Production-Ready Boilerplate forChrome Extension & GAS

Sync Gemini chat logs directly to Google Sheets & Drive in real-time.
Built on Manifest V3 with zero infrastructure costs — perfect for Indie Hackers & Engineers.

⚡ Featured Boilerplate ($0 Backend Costs)

Gemini Chat Sync — Chrome Extension Boilerplate

A clean, production-ready codebase powered by Chrome Manifest V3 and Google Apps Script (GAS). Automatically formats Gemini responses into clean Markdown and syncs structured data into Google Sheets & Drive in real-time.

Real-Time Sync: MutationObserver debounce sync without duplicates
Isolated Parser: Easily update CSS selectors if Gemini UI changes
$0 Backend Server: Runs entirely within Google's free tier (GAS)
Commercial Friendly: Modify, rebrand, and publish anywhere
Get Source Code on Gumroad Includes Extension Code, Code.gs, Sheet Template & Guides

Perfect For

Indie Hackers

A solid base to build and launch custom AI / Gemini tools rapidly.

Web Engineers

Clean design pattern integrating Chrome Manifest V3 with GAS.

Automation Enthusiasts

Automate manual copy-pasting by syncing AI output directly to Drive.

Latest Articles

Automation & System Design Insights

How to Maintain AI-Generated Chrome Extensions When Web UIs Update (Part 4)

How to Maintain AI-Generated Chrome Extensions When Web UIs Update (Part 4)

The final installment on gaining the self-reliance to remain unfazed even when 'the tool that worked yesterday suddenly stops'! I'll teach you the independent design of parser.js (assuming it will break) and the steps to give precise fix instructions to AI when the UI changes. Here's a summary of the thinking process to safely maintain and operate tools without completely leaving everything to AI.

Auto-Export Gemini Chats to Markdown & Google Drive via GAS (Part 2)

Auto-Export Gemini Chats to Markdown & Google Drive via GAS (Part 2)

Solved the 'long texts and code are hard to read' issue in spreadsheet saves! I expanded GAS to build a system that auto-generates Markdown (.md) files to Google Drive. I'll explain the process of fixing a line-break bug with AI, and the ingenuity behind a 'robust design' resistant to UI changes.

Building a Chrome Extension to Auto-Save Gemini Chat Logs using AI (Part 1)

Building a Chrome Extension to Auto-Save Gemini Chat Logs using AI (Part 1)

Avoid the trap of 'I made the AI write the code, but it doesn't match the actual screen and won't work'! I'm revealing the development process behind a tool that automatically saves Gemini chat logs. In Part 1, I'll show you how to effectively control AI through understanding system structure and giving precise instructions using DevTools.