Glotto AI Translator

Glotto is a powerful tool designed to translate i18n JSON files using advanced AI technology. It streamlines the localization process by automatically translating your language files to any target language while maintaining the JSON structure.

Features

• Translate JSON files while preserving the original structure
• Support for multiple language pairs
• Configurable batch processing with customizable key limits
• Command-line interface for easy integration into your workflow

Installation

Glotto can be installed and used through either JSR (Deno) or npm. Choose the method that best suits your development environment.

JSR (Deno)

Global Installation

Install Glotto globally to use it as a CLI tool from anywhere:

deno install --global --name glotto -A jsr:@ibodev/glotto

Direct Execution

Alternatively, run Glotto directly without installation:

deno run -A jsr:@ibodev/glotto

npm (Node)

Global Installation

Install Glotto globally via npm to use it as a CLI tool:

npm install --global glotto

After installation, the glotto command will be available in your terminal.

Direct Execution

Run Glotto directly using npx without installation:

npx glotto

Usage

Basic usage (default Gemini)

glotto --key <gemini-api-key> -i en.json -o ar.json -f English -t Arabic

Use OpenAI instead of Gemini

glotto --key <openai-api-key> --input=en.json --output=tr.json --from=English --to=Turkish -p openai

Optional custom OpenAI base URL:

glotto --key <openai-api-key> --input=en.json --output=tr.json --from=English --to=Turkish -p openai --url=https://api.openai.com/v1

Use Anthropic (Claude)

glotto --key <anthropic-api-key> --input=en.json --output=tr.json --from=English --to=Turkish -p anthropic

Optional custom Anthropic base URL:

glotto --key <anthropic-api-key> --input=en.json --output=tr.json --from=English --to=Turkish -p anthropic --url=https://api.anthropic.com

Override default model for a provider:

glotto --key <openai-api-key> --input=en.json --output=tr.json --from=English --to=Turkish -p openai -m gpt-4.1

Parameters

• --key: API key for the selected AI provider
• --input or -i: Source JSON file
• --output or -o: Target JSON file
• --from or -f: Source language
• --to or -t: Target language
• --provider or -p: AI provider (gemini | openai | anthropic, default: gemini)
• --model or -m: Model name for the selected provider (defaults: gemini-2.5-flash, gpt-4.1-mini, claude-3-5-haiku-latest)
• --url: Custom base URL for OpenAI/Anthropic (optional)

Development

To run the project in development mode:

deno task cli --key <gemini-or-openai-api-key> --input=en.json --output=tr.json --from=English --to=Turkish -p gemini

Building the Project

To create a production build:

deno task build

Contributing

Contributions are welcome! Feel free to submit issues and pull requests.

License

MIT Licence @ 2026