Natural Language In, English Out
Speak naturally in your own language and turn it into clear English in the same field.
AI Writing Assistant with On-Device AI
Write, rewrite, improve and translate text directly inside your browser, with private on-device AI and no subscription.
AI Writing Assistant
Rewrite text directly where you are already working.
Clear Voice Typing
Turn rough speech into cleaner, more readable text before you send it.
Voice Typing and Read Aloud
Use voice when typing or reading slows you down.
Local AI
Ceres uses AI technologies that run locally on your computer whenever possible, unless you choose to connect your own AI provider.
Read Aloud
Have pages read back to you and get the meaning in your own language.
Write with Voice
Speak instead of typing and let Ceres place clean text in the same field.
Custom AI Writing Buttons
Save your repeated writing instructions as reusable buttons and run them in one click.
Save your best prompts
Turn your repeated writing instructions into buttons you can keep and reuse.
Use them anywhere
Run your own writing action on selected text directly inside the page.
AI Sidebar for Browser Work
Use the current page as context while you read, write, or reply.
AI Sidebar That Reads the Page
Open the sidebar on any tab and ask about the page in front of you.
Complete Article Writing
Generate full-length articles with citations and references using attached context.
Local AI and Your Own Provider
Give Ceres more power by bringing your own AI provider.
We do not resell AI subscriptions. Ceres lets you connect the provider you choose directly.
Bring Your Own Provider
Choose the provider that fits your work.
Direct Connection
Ceres connects to it directly with no extra AI subscription in the middle.
Supported Models
Use on-device AI for fast browser writing actions, or connect the provider you prefer when you need bigger models.
Browser Writing and Reading Tools
Write, read, listen, and use page context without moving the work somewhere else.