Select what matters
Highlight a phrase, paragraph, or idea on any webpage.
AI assistance, without leaving the page
Understand anything
as you read.
Select any text to explain, translate, summarize, search, or explore it with ChatGPT—right where you found it.
Free to install Uses your ChatGPT account
BEHAVIOR & DESIGN
The currency of focus
We live in an age of abundant information. Every screen offers something new to see, read, or watch.
The attention economy treats human attention as a scarce and valuable resource. Products compete to capture it, measure it, and hold it.
Read without detoursAnswers stay with your page
ArticlesResearchDocsNewslettersReports
HOW IT WORKS
From confusion to clarity
in one small step.
Choose what you need
Explain, translate, summarize, search, or create a mind map.
Keep the context
Read the answer in place, then ask follow-up questions in the sidebar.
MADE FOR DEEPER READING
Your reading flow,
uninterrupted.
Sider brings ChatGPT to the content, not the other way around. No copying, tab switching, or lost context.
Works across the web
Use Sider on articles, documentation, research, and nearly any page you read.
Page-aware sidebar
Attach selected text or the current page and continue the conversation.
More ways to understand
Turn dense ideas into clear explanations, translations, summaries, and maps.
Your account, your access
Sider uses your existing ChatGPT login. Models and usage limits come from your ChatGPT plan.
Stay curious.
Keep reading.
Add Sider to Edge and get help wherever the web takes you.
Developer-mode install · Requires your own ChatGPT login