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Home/Alternatives/Sider

Best Sider Alternatives

Sider: AI browser extension that reads, writes, and creates across any webpage with integrated models like ChatGPT, Claude, and Gemini. Below are the tools in our catalog that cover the same features, grouped by the job they replace, with pricing side by side.

11 alternatives8 with a free planSider details →

AI-powered webpage assistance

Replaces Sider for: Provides reading and writing assistance on any webpage · Enables AI-driven chat support directly on webpages · Available as a free browser extension for Chrome and Edge

MaxAI icon

MaxAI

Chatbots & Assistants, AI Search Engines
, Productivity Tools
, Writing Assistants

Browser extension AI assistant for in-page summarization, translation, drafting, and cited web search.

Paid
813K visits/mo-6.6%#46 Chatbots & Assistants
AI Chatting icon

AI Chatting

Chatbots & Assistants, AI Chatbots, Writing Assistants

A no-setup web chat for quick answers, writing help, character role-playing, and image analysis using GPT-4o models.

Freemium
420K visits/mo+2.4%#80 Chatbots & Assistants
MaxAI.me icon

MaxAI.me

Chatbots & Assistants, Personal Assistants, Productivity Tools

Revolutionize productivity with 1-Click AI: Chat, summarize, translate, and visualize effortlessly.

Paid
9.5K visits/mo-33.9%#441 Chatbots & Assistants
ChatGPT Sidebar Chrome Extension icon

ChatGPT Sidebar Chrome Extension

Chatbots & Assistants, Customer Support, Task Automation

Automate customer support, access ChatGPT platform in-browser, and effortlessly handle multiple conversations.

Free
— visits/moTraffic data coming soon

Multi-model AI chat & insights

Replaces Sider for: Integrates ChatGPT 3.5/4, Claude 3, and Gemini 1.5 Pro for versatile AI support · Consolidates responses from multiple AI models for diverse insights

Lorka AI icon

Lorka AI

Chatbots & Assistants, AI Search Engines, AI Chatbots

Chat with many top models for everyday tasks.

Paid
1.2M visits/mo+24.4%#36 Chatbots & Assistants
Nova AI App icon

Nova AI App

Chatbots & Assistants, AI Chatbots, Research Assistants, Writing Assistants

Get answers, writing help, and plans across devices with Nova AI App.

Freemium
593K visits/mo+20.6%#57 Chatbots & Assistants
Zemith icon

Zemith

Productivity & Office, Productivity Tools, Team Collaboration

Unified AI workspace combining chat, writing, coding, and productivity tools for streamlined workflows.

Freemium
364K visits/mo-17.9%#87 Productivity & Office

Document & file interaction

Replaces Sider for: Supports chats with links, images, PDFs, and other GPTs · Offers an integrated image tool and PDF reader

Box icon

Box

Productivity & Office, PDF & Document Chat, Document Management, Writing Assistants

Summarizes, extracts, and rewrites content from files.

Freemium
89M visits/mo+8.7%#2 Productivity & Office
UPDF icon

UPDF

Productivity & Office, PDF & Document Chat, Note Taking, Productivity Tools

AI-powered PDF editor with built-in agents for summarization, translation, and document analysis.

Freemium
1.1M visits/mo+7.1%#43 Productivity & Office
LightPDF AI icon

LightPDF AI

Writing & Content, Summarizers, Research Assistants

Quickly summarize documents, identify key themes, and analyze for insights.

Freemium
— visits/moTraffic data coming soon
PDFgear Chatbot icon

PDFgear Chatbot

Productivity & Office, PDF & Document Chat, Document Management, Productivity Tools, AI Chatbots

Convert, edit, and sign PDFs with ease—securely and efficiently, all in one place.

Free
— visits/moTraffic data coming soon

Sider vs. alternatives at a glance

ToolPricingMonthly visitsCompare
SiderFreemium, from $10/m3M
MaxAIPaid, from $12813KCompare
AI ChattingFreemium, from Free420KCompare
MaxAI.mePaid, from $199.5KCompare
ChatGPT Sidebar Chrome ExtensionFree—Compare
Lorka AIPaid, from $29.99/m1.2MCompare
Nova AI AppFreemium, from $1593KCompare
ZemithFreemium, from $9.99364KCompare
BoxFreemium, from $189MCompare
UPDFFreemium, from $39.991.1MCompare
LightPDF AIFreemium, from Free—Compare
PDFgear ChatbotFree, from Free—Compare

Questions

What is the best alternative to Sider?
MaxAI is the top pick in our catalog, followed by AI Chatting and MaxAI.me. Picks are based on the features each listing describes.
Is there a free alternative to Sider?
Yes. ChatGPT Sidebar Chrome Extension and PDFgear Chatbot are completely free. 6 more offer a free plan.
Which Sider alternative is the most popular?
Box, with about 89M visits a month — the highest measured traffic among the tools on this page.
How are these alternatives chosen?
We compare what each tool in our catalog says it does against Sider's own feature list — category is ignored, so a tool filed elsewhere can still qualify. Matches are grouped by the job they replace. Nobody pays to appear here.

Compare their alternatives too

All alternatives →
MaxAI alternativesAI Search Engines · 11 alternativesLorka AI alternativesAI Search Engines · 8 alternativesNova AI App alternativesAI Chatbots · 9 alternativesZemith alternativesProductivity Tools · 7 alternativesBox alternativesPDF & Document Chat · 9 alternativesUPDF alternativesPDF & Document Chat · 8 alternatives