GPT Assistant
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Introduction
ChatSider is a free Chrome extension that brings ChatGPT-powered writing, translation, and reading assistance to any website.
Listed on
July 23, 2026
What is GPT Assistant?
ChatSider is a browser extension that integrates ChatGPT into your browsing experience. It provides a sidebar and quick lookup tools to help with writing, translation, summarization, and more, without requiring you to log into a ChatGPT account.
How to use GPT Assistant?
- Install the extension from the Chrome Web Store, then click the ChatSider icon in your browser toolbar to open the sidebar. You can select text on any webpage to access quick definitions, translations, or grammar checks, and use customizable prompts for writing assistance.
Core features of GPT Assistant
- ChatGPT Sidebar with translator, dictionary, grammar check, and customizable prompts
- Quick Lookup Window for selected text definitions
- One-click writing, translation, summarization, rewriting, and explanation
- Works on any website without logging into ChatGPT
- Fast performance comparable to ChatGPT Plus
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