Conversion Tools - Gemini CLI Extension

Conversion Tools extension for Gemini CLI. Convert 140+ file formats directly in your terminal — no browser tabs, no copy-pasting.

Installation

gemini extensions install https://github.com/conversiontools/gemini-extension

Usage

Once installed, just ask Gemini to convert files:

Convert data.json to Excel

Transform this XML file to CSV

Convert report.pdf to Word document

Available Tools

Tool	Description
convert_file	Convert a file from one format to another
list_converters	List available converters by category
find_converter	Find the best converter for specific formats
get_converter_info	Get detailed info about a converter
request_upload_url	Get upload URL for large files (>5MB)
auth_status	Check authentication status
auth_login	Login via OAuth
auth_logout	Logout and clear credentials

Supported Conversions

140+ conversion types including:

• Documents: Word, PowerPoint, Excel ↔ PDF
• Data: JSON, CSV, XML, YAML, Excel conversions
• Images: PNG, JPG, WebP, AVIF, HEIC, SVG
• PDF: Extract to Word, Excel, CSV, Text, Images
• Audio/Video: MP3, WAV, MP4, MOV
• E-books: EPUB, MOBI, PDF
• OCR: Extract text from images and scanned PDFs
• AI-powered: Smart extraction from complex documents

Authentication

On first use, you'll be prompted to authenticate via OAuth. This opens a browser window to log in to your Conversion Tools account.

Free accounts get 100 conversions per month (10 per day). Paid plans available at conversiontools.io/pricing.

Examples

Convert JSON to Excel

I have a data.json file with an array of objects. Convert it to Excel.

Extract data from PDF

Extract the table from invoice.pdf to CSV

Convert image format

Convert screenshot.png to WebP format

Batch conversion

Convert all JSON files in the data/ folder to CSV

Links

• Documentation
• Pricing
• Support

License

MIT