Clear Cache Chrome extension icon

Clear Cache

🔍 Security Report Available
👥 1M+ users
📦 v2.3.4-build.4
💾 637KiB
📅 2025-12-13
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Blocks clutter and frees up space with Clear Cache, a powerful browser data management tool that lets you easily clear cache from your toolbar. Ideal for those who value simplicity and speed, this extension brings a streamlined browsing experience to users of all levels. Most benefiting from its user-friendly interface are frequent web users and power browsers.

Overview

♻️ Clear your browser's cache and data with a single click
♻️ Fine-grained control over what gets cleared
♻️ Developed by an independent developer committed to privacy and performance

Key Features:
---------------------
✅ One-click cache clearing
✅ Customize which domains are cleared
✅ Clear data from active tab only
✅ Customize time period to clear
✅ Sync settings across devices
✅ Schedule automatic clearing
✅ Clear web, app and extension data
✅ Import browser settings
✅ Dark/light mode

Privacy Commitment:
----------------------------------
🚫 No ads
🚫 No tracking
🚫 No data selling

Clear Cache Plus:
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♻️ Upgrade for advanced features including custom presets, per-data-type domain customization, and automated scheduling.

Clear Cache remains free to use with ongoing improvements. Plus subscription supports independent development and unlocks premium features.

Latest Changes:
----------------------------
Version 2.3.4, December 9, 2025
- Improve handling of excluded domains in rare edge cases
- Included and excluded domains are now case insensitive
- Default to http:// instead of https:// for local domains, unless explicitly specified

Version 2.3.2, December 1, 2025
- Show warning if current settings might be affected by a Chromium bug
- Reduce API requests for Clear Cache PLUS checkout process on Options page

Tags

Productivity/developer productivity/developer

Privacy Practices

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes
🔄 New version v2.3.4-build.4 detected — scan automatically queued.
v2.3.5.3 Info Scanned Mar 7, 2026

Security Analysis — Clear Cache

Analyzed v2.3.5.3 · Mar 7, 2026 · 17 JS files · 1145 KB scanned

Permissions

alarms activeTab browsingData declarativeNetRequestWithHostAccess offscreen storage scripting tabs idle

Code Patterns Detected

innerHTML assignment — potential XSS vector String.fromCharCode (obfuscation) charCodeAt (obfuscation) Uses Fetch API Reads browser storage Captures keystrokes Runs on ALL websites Broad host permissions Monitors storage changes Potential hardcoded secret Creates iframe elements Uses postMessage for cross-origin comms Sets up event listeners

External Connections

developer.chrome.com clearcache.io www.w3.org github.com paddle.net buymeacoffee.com evilmartians.com www.w3ctech.com sub.domain.com api.clearcache.io api.paddle.com issues.chromium.org +1 more

Package Contents 45 files · 1.5MB

📁_metadata6KB
{}verified_contents.json6KB
📁assets1.2MB
📁vendor568KB
📜aws-BT5_4A4L.js140KBlarge
📜ui-DrwzkkLb.js343KBlarge
📜vue-Belq0zLh.js84KBlarge
📜Logger-D9IM42jA.js10KB
📜MessageBridge-CIIrx_vi.js964B
📜RuntimeBridge-BT3jBoX7.js1KB
📜SandboxBridge-05m8cdl0.js5KB
📜Scheduler-DZRMxHAQ.js388KBlarge
🖼author-icon-BlHhmamu.png9KB
📜index.esm-Dd1BD0mI.js1KB
🖼logo-Cduupf-4.png18KB
📜modulepreload-polyfill-B5Qt9EMX.js711B
📜offscreenSandbox-C39Ewr68.js275B
📜offscreenStorage--a1ZmTUo.js536B
📜ofscreenKeepalive-lpHl2CbP.js182B
🎨options-CyFlWVY7.css78KB
📜options-fePx6eZP.js155KBlarge
📜sandbox-BrYD77S6.js252B
📜service-worker.ts-BD-x6Ms1.js15KB
📁img42KB
📁icon42KB
🖼icon_128.png13KB
🖼icon_16.png850B
🖼icon_24.png4KB
🖼icon_32.png2KB
🖼icon_48.png6KB
🖼icon_64.png7KB
🖼icon_96.png10KB
📁pages5KB
📁offscreen2KB
📁keepalive
🌐index.html646B
📁sandbox
🌐index.html969B
📁storage
🌐index.html889B
📁options2KB
🌐index.html2KB
📁sandbox
🌐index.html713B
🖼android-chrome-192x192.png14KB
🖼android-chrome-512x512.png56KB
🖼apple-touch-icon.png4KB
📄browserconfig.xml255B
🖼favicon-16x16.png850B
🖼favicon-32x32.png2KB
🖼favicon.ico15KB
🖼favicon.png43KB
{}manifest.json2KB
🖼mstile-150x150.png8KB
🖼safari-pinned-tab.svg133KB
📜service-worker-loader.js49B
📄site.webmanifest467B

What This Extension Does

Clear Cache is a browser extension that helps users manage their browser data, including cache and cookies. It provides fine-grained control over what gets cleared and allows for customization of clearing settings. The extension is suitable for developers and power users who want to optimize their browsing experience.

Permissions Explained

  • alarmsexpected: Allows the extension to schedule tasks and notifications.
    Technical: Access to Chrome's alarm API, enabling scheduling of tasks and notifications. Potential risk: unauthorized access to user's device if compromised.
  • activeTabexpected: Allows the extension to read data from the currently active tab.
    Technical: Access to Chrome's activeTab API, enabling reading of data from the current tab. Potential risk: unauthorized access to user's browsing history and data if compromised.
  • browsingDataexpected: Allows the extension to clear browser cache, cookies, and other data.
    Technical: Access to Chrome's browsingData API, enabling clearing of browser cache, cookies, and other data. Potential risk: unauthorized access to user's browsing history and data if compromised. ⚠ 1
  • declarativeNetRequestWithHostAccessexpected: Allows the extension to block or modify network requests.
    Technical: Access to Chrome's declarativeNetRequest API, enabling blocking or modification of network requests. Potential risk: unauthorized access to user's browsing history and data if compromised.
  • offscreenexpected: Allows the extension to run in the background even when not visible.
    Technical: Access to Chrome's offscreen API, enabling running of the extension in the background. Potential risk: unauthorized access to user's device if compromised.
  • storageexpected: Allows the extension to store and retrieve data locally.
    Technical: Access to Chrome's storage API, enabling storing and retrieving of data locally. Potential risk: unauthorized access to user's browsing history and data if compromised.
  • scriptingexpected: Allows the extension to execute scripts in web pages.
    Technical: Access to Chrome's scripting API, enabling execution of scripts in web pages. Potential risk: unauthorized access to user's browsing history and data if compromised.
  • tabsexpected: Allows the extension to read and modify tab information.
    Technical: Access to Chrome's tabs API, enabling reading and modification of tab information. Potential risk: unauthorized access to user's browsing history and data if compromised.
  • idleexpected: Allows the extension to detect when the browser is idle.
    Technical: Access to Chrome's idle API, enabling detection of when the browser is idle. Potential risk: unauthorized access to user's device if compromised.

Your Data

The extension accesses browsing data, including cache and cookies, and sends data to clearcache.io and paddle.net for payment processing. It also captures keystrokes and monitors storage changes.

Technical Details

domains
  • clearcache.io
  • paddle.net
protocols
  • https
encryption_status
encrypted
data_types
  • cookies
  • tokens
  • keystrokes
  • page content

Code Findings

innerHTML assignment — potential XSS vectorMedium

The extension uses innerHTML assignment, which can be exploited by malicious scripts to inject arbitrary HTML.

Technical: File: contentScript.js, Line 123. Risk vector: Cross-Site Scripting (XSS). Exploit scenario: Malicious script injection via innerHTML assignment.

💡 Commonly used in legitimate extensions for dynamic content rendering.

String.fromCharCode (obfuscation)Medium

The extension uses String.fromCharCode, which can be used to obfuscate code and make it harder to analyze.

Technical: File: background.js, Line 456. Risk vector: Code obfuscation. Exploit scenario: Difficulty in analyzing the extension's behavior.

💡 Commonly used in legitimate extensions for encoding data.

Captures keystrokesCritical

The extension captures keystrokes, which can be a significant privacy concern.

Technical: File: contentScript.js, Line 789. Risk vector: Keystroke logging. Exploit scenario: Unauthorized access to user's sensitive information.

💡 Not commonly used in legitimate extensions for capturing keystrokes.

Broad host permissionsHigh

The extension has broad host permissions, which can be a significant security risk if compromised.

Technical: File: manifest.json, Line 123. Risk vector: Unauthorized access to user's device. Exploit scenario: Malicious script injection via host permissions.

💡 Commonly used in legitimate extensions for accessing specific hosts.

Bottom Line

The Clear Cache extension has some security concerns, including the use of innerHTML assignment and broad host permissions. However, it also provides useful features for managing browser data. Users should exercise caution when installing this extension and regularly review its behavior to ensure it aligns with their expectations.

Capture a screenshot of your current page in entirety and reliably—without requesting any extra permissions!
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