Sider puts a document assistant beside every page.
Key capabilities
- Chat with PDF.
- Document translation.
- Summaries.
- Writing tools.
- Multiple models.
Who it's for
Sider is a sidebar AI document assistant.
AI Document Assistant · Freemium
Sider
Sider is an AI sidebar that lets you chat with PDFs, summarize and translate documents, and read and write across any webpage using multiple AI models, on browser, desktop and mobile.
- ai document assistant
- sider
- chat with pdf
- ai sidebar
- translate pdf
- summarize
- browser extension
- ai writing
- multiple models
- students
Updated Oct 14, 2026
Pricing Freemium
Rating No reviews yet
Standout Features
What makes Sider stand out
- Sidebar in every tab
- Document translation
- Free to start
Key Features
What’s in the toolkit?
- 01
Chat with PDF
- 02
PDF and document translation
- 03
Summaries
- 04
Writing tools
- 05
Multiple AI models
- 06
Browser extension
- 07
Desktop and mobile apps
What is Sider?
Your AI agent for the browser with ChatGPT, Claude, Gemini and more
- Category
- AI Document Assistant
- Pricing
- Freemium
- Company
- Sider AI
- Platform Access
- 3 features
Use Cases
Where teams put it to work
- 01
Reading PDFs
- 02
Translating documents
Workflow
How to use Sider?
- 01
Install Sider.
- 02
Open a PDF.
- 03
Ask or translate.
- 04
Save results.
Pros & Cons
Is Sider right for you?
Pros
2- Handy sidebar
- Many models
Cons
2- Usage limits
- Pricing varies
Pricing
Pricing for Sider
Freemium
Sider is free to start, with paid plans for more usage and advanced models, plus an Education plan. Check sider.ai/pricing for current prices.
Who is it for
Who is Sider for?
Students.Professionals.
Reviews
Sider Reviews
Real experiences from people who use Sider. Share yours to help others choose the right tool.
0.0/5
No reviews yet
5
0%
4
0%
3
0%
2
0%
1
0%
No reviews yet
Have you used Sider? Be the first to share your experience and help others decide.
Never Miss a New AI Tool
Subscribe to get the latest AI tools, deals, and resources delivered straight to your inbox — no spam, unsubscribe anytime.