Number Formatter

Make large and small numbers easier to read.

Number Formatter is a small quality-of-life Raycast extension for seeing numbers in formats that are easier to understand and share. Type or paste a number and copy the representation you need.

1200000   → 1.2 million
1200000   → 1’200’000
0.0000012 → 1.2E-6

Features

• See grouped, compact short, compact long, and scientific formats at once.
• Copy any result with Enter.
• Choose the system locale, English, German, French, Italian, or Spanish in command preferences.
• Adjust decimal detail in Raycast preferences.
• Paste numbers with commas, periods, spaces, or apostrophe grouping.
• Keep every calculation local and offline.

Usage

1. Open Format Number in Raycast.
2. Type or paste a number in the search bar.
3. Optionally choose a locale from command preferences.
4. Select a result and press Enter to copy it.

Supported Locales

• System default
• English (United States and United Kingdom)
• German (Germany and Switzerland)
• French (France)
• Italian (Italy)
• Spanish (Spain)

Development

Requires Node.js 24 LTS or a newer LTS release, npm, and Raycast.

npm install
npm test
npm run lint
npm run build
npm run dev

Limitations

Number Formatter supports finite JavaScript numbers with up to approximately 15 significant digits. It intentionally does not provide arbitrary-precision decimals, currencies, percentages, calculations, or saved history.

Contributing

Issues and focused pull requests are welcome. Please run the tests, linter, and production build before submitting a change.

Privacy

Number formatting happens entirely on your device. The extension has no accounts, analytics, telemetry, or network requests.

License

MIT