Sider

Sider is an AI assistant that integrates ChatGPT, Claude, Gemini, and other AI models, letting you read, write, and more on any webpage. Sider offers one-stop AI services, supporting frontier models such as GPT-5, Claude 4, Gemini 2.5, and Grok 4.

Key features:

• Deep Research agent: AI takes on the heavy lifting of research, intelligently searching and filtering the most relevant sources, auto-highlighting key information, recording insightful notes, and automatically generating detailed reports with citations, plus one-click visual interactive reports
• All-purpose browser research assistant: Research smarter anywhere, with powerful AI tools at your fingertips
• Instantly summarize webpages or YouTube videos: Quickly summarize the content of webpages or YouTube videos
• Explain highlighted text: Get explanations of highlighted text without interrupting your reading flow
• One-click webpage translation: Side-by-side bilingual view, 50+ languages
• Smart reading tools: Dig deeper into webpages and files
• Wisebase knowledge base: Save and organize research reports, web findings, and chats into Wisebase — an ever-evolving knowledge base that knows you better over time
• Upload private files: AI performs deep analysis
• Chat with frontier AI models: Get deeper insights
• Write from notes: Write using your notes
• AI model support: GPT-5, Claude 4, Gemini 2.5, DeepSeek, Grok 4, and more
• AI agents: Deep Research, Scholar Research, AI PPT maker, AI webpage creator, and an AI writing assistant with canvas
• Chatbot features: Compare answers across AI models, data analysis, Artifacts, image generation during chat, chat with webpages, chat with uploaded files/images, deep reading tools
• Image tools: Image generation, model selection for images, background removal, background replacement, region erasing, text removal, partial inpainting, quality enhancement
• Browser integration: One-click page summaries, one-click page translation, YouTube/Bilibili summaries, YouTube/Netflix subtitle translator, select text to instantly summarize/explain/translate/rewrite, link previews, one-click code explainer, input writing enhancement, Q&A site assistant, AI answers in search results, and AI email replies
• Document processing and translation tools: ChatPDF, multi-document analysis, PDF translation, image translation, text translation, Wisebase, and input translation
• Multi-platform support: Chrome, Edge, Mac OS, Windows, iOS, Android

Use cases: Researchers can use Sider for deep and academic research; students can use it for studying and coursework; content creators can use it for writing and content production; businesses can use it for data analysis and document processing; individuals can use it for everyday reading and writing.

Unique strengths: Sider is trusted by more than 10 million users worldwide; it has earned 100,000+ five-star reviews, was a 2023 Chrome favorite, and an editor's recommendation in 2025. It integrates multiple frontier AI models (GPT-5, Claude 4, Gemini 2.5, Grok 4), offers one-stop AI services, supports multiple platforms (Chrome, Edge, Mac OS, Windows, iOS, Android) with one account across all of them, provides a free version so users can try basic features first, and offers discounts on continuous annual subscriptions.