Uncensored AI

No filters. No limits. Bring any idea to life

AI chat interface on laptop with user asking a question in Sigma browser

Benefits of using Uncensored AI

AI chat input field with user typing a question about political topic

Unfiltered AI

Ask anything and get direct answers without unnecessary limitations

AI writing assistant showing content format options like short story and essay

Empower creativity

Generate any type of text on any topic - unrestricted and without creative limits

Private browsing mode icon representing anonymous and secure browsing

Local by design

Everything runs locally on your device, so you don’t have to worry about your data being stored or leaked

Sigma’s Uncensored AI Features

File uploading

Upload files of any nature and explore their content freely - with full context and no limitations

Multilingual support

Generate and analyze content across multiple languages while maintaining depth and unrestricted expression

No internet required

Everything runs locally on your device, ensuring your data never physically leaves your device

Page summarizer

Summarize any webpage and ask direct, unfiltered questions about its content - even on complex or uncomfortable topics

How to use Uncencored AI chat

Download button click interaction in desktop app interface

Download Sigma Browser

Askanything and get direct answers without unnecessary limitations

1

App icon with cursor hover in modern browser interface

Open the browser

Launch the app and follow the steps

2

Sign in buttons with Google and Apple authentication options

Log in with your account

Click theLog in with Google or Apple button on the sign-in page

3

App downloading progress screen with loading bar and status

Download Sigma Eclipse

Install our local LLM on your device

4

Uncensored AI model selection button in interface

Install uncensored model

Choose uncensored model in Eclipse settings

5

Clicking AI assistant icon in browser toolbar interface

Open Eclipse extension

Click the button on the top right part

6

Download Sigma Eclipse

Download Browser

Why choose Sigma Browser?

No data collection

Sigma Browser never gathers your data. Your prompts stay on your device only

Multiplatform support

Sigma Browser can be installed on iOS, Android, Windows and MacOS

User-friendly platform

Intuitive design that feels familiar from the first click

GDPR & CCPA compliant

Sigma Browser complies with GDPR & CCPA, ensuring your data follows privacy laws

Built-in AI Agent

An integrated AI agent that can execute tasks, analyze information, and act on your behalf

Free private browser

Sigma is a free browser built with privacy at its core - no tracking, no hidden data collection

Learn more in our blog

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Chrome alternatives comparison with popular web browser logos in 2026

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A comparison of the best Chrome alternatives for privacy, productivity, multitasking, and AI workflows in 2026.

Set Chrome as default browser on any device illustration with Sigma branding

How to Make Google Chrome Your Default Browser on Windows, Mac, iOS & Android

Learn how to make Google Chrome your default browser on any device. Quick guide for Windows, macOS, iOS, and Android

FAQ