Sider AI WW

Sider is a browser-based AI copilot that lives in a sidebar on any webpage. It lets you chat with advanced AI models, summarize pages and videos, translate or rewrite text, and generate content without leaving the site you’re on

It’s best known as a Chrome extension (also works on Edge). There’s also a web app; mobile or desktop apps are less central to the product

• Chat with top AI models, including GPT-5, Claude, Gemini, Grok, DeepSeek, etc.
• Summarize web pages/PDFs/images/audio/YouTube
• Translate/rewrite/grammar‑fix
• OCR screenshots
• Code explain
• Agents: deep research, slides maker, web creator, etc.

Recognitions:

• Top 30 OpenAI partner
• 2025 Chrome Editor’s Pick
• 10M+ active users
• 4.9/5 rating

Core capabilities:

• Chat with top AI models, including GPT-5, Claude, Gemini, Grok, DeepSeek, etc.

• Select text to get one‑click actions: summarize, explain, translate, rewrite, check grammar/tone, and create replies.
• Summarize long articles, research pages, PDFs, and other documents.
• YouTube/video summarization with key points and timestamps when available.
• Explain code snippets.
• Option to search the web and return answers with citations.
• Translate selected text inline, webpages, documents, or YouTube videos.
• Extract text from images, then ask questions about that content.
• Generate and edit images.
• Create slides, webpage, etc.
• Agent