Sider.AI

AI sidebar and agent for the browser with 10M+ users.

Freemium Productivity

What is Sider.AI?

Sider.AI puts an AI sidebar in Chrome and Edge that chats across GPT, Claude, Gemini, DeepSeek and Grok. Its newer Hand agent automates multi-step web tasks using your logged-in sessions. With over 10 million users and Chrome Editors' Picks, it is one of the biggest AI browser extensions.

Key features

  • Multi-LLM sidebar chat
  • Group chat across AI models
  • Sider Hand browser agent
  • Document and video summarization

Pros

  • Massive user base
  • Chrome Editors' Pick
  • Agentic task automation

Cons

  • Free tier has daily limits
  • Browser-only experience

Sider.AI at a glance

PricingFreemium
CategoryProductivity
Platformschrome-extension, web
CompanySider
Official websitesider.ai
browser extensionai sidebarmulti-modelai agent

How to choose the right Productivity tool

When choosing a productivity tool, look first at how it fits the way you already work. The best tools connect with the apps you use every day — email, calendar, documents and chat — instead of becoming one more place to check. Automation matters most where work repeats: summaries, reminders, scheduling and turning notes into tasks are where AI genuinely saves time. Check whether the free tier covers your real usage, how the tool handles your data and privacy, and whether it works on the platforms you live on — web, desktop and mobile. A slightly less powerful tool that your whole team actually adopts beats a feature-rich one nobody opens.

Compare all Productivity tools →

Sider.AI FAQs

What is Sider.AI?

Sider.AI puts an AI sidebar in Chrome and Edge that chats across GPT, Claude, Gemini, DeepSeek and Grok. Its newer Hand agent automates multi-step web tasks using your logged-in sessions. With over 10 million users and Chrome Editors' Picks, it is one of the biggest AI browser extensions.

What are the main features of Sider.AI?

Sider.AI offers Multi-LLM sidebar chat, Group chat across AI models, Sider Hand browser agent and Document and video summarization.

How much does Sider.AI cost?

Sider.AI follows a freemium model: a free tier is available, and paid plans unlock higher limits and advanced features. Check its official website for current plan prices.

What are the pros and cons of Sider.AI?

Strengths of Sider.AI include Massive user base; Chrome Editors' Pick; Agentic task automation. On the downside, Free tier has daily limits; Browser-only experience.