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ChatPDF ➜ GPT4 128k Sidebar Chrome Extension

A browser hub bundling 100+ GPT-4 agents and copilots into bar, window or full-screen views.

Checked 5 Oct 2026 Reviewed by Alex Listed since October 2024

Screenshot of ChatPDF ➜ GPT4 128k Sidebar Chrome Extension

At a glance

Starts at Free No paid plan found on the Chrome Web Store, September 2026.
Free tier Yes
Platforms Chrome
Best for Power users wanting many AI agents in one hub
Not for Users in Iran, Afghanistan, North Korea or mainland China email accounts

3.4 out of 5

Scored by Alex after real use

Our verdict

Boss Hub packs more than 100 GPT-4 powered agents and copilots into one browser plugin, switchable between a bar, a window or a full-screen layout. It draws on GPT-4, ChatGPT and Microsoft Azure AI alongside its own add-ons. Access is not supported in Iran, Afghanistan or North Korea, and mainland China email providers like QQ and 163 aren't supported either.

✓What it does well

Many built-in agentsBundles over 100 GPT-4 agents and copilots in one hub.
Flexible display modesSwitches between bar, window and full-screen layouts.
Multiple AI backendsDraws on GPT-4, ChatGPT and Microsoft Azure AI together.

✕Where it falls short

Regional restrictionsDoes not support access from Iran, Afghanistan or North Korea.
Email restrictionsDoes not support mainland China email providers like QQ or 163.
Mixed ratingsAverages only 3.4 out of 5 across its ratings.

Key features

Multi-agent hubHosts 100+ AI agents and copilots in one place.
Multiple AI modelsRuns on GPT-4, ChatGPT and Microsoft Azure AI.
Add-on ecosystemIncludes 7+ built-in AI add-ons and copilots.
Adjustable layoutDisplays as a bar, floating window or full screen.

Questions about ChatPDF ➜ GPT4 128k Sidebar Chrome Extension

What is ChatPDF ➜ GPT4 128k Sidebar Chrome Extension?

ChatPDF ➜ GPT4 128k Sidebar Chrome Extension is a browser hub that packs more than 100 GPT-4 powered agents and copilots into one plugin. It can be switched between a bar, a floating window or a full-screen layout, and it includes 7+ built-in AI add-ons and copilots.

Which AI models does ChatPDF ➜ GPT4 128k Sidebar Chrome Extension use?

ChatPDF ➜ GPT4 128k Sidebar Chrome Extension draws on GPT-4, ChatGPT and Microsoft Azure AI, alongside its own add-ons. The reviewer lists these multiple AI backends among its main strengths, together with its many built-in agents and flexible display modes.

Where is ChatPDF ➜ GPT4 128k Sidebar Chrome Extension not available?

ChatPDF ➜ GPT4 128k Sidebar Chrome Extension does not support access from Iran, Afghanistan or North Korea. It also does not support mainland China email providers such as QQ and 163, so Toolio lists people with those accounts under who it is not for.

Is ChatPDF ➜ GPT4 128k Sidebar Chrome Extension free?

Yes. ChatPDF ➜ GPT4 128k Sidebar Chrome Extension is listed with a free plan at $0, and Toolio found no paid plan on the Chrome Web Store in September 2026. It runs only in Chrome.

How does Toolio score ChatPDF ➜ GPT4 128k Sidebar Chrome Extension?

Toolio scores ChatPDF ➜ GPT4 128k Sidebar Chrome Extension 3.4 out of 5, scored by Alex after real use on 5 Oct 2026. The reviewer also notes its mixed ratings, which average only 3.4 out of 5. It is listed as best for power users who want many AI agents in one hub.

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