sider

sider

Sider is a browser AI sidebar and agent that brings multiple large language models and automation tools directly into the browser to summarize, analyze, automate, and customize web content for productivity and research workflows.

sider is ai agents software teams evaluate for ai agents. Use this page to review pricing, integration signals, and the best alternatives before you commit.

Pricing not listed
#550 in AI Agents (550 tools)
Just launched
Data reviewed Sep 26, 2026

Profile facts come from the vendor source. AiMatch labels unknown pricing or API details instead of estimating them.

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Quick Overview

Best for: AI Agents

What it does

AI Agents software for decision-makers comparing workflow fit and alternatives.

Best fit

AI Agents

Pricing snapshot

Pricing available on request

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sider

Sider is an AI sidebar and browser agent that embeds model-powered features directly into web pages to help users summarize, translate, explain, research, automate, and customize content. The product exposes three primary capabilities: Sider Chat for interactive summarization and Q&A across web pages, PDFs and videos; Sider Hand to run hands-free, multi-step automations that can operate on real websites using the user's logged-in sessions; and Sider Code to make live visual and content changes to webpages and remember those customizations. Sider is distributed as browser extensions and apps across desktop and mobile and advertises a free account that works across devices.

AI assistant integrating ChatGPT, Claude, and Gemini for reading, writing, and more on any webpage.

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Key Features

Sider Chat

Summarize, explain, translate, and answer follow-up questions about web pages, PDFs, and videos using multiple AI models (e.g., GPT, Claude, Gemini).

Sider Hand (Automation)

Run hands-free, multi-step tasks across real websites that use your logged-in sessions and turn multi-step work into usable results.

Sider Code (Customize)

Edit, restyle, simplify, and save changes to any website in real time using plain-language instructions; changes are remembered for future visits.

Model Aggregation & Switching

Access and choose among multiple AI models from the sidebar (examples shown include GPT, Claude, Gemini and other listed models).

Cross-platform Extension & Apps

Available as a browser extension and apps for Chrome, Edge, macOS, Windows, iOS and Android with a single account across devices.

Web, PDF and Video Content Support

Designed to summarize and extract information from web pages, PDFs and YouTube videos directly within the browser.

Pricing

Free Tier Available

Get Sider for Free (free account available; additional pricing details referenced on the site's Pricing page)

Use Cases

Quick content summarization

Summarize articles, PDFs, and videos in-line on the page to save reading time and extract key points.

Research and comparison

Compare product listings and prices across multiple sites and gather organized findings (example flows shown for Amazon, Best Buy, eBay).

Automating repetitive web tasks

Use Sider Hand to automate multi-step workflows across sites while leveraging logged-in sessions to complete tasks hands-free.

On-page customization

Use Sider Code to restyle or simplify pages, make edits, and persist those changes for future visits.

Multilingual assistance

Translate page content and PDFs or extract translated text directly within the sidebar.

Integrations

OpenAI / ChatGPT (third‑party models)

Allows using GPT-family models within the Sider sidebar (page references direct access to GPT models).

Anthropic / Claude

Supports accessing Claude models from the sidebar for summarization and Q&A.

Google Gemini

Offers Gemini as a selectable model option inside the Sider interface.

Benefits

Centralizes multiple AI models and tools in one browser sidebar for faster access and experimentation.
Speeds research and content consumption by summarizing and extracting key information from diverse content types.
Automates repetitive, multi-step tasks on websites using logged-in sessions to save time.
Allows real-time customization of web pages and persistence of user-made changes.
Cross-device availability with a single account and free access to get started.

Limitations

Requires installing a browser extension or app (calls out "Add to Chrome" and platform downloads).
Some automation features require the extension to operate using your logged-in sessions on target sites ("uses your logged-in sessions").

Frequently Asked Questions

No verified FAQs are available.

Getting Started

  1. 1 Step 1: Install the Sider extension or app (e.g., click 'Add to Chrome' or download for Edge/macOS/Windows/iOS/Android).
  2. 2 Step 2: Sign up or log in to your Sider account so settings and customizations sync across devices.
  3. 3 Step 3: Open the Sider sidebar on any page and choose Sider Chat, Sider Hand, or Sider Code to begin summarizing, automating, or customizing content.

Support

Help Center

The site lists a 'Help Center' for documentation and user assistance.

Contact (email/form)

'Contact Us' page is available from the site for direct inquiries.

Community & Blog

Site links include 'Community' and 'Blog' for updates, usage tips, and announcements.

API

Available: No

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