Get Lightfern for Chrome

Install the Lightfern extension to start writing emails at the speed of thought with intelligent autocomplete powered by AI.

Download for Chrome

How to install

1

Install the extension

Click the button above to add Lightfern to Chrome. Installation takes just a few seconds.

2

Sign in to your account

After installation, sign in with your Lightfern account to activate the extension.

3

Start writing

Open your web email client and start composing. Lightfern suggests completions as you type, helping you write faster.

What you'll get

Adaptive autocomplete

Learns your writing style and tone to suggest completions that sound like you.

Context-aware suggestions

Draws on your email history and the current thread to craft relevant responses.

Privacy-first design

Your data stays secure and private — never used for training or shared with third parties.