# Canvas Fingerprint Defender

> Defending against Canvas fingerprinting by reporting a fake value.

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

## Overview

- **ID:** `lanfdkkpgfjfdikkncbnojekcppdebfp`
- **Platform:** Chrome
- **Type:** Chrome extension
- **Status:** Available
- **Publisher:** Yubi
- **Category:** Privacy & Security
- **Users:** 100,000
- **Rating:** 3.75 / 5 (75 ratings)
- **Version:** 0.2.3
- **Last updated:** 2026-05-26
- **First published:** 2020-04-14
- **Size:** 48 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Chrome Web Store](https://chromewebstore.google.com/detail/canvas-fingerprint-defend/lanfdkkpgfjfdikkncbnojekcppdebfp)

## Description

Canvas Fingerprint Defender is a lightweight Chrome extension designed to enhance your online privacy by spoofing canvas fingerprints. Unlike blocking canvas fingerprinting outright, this extension reports a random fake fingerprint value, adding a subtle noise to your actual fingerprint. It refreshes this fake fingerprint with every page reload or website visit, making it harder for trackers to uniquely identify your browser.

The extension operates seamlessly without any settings or configurations—just install it and start browsing. To verify its effectiveness, you can visit fingerprint test sites like BrowserLeaks and observe the changing canvas fingerprint with each refresh. This approach balances privacy protection with functional web compatibility, providing a smart defense against canvas fingerprint tracking. For bug reports or more details, visit the addon's homepage at https://mybrowseraddon.com/canvas-defender.html.

## Rankings

- #2,012 — Overall
- #218 — chrome homepage

## Permissions and access

### Permissions

- `storage`
- `contextMenus`
- `notifications`

### Content script matches

- `*`

## Safety

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

### Analysis details

- Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
- 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).

## Review summary

Canvas Fingerprint Defender is praised for being a simple, lightweight, targeted protection against canvas fingerprinting and is verifiable with independent testers. However, it often clashes with Cloudflare-protected sites, causing access issues and page breakage. Its effectiveness varies by site and browser, with some fingerprints still appearing on tests. Users note better results on some platforms but not universally. Overall, it’s a low-overhead privacy tool that works well for some setups but can cause compatibility problems on others.

### Pros

- Effectively blocks canvas fingerprinting and enhances privacy.
- Easy to use and lightweight with a low memory footprint.
- Focused anti-fingerprinting approach (one-exploit fix) rather than broad spoofing.
- Can be validated with external fingerprinting testers (e.g., CoverYourTracks, BrowserLeaks, AmIUnique).
- Generally praised as a simple, straightforward privacy tool that works for many users.

### Cons

- Significant Cloudflare compatibility issues: access blocks, captcha loops, and repeated verification demands.
- Site compatibility problems: many websites load incorrectly or stop working with the extension active.
- Inconsistent effectiveness across sites and browsers: fingerprint changes are not universal and results vary by tester site.
- Brave and some other browsers may experience reduced benefit or adverse effects due to built-in anti-fingerprinting features.
- Not all users experience benefits; several reviews report no noticeable changes or limited impact on certain tests.

## Similar extensions and apps

- [WebGL Fingerprint Defender](https://chrome-stats.com/d/olnbjpaejebpnokblkepbphhembdicik) — 90,000 users, 3.47 / 5
- [Font Fingerprint Defender](https://chrome-stats.com/d/fhkphphbadjkepgfljndicmgdlndmoke) — 90,000 users, 3.54 / 5
- [Random User-Agent (Switcher)](https://chrome-stats.com/d/einpaelgookohagofgnnkcfjbkkgepnp) — 100,000 users, 4.58 / 5
- [AudioContext Fingerprint Defender](https://chrome-stats.com/d/pcbjiidheaempljdefbdplebgdgpjcbe) — 10,000 users, 3.78 / 5
- [Canvas Blocker - Fingerprint Protect](https://chrome-stats.com/d/nomnklagbgmgghhjidfhnoelnjfndfpd) — 70,000 users, 3.88 / 5
- [Fingerprint Spoofer](https://chrome-stats.com/d/facgnnelgcipeopfbjcajpaibhhdjgcp) — 20,000 users, 3.94 / 5
- [WebRTC Control](https://chrome-stats.com/d/fjkmabmdepjfammlpliljpnbhleegehm) — 300,000 users, 4.45 / 5
- [CthulhuJs (Anti-Fingerprint)](https://chrome-stats.com/d/pmcpffnpjncfplinfnjebjoonbncnjfl) — 10,000 users, 4.31 / 5
- [User-Agent Switcher and Manager](https://chrome-stats.com/d/bhchdcejhohfmigjafbampogmaanbfkg) — 400,000 users, 4.30 / 5
- [ClientRects Fingerprint Defender](https://chrome-stats.com/d/niphfcamineobpiggefmngniahlpipah) — 4,000 users, 4.60 / 5
- [Am I Unique](https://chrome-stats.com/d/pigjfndpomdldkmoaiiigpbncemhjeca) — 1,000 users, 5.00 / 5

---

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