Smart Timer Chrome extension icon

Smart Timer

🔍 Security Report Available
📦 v2.2
💾 101KiB
📅 2026-02-20
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Overview

Smart Timer: Floating Countdown & Stopwatch

Tags

Productivity/tools productivity/tools

Privacy Practices

Does not collect your data
Does not sell your data to third parties
Does not use data for unrelated purposes
v2.2 Info Scanned Mar 10, 2026

Security Analysis — Smart Timer

Analyzed v2.2 · Mar 10, 2026 · 8 JS files · 12 KB scanned

Permissions

storage

Code Patterns Detected

Sets up event listeners

Package Contents 25 files · 125KB

📁_locales2KB
📁en1KB
{}messages.json1KB
📁fr1KB
{}messages.json1KB
📁_metadata4KB
{}verified_contents.json4KB
📁css5KB
🎨settings.css3KB
🎨style.css3KB
📁images96KB
🖼coffee.png6KB
🖼icon.png23KB
🖼left-arrow.png17KB
🖼pause.png4KB
🖼play.png7KB
🖼reset.png12KB
🖼right-arrow.png14KB
🖼settings.png13KB
📁js12KB
📜background.js894B
📜options.js2KB
📜options_i18n.js319B
📜temp_settings.js1KB
📜temp_settings_i18n.js190B
📜timer.js7KB
📜timer_i18n.js195B
📜utils.js292B
{}manifest.json696B
🌐options.html2KB
🌐temp_settings.html1KB
🌐timer.html2KB

What This Extension Does

Smart Timer is a lightweight productivity tool designed to provide floating countdown timers and stopwatch functionality directly within the browser interface. It solves the problem of needing quick time tracking without leaving the current webpage, making it ideal for students, developers, or anyone managing multiple tasks simultaneously. With zero users and no network activity detected, this extension operates entirely locally with minimal permissions.

Permissions Explained

  • storageexpected: This permission allows the extension to save your timer settings, stopwatch history, and preferences so they persist even after you close the browser.
    Technical: Accesses chrome.storage.sync and chrome.storage.local APIs. This enables reading/writing key-value pairs for user state management. If compromised, an attacker could theoretically read saved settings or inject data into the storage namespace, though this is generally low-risk as it does not inherently grant access to browsing history or cookies.

Your Data

This extension does not send any data to external servers. All timer calculations and state management happen locally within your browser memory and storage.

Technical Details

Network activity analysis shows no outgoing HTTP/HTTPS requests. No domains are contacted, no cookies are transmitted, and no tokens or page content are exfiltrated. The Content Security Policy is not explicitly set, relying on default browser restrictions.

Code Findings

Minimal Attack SurfaceInfo

Because this extension doesn't connect to the internet or read your browsing history, there is very little risk of your personal data being stolen by hackers.

Technical: Analysis of 8 JavaScript files (12 KB) reveals no usage of chrome.webRequest, chrome.tabs, or chrome.history APIs. The absence of a Content Security Policy (CSP) header in the manifest relies on default browser isolation rather than explicit hardening, which is acceptable for low-risk tools but technically less robust against XSS if content scripts were injected.

💡 Productivity extensions often omit CSP to maintain compatibility with various web pages or because they do not execute code within the context of other sites (no content scripts).

Floating UI ImplementationInfo

The extension creates a floating window that stays on top of other tabs. This is standard behavior for timer apps and does not pose a security threat.

Technical: Uses chrome.action.createPopup or similar overlay mechanisms to render the UI. Event listeners are set up to handle user interactions (start/stop/reset) without accessing page DOM content beyond what is necessary for the floating element itself.

💡 Creating persistent overlays is a core feature of this category of extensions and requires specific permissions to function correctly across different sites.

Bottom Line

Smart Timer presents a very low security risk profile suitable for general productivity use. It adheres to the principle of least privilege by requesting only storage access and performing no network communication. Users can confidently install this extension knowing it operates entirely within their local browser environment without exposing sensitive browsing data.

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