Sider
Sider offers an all-in-one AI assistant for your browser, enabling chat, writing, reading, translation, and research with top models like GPT-5 and Claude 4.
Updated October 7, 2026
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Sider Black Friday 2026
Does Sider have a Black Friday sale in 2026?
Sider hasn't released Black Friday 2026 offers on Shopperazzi yet. Black Friday is Friday, November 27 and Cyber Monday is Monday, November 30. Many shops start their sales in the week or two before. Follow Sider and its Black Friday offers show in My feed when we add them.
Is it really a Black Friday price? Open any Sider product to see the lowest price we've tracked for it, so you can tell a real Black Friday price from a normal one.
No live Sider deals in the United States right now
We check daily — follow Sider to catch the next one. Store info and FAQs below.
About Sider
Sider is a leading-edge AI assistant designed to integrate directly into your web browser, offering an unparalleled suite of tools to enhance your online experience. Developed to be your ultimate digital sidekick, Sider brings the power of advanced artificial intelligence, including access to top models like GPT-5, Claude 4, Gemini 2.5, and Grok 4, right to your desktop. It's built for efficiency, helping users to chat, write, read, translate, and research with remarkable ease and speed.
Key Features & Benefits
Comprehensive AI Chat & Content Creation
With Sider, you can engage with multiple sophisticated AI models from a single, convenient side panel. This allows for seamless switching between models, enabling you to compare answers and maintain context effortlessly. Beyond chat, Sider empowers you to become a content creator, assisting in the generation of AI presentations, websites, and even images, making complex creative tasks accessible to everyone. Whether you're drafting a report or designing a visual, Sider is your go-to AI tool.
Smart Summarisation, Translation & Research Tools
Boost your productivity with Sider's intelligent information processing capabilities. Instantly summarize lengthy webpages or YouTube videos to get the core message in seconds. The 'Explain highlighted text' feature provides immediate clarity on complex passages without disrupting your flow. For global users, Sider offers robust translation services in over 50 languages, complete with a bilingual view that preserves original formatting. Dive deeper into documents and files with advanced reading tools, extracting data and clarifying logic fast.
Your Personalized AI Knowledge Base: Wisebase
A standout feature of Sider is Wisebase, your dedicated AI knowledge base. This powerful tool allows you to store and organize all your AI chats, clips, sources, and reports in a searchable library that grows with your browsing. Query across saved PDFs, webpages, and notes, with answers intelligently grounded in your original sources. Wisebase helps you capture decisions, action items, and even convert documents into presentation-ready slides, ensuring all your valuable insights are kept in one accessible place.
Sustainability at Sider
Polar is committed to sustainability, focusing on environmental responsibility, timeless design, responsible sourcing, long-lasting products, recycling, and ethical manufacturing practices.
Sider FAQs
Does Sider support synchronisation of chat history across multiple devices?
Yes, Sider currently offers automatic synchronisation of chat history across multiple devices, allowing you to continue your conversations seamlessly.
How do I use web access features in Sider chats?
Sider allows you to use web access in chats to provide more current and relevant information. Specific instructions on enabling and utilising this feature can typically be found in the 'Feature Guides' section of the Sider Help Center.
Can I use Sider's AI models to generate images?
Yes, Sider includes a 'painter' feature that enables AI models to generate images directly within your chats. Look for options related to image generation or the 'painter' tool in the chat interface.
What file formats are supported for uploading in the Sider chat interface?
Sider supports various file formats for uploading in the chat interface to facilitate deep reading and analysis. While specific formats are not listed here, common document types like PDFs are generally supported. Please refer to the Sider Help Center for a comprehensive list.
How do I update the Sider extension to the newest version?
Sider extensions typically update automatically. However, if you need to manually update, you can usually do so through your browser's extension management page. Instructions are available in the Sider Help Center.