Side Reader
Chrome extension that reads and chats with PDFs beside ChatGPT, Claude, and DeepSeek
Introduction
Side Reader is a Chrome extension that opens PDFs in a sidebar next to ChatGPT, Claude, and DeepSeek. You can summarize, translate, or explain a document while chatting with those assistants. The free version limits daily uploads, and Pro raises the limits and adds features.
- Added on
- Nov 2, 2026
- Website
- www.side-reader.com
- Pricing model
- Freemium
- Company
- Side Reader
Product information
What is Side Reader?
Side Reader is a Chrome extension that brings PDF reading and AI chat into the ChatGPT, Claude, and DeepSeek websites.
How to use Side Reader?
Install the Chrome extension, upload a PDF, and interact with it alongside the supported assistants.
Core features of Side Reader
- Read PDFs in the sidebar on ChatGPT, Claude, and DeepSeek
- Summarize, translate, and explain PDFs
- Adjustable split-screen width
- PDF zoom
- Capture and ask on the Pro plan
Use cases of Side Reader
- 1Reading research papers alongside ChatGPT
- 2Translating legal documents in Claude
- 3Explaining technical manuals with DeepSeek
Frequently asked questions about Side Reader
What is Side Reader?+
Side Reader is a Chrome extension that lets you read and chat with PDFs in a sidebar on ChatGPT, Claude, and DeepSeek.
What are the limits of the free version of Side Reader?+
The free version allows 3 PDF uploads per day, with a maximum file size of 10MB.
What does Side Reader Pro include?+
Pro allows 50 uploads per day and files up to 50MB, plus Capture and Ask and the last 100 upload records, according to the product information.
Which category is Side Reader in?+
Side Reader is listed under AI PDF Tools.