tool that made my life much easier. No need to visit multiple sites for rephrasing or spell-checking emails. Very efficient and convenient.
Jing
Amazed by its capabilities and assistance. The Jetwriter AI Extension revolutionized my writing tasks with outstanding, relevant responses.
Sam
Great for notes, essays, legal documents, and more. Helped with legal issues and affidavits. Highly recommend for emails and documents.
Get Started
Write more, switch tabs less — now with your own API key in Jetwriter AI.