SwiftBiu: More AI, More Productivity.

Support AI Multimodal (Text-to-Text, Text-to-Image), JS Plugins, HTML Extensions. Select text in any app, pop up a toolbar, and get things done in one step.

Download for macOS

Free on the App Store

SwiftBiu

Who are you

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Features Built for Speed

From translation to complex workflows, SwiftBiu is designed to be the fastest way to get things done.

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AI Multimodal

Text-to-Text, Text-to-Image, and more AI capabilities.

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Unlimited Extensions

Support JS Plugins and HTML Mini-programs.

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One-Step Action

Select text, pop up toolbar, done.

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Built for Speed

Native macOS performance, lightweight and fast.

Choose Your Plan

Start for free, and unlock powerful features with a Pro license.

Free

For casual users who need essential tools.

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Pro

For professionals who demand unlimited power.

Black Friday Deal

$4.99 / one-time

Promotion: Nov 21 - Dec 26

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Unlimited Extensibility

Create your own tools with a simple yet powerful JavaScript plugin system. Connect to any API and build the workflow of your dreams.

View Plugin Templates on GitHub

Welcome to develop more fun plugins. We are still in early stages, feedback and API requests are welcome!

manifest.json

{
  "identifier": "com.SwiftBiu.rmbconverter",
  "name": "CNY",
  "author": "SwiftBiu",
  "description": "Convert selected number to RMB uppercase.",
  "version": "1.0",
  "actions": [
    {
      "title": "CNY",
      "script": "script.js"
    }
  ],
  "icon": "dollarsign.circle",
  "iconType": "sfSymbol",
  "permissions": [
    "clipboardWrite",
    "notifications",
    "paste"
  ]
}

script.js

// 1. Check if plugin should appear
function isAvailable(context) {
    const text = context.selectedText.trim().replace(/[¥$,]/g, '');
    return text && !isNaN(parseFloat(text));
}

// 2. Execute the action
function performAction(context) {
    const text = context.selectedText.trim().replace(/[¥$,]/g, '');
    const rmb = convertToRMB(text); // Your logic here
    
    SwiftBiu.showNotification(rmb);
    SwiftBiu.pasteText(context.selectedText + "\n" + rmb);
}

Frequently Asked Questions

Have questions? We've got answers. If you don't see your question here, feel free to contact us.

SwiftBiu is compatible with macOS 12.0 (Monterey) and later. We recommend using the latest version of macOS for the best performance and security.

Absolutely. Your privacy and data security are our top priorities. SwiftBiu processes all text locally on your Mac. Text is only sent to external services (like translation or AI APIs) when you explicitly trigger an action that requires it. We do not collect or store your selected text.

Yes, the Pro license is a one-time purchase. You will receive all future updates for the current major version.

Here are some plugins developed by us. Download and open to install. Developers can also create their own.

CNY.swiftbiux
Convert numbers to RMB uppercase.
Gemini.swiftbiux
AI text response. Requires Google API Key.
GeminiImage.swiftbiux
Text-to-Image. Requires Google API Key (Billing may be required).
AdvancedTranslator.swiftbiux
HTML dictionary extension.

Get API Key: https://aistudio.google.com/api-keys

QQ Group: 1001839291