Fix code instantly using Gemini AI — Clean, Optimized & Bug-Free Output.
ScanIt is a VS Code extension that reviews your code, highlights improvements, and applies fixes directly to the original file — without overwriting the entire document.
Supports multiple programming languages, shows diffs, and provides 5 free trials using developer API, after which users can add their own Gemini API key for unlimited usage.
🧠 Features
Feature
Description
🔍 Scan & Improve Code
AI improves logic, cleans syntax & formatting
⚡ One-Click Auto Fix
Applies only changed code — not full replacement
👀 Side-By-Side Diff
Compare original vs improved output before applying
🌍 Multi-Language Support
Works for JS, TS, Python, Java, C++, etc.
🆓 Free Tier
First 1 reviews free using developer key
🔑 Unlimited Access
User can add their Gemini API key anytime
📡 Remote Key Handling
Developer key fetched from GitHub dynamically
🏃 Quick Usage
Action
How
Run Scan
Click 🔍 ScanIt Review or Ctrl + Alt + R
Apply Fix
Click ⚡ Apply Fix or Ctrl + Shift + A
Add API Key
After trial expires or via popup
🔑 API Key System
Condition
Behavior
New user
Gets 5 free runs using dev key
Free limit reached
Prompts user to enter Gemini API key
Developer key fails / quota exceeded
User asked to enter key
After entering key
Unlimited usage
|--> to change api key --> setting --> scanit (search) --> apikey