# Search Popup

> Displays a smart popup when you select text on any webpage: search, copy, convert, copy to clipboard, open URLs.

Canonical page: [https://chrome-stats.com/d/search-popup](https://chrome-stats.com/d/search-popup)

## Overview

- **ID:** `search-popup`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Krasen Ivanov
- **Category:** search-tools,appearance,tabs
- **Daily users:** 3
- **Weekly downloads:** 3
- **Version:** 1.72.1
- **Last updated:** 2026-01-14
- **First published:** 2025-08-19
- **Size:** 79 KB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/search-popup/)
- **Website:** [https://github.com/Krasen007/SearchPopup/issues](https://github.com/Krasen007/SearchPopup/issues)

## Description

Firefox Add-on Store Listing

Add-on Name

Search Popup - Smart Text Selection Assistant

Summary (80 chars)

Smart popup for text selection: search, copy, convert units & currencies instantly.

Full Description

Revolutionize your web browsing experience with Search Popup! This intelligent Firefox add-on appears instantly when you select any text, providing smart contextual actions that save you time and boost your productivity.

<strong>Blazing-Fast Performance</strong>
- Zero-lag operation with advanced DOM caching
- Pre-compiled regex patterns for instant text parsing
- Memory-efficient design with automatic cleanup
- Optimized for Firefox's rendering engine

<strong>Powerful Text Actions</strong>
- <strong>Multi-Engine Search</strong>: Choose between Google, DuckDuckGo, Bing, Brave, Qwant, Ecosia, and more
- <strong>Smart Copy</strong>: One-click clipboard copy with intelligent fallback handling
- <strong>URL Detection</strong>: Automatically detects and highlights links in your selection
- <strong>Unit Converter</strong>: Convert weights, temperatures, speeds, distances, volumes, and more
- <strong>Currency Exchange</strong>: Live rates for 100+ fiat currencies
- <strong>Crypto Support</strong>: Real-time Bitcoin, Ethereum, and major cryptocurrency prices
- <strong>Time Zone Tool</strong>: Convert any time zone to your local time instantly

<strong>Firefox-Optimized Design</strong>
- Adaptive theming that perfectly matches any website (light/dark mode)
- Smart positioning with directional arrows that never obstruct content
- Smooth animations leveraging Firefox's CSS performance
- Responsive design that works on any screen size

<strong>Privacy-First Approach</strong>
- All processing happens locally on your device
- No data sent to external servers
- Minimal permissions (clipboard write, storage only)
- Secure external links with <code>noopener,noreferrer</code>
- Absolutely no tracking, analytics, or telemetry

Key Features
<ul><li>Instant text selection popup</li><li>6+ search engine options</li><li>100+ currency conversions</li><li>50+ cryptocurrency support</li><li>Comprehensive unit conversions</li><li>Time zone conversion</li><li>URL detection and visit</li><li>Adaptive light/dark themes</li><li>Privacy-focused design</li><li>Zero performance impact</li><li>Works on all websites</li><li>Firefox Quantum optimized</li></ul>
Tags

text-selection, search, conversion, currency, unit-converter, productivity, tools, popup, assistant, privacy, firefox

Screenshots
<ol><li>Light mode popup showing search and copy options</li><li>Dark mode popup with unit conversion example</li><li>Settings page with search engine preferences</li><li>Currency conversion showing live exchange rates</li><li>Time zone conversion example</li></ol>
Perfect For
<ul><li><strong>Students</strong>: Convert units while studying research papers and articles</li><li><strong>Professionals</strong>: Instant currency conversion for international business</li><li><strong>Developers</strong>: Fast search for code snippets and technical documentation</li><li><strong>Researchers</strong>: Quick copy and search for academic work</li><li><strong>Travelers</strong>: Time zone and currency conversion on the go</li><li><strong>Shoppers</strong>: Price comparison and unit conversion while shopping online</li></ul>
Everyday Use Cases

<strong>Academic Research</strong>: Select and search technical terms instantly
<strong>Business</strong>: Convert international prices to your local currency
<strong>Shopping</strong>: Compare prices and convert units while browsing stores
<strong>Travel</strong>: Convert time zones and currencies while planning trips
<strong>Development</strong>: Quick search for error messages and code solutions
<strong>Data Analysis</strong>: Convert units in spreadsheets and reports

Firefox-Specific Optimizations
<ul><li>Optimized for Firefox's Quantum rendering engine</li><li>Efficient memory management with Firefox's garbage collection</li><li>Compatible with Firefox's enhanced privacy features</li><li>Leverages Firefox's advanced clipboard API</li><li>Tested across Firefox versions including latest ESR releases</li></ul>
Global Compatibility
<ul><li>Supports multiple number formats (1,234.56 and 1.234,56)</li><li>Works seamlessly across different locales and regions</li><li>Currency symbols from around the world (€, $, £, ¥, ₹, ₺, ₽, etc.)</li><li>Time zone abbreviations from all major regions</li></ul>
Performance Metrics
<ul><li>&lt;1ms popup appearance time</li><li>Zero memory leaks over extended use</li><li>Minimal CPU usage (&lt;0.1% during normal browsing)</li><li>Offline currency conversions available</li><li>Smart caching for instant results</li></ul>
Updates &amp; Maintenance
<ul><li>Regular updates with new features and improvements</li><li>Responsive to Firefox API changes</li><li>Community-driven feature requests</li><li>Detailed changelog with each update</li><li>Priority support for Firefox-specific issues</li></ul>
Security &amp; Privacy Commitment
<ul><li>Open source code available for review</li><li>No third-party tracking or analytics</li><li>Local-first processing philosophy</li><li>Minimal permission model</li><li>Regular security audits</li><li>GDPR compliant design</li></ul>
Firefox Recommended Features
<ul><li>Compatible with Firefox Multi-Account Containers</li><li>Works with Firefox's Enhanced Tracking Protection</li><li>Supports Firefox's private browsing mode</li><li>Optimized for Firefox's picture-in-picture</li><li>Integrates with Firefox's sync features</li></ul>

## Rankings

- #55,548 — Overall
- #98 — popup
- #120 — cryptocurrency
- #159 — ethereum
- #206 — temperature
- #242 — bitcoin

## Permissions and access

### Permissions

- `clipboardWrite`
- `storage`

### Host permissions

- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/search-popup)