Generate content, correct spelling, suggest synonyms to enhance writing.
173M visits/mo+0.1%#1 Productivity & Office
Sider
AI browser extension that reads, writes, and creates across any webpage with integrated models like ChatGPT, Claude, and Gemini.
$10/mStarting price
3MMonthly visits
58Popularity
About Sider
Sider is an AI-powered browser extension designed to enhance how users interact with content on the web by providing real-time assistance for reading, writing, and creative tasks directly within any webpage. It integrates leading AI models such as ChatGPT 3.5/4, Claude 3, and Gemini 1.5 Pro, enabling users to leverage advanced AI capabilities without leaving their browser. The tool supports a wide range of file types, including links, images, PDFs, and other GPTs, making it versatile for tasks like article drafting, idea generation, and document analysis. Sider positions itself as a one-stop AI assistant, offering features like AI-driven chat support, an integrated image tool, and a PDF reader, all aimed at streamlining workflows for professionals, students, and content creators. Its accessibility is further emphasized by a free tier and a user-friendly interface, ensuring that advanced AI tools are available to a broad audience. While initially limited to Chrome and Edge, Sider is expanding its platform support to include iOS, Android, Mac OS, and Windows apps, broadening its usability across different devices and environments.
Key features
- Integrates ChatGPT 3.5/4, Claude 3, and Gemini 1.5 Pro for versatile AI support
- Provides reading and writing assistance on any webpage
- Supports chats with links, images, PDFs, and other GPTs
- Offers an integrated image tool and PDF reader
- Enables AI-driven chat support directly on webpages
- Consolidates responses from multiple AI models for diverse insights
- Available as a free browser extension for Chrome and Edge
- User-friendly interface designed for accessibility and ease of use
Use cases
- Content creators using Sider to generate ideas and refine articles
- Design professionals expediting creative workflows with AI assistance
- Students and researchers leveraging Sider for efficient study and documentation
Pros
- Integrates multiple leading AI models (ChatGPT 3.5/4, Claude 3, Gemini 1.5 Pro) within a single browser extension
- Supports diverse file types including links, images, PDFs, and other GPTs for versatile content interaction
- Offers real-time AI assistance for reading, writing, and creative tasks directly on webpages
- Provides a free tier with accessibility for a broad audience
- Expanding platform support to include iOS, Android, Mac OS, and Windows apps
Cons
- Initially limited to Chrome and Edge browsers, though platform support is expanding
- Dependent on third-party AI models, which may introduce variability in performance and availability
Frequently asked questions about Sider
What is Sider and what does it do?
Sider is an AI-powered browser extension that provides real-time assistance for reading, writing, and creative tasks directly within any webpage. It integrates multiple leading AI models to enhance how users interact with web content.
Who is Sider designed for?
Sider is designed for professionals, students, and content creators who need advanced AI assistance while browsing the web. It is particularly useful for tasks like article drafting, idea generation, and document analysis.
Does Sider offer a free tier?
Yes, Sider offers a free tier, making advanced AI tools accessible to a broad audience without requiring a subscription.
What file types does Sider support?
Sider supports a wide range of file types, including links, images, PDFs, and other GPTs, enabling versatile content interaction and analysis.
How do I get started with Sider?
To get started with Sider, users can add the extension to their Chrome or Edge browser from the official website. The tool is designed to be user-friendly, allowing users to begin leveraging AI assistance immediately.
Can Sider be used on mobile devices or other operating systems?
Sider is expanding its platform support to include iOS, Android, Mac OS, and Windows apps, broadening its usability across different devices and environments beyond just web browsers.
Sider traffic & engagement
sider.ai · third-party estimates from Similarweb
Data as of Sep 2026Full AI website ranking →
Monthly visits · Sep 20263M-3.1% MoM12-month high 3.1M (Aug 2026)
Rank among AI websites#233▼ 10 vs last monthof 8,652 tools on aitoolnavio™
Top marketUnited States12.8%Top 5 countries bring 42% of visits
Average visit1m 43sLonger than 73% of AI sites
Pages per visit2.3More than 66% of AI sites
Bounce rate55%Leave after one page · lower is better
Similarweb global rank#21,830#27,436 in United States
Traffic trend
Last 4 months · grows by one month every month
- Jun 20263M
- Jul 20263M−1.8%
- Aug 20263.1M+3.4%
- Sep 20263M−3.1%
Top countries
Share of visits · estimated visits
Other countries: 57.9%
Visits sent by AI assistants
How people reach this site from other AI tools
102K a month · 3.5% of all visits
Compared with similar tools
Productivity & Office · Sep 2026
Traffic figures are third-party estimates, good for scale and trends; they can differ from a company's own numbers. Updated monthly.
