Gemini side pilot

SidePilot is built for exactly that.

Key Features 1) Deep Dive Threads (without cluttering your main chat) Ask follow-up questions in a separate thread while keeping your main Gemini flow clean.

Keep the primary conversation focused

Explore side topics in dedicated threads

Quote specific Gemini responses and dive deeper

2) Folders & Bookmarks (turn chat history into reusable assets) Organize growing conversations like a file system.

Create nested folders

Drag and drop to reorganize

Bookmark important messages

Build a project-level knowledge base

3) Prompt Templates with Variables Save frequently used prompts and insert them in one click.

Use {{variables}} for dynamic inputs

Great for summaries, translations, code reviews, and email drafts

Reduce repetitive typing

4) BYOK (Bring Your Own Key) + Model Selection Use your own Gemini API key and choose models based on your task.

Privacy & Security (Local-First) SidePilot is designed as a local-first extension.

Conversation-related data (folders, bookmarks, templates, thread history) is stored locally in your browser.

Your Gemini API key is stored locally and used for Gemini API requests.

SidePilot does not require its own backend server for core functionality.

Who it’s for Engineers managing technical discussions and review logs

Writers/marketers handling multiple content workflows

Business users streamlining summaries, drafts, and ideation

Heavy Gemini users who want searchable, structured conversation workflows

Pricing (No subscription) Personal use: Free

Commercial/business use: One-time license (¥500)

* You need your own Gemini API key (free tier available from Google AI Studio).

Official site: https://www.sidepilot.jp/