Search Popup by Krasen Ivanov

An Open Source extension Search Popup enhances your browsing experience by providing a convenient popup menu when you select text on any webpage.

A modern browser extension that displays a smart popup menu when you select text on any webpage. Instantly search, copy, or convert selected text — including units and currencies — right from the popup. The extension adapts its theme to match the page (light/dark) and works on all websites.

Features
Contextual Popup: Appears when you select text on any webpage.

Search: Instantly search Google for the selected text or visit a detected website.
Copy: Copy the selected text to your clipboard with robust fallback handling. Light mode popup
Unit & Currency Conversion:

Detects and converts common units (kg, lb, mph, km, etc.) and currencies (USD, EUR, GBP, etc.)
Supports both period and comma as decimal separators (e.g., 569,00€ or 569.00€)
Dark mode popup

URL Detection: Recognizes website addresses in your selection and offers to visit them directly.

Time zone conversion: Converts Time zones to your time.

Adaptive Theming: Popup automatically switches between light and dark mode based on the underlying page background for optimal readability. Dark mode popup

Dynamic Positioning: Popup appears above or below the selection with an arrow, always within the viewport.

Auto-hide on Scroll/Resize: Disappears smoothly to avoid obstructing content.

Lightweight & Efficient: Minimal impact on page performance.

Supported Conversions
The extension supports a wide range of unit and currency conversions. Simply select the text (e.g., 10 lbs or 0.5 BTC) to see the result.

• Smooth Interactions: Disappears on scroll or resize to prevent obstruction

Inspired by Opera Browser's functionality, Search Popup streamlines your workflow and saves time when browsing the web.