# PixelCompare Overlay

> Compare images instantly using a transparent overlay slider to detect subtle visual differences and design inconsistencies.

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

## Overview

- **ID:** `pixelcompare-overlay`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Fim
- **Category:** other
- **Daily users:** 9
- **Weekly downloads:** 2
- **Version:** 1.0.0
- **Last updated:** 2026-01-31
- **First published:** 2026-01-28
- **Size:** 12 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/pixelcompare-overlay/)

## Description

PixelCompare Overlay is a Firefox image utility that allows you to compare and overlay images directly in the browser. The utility helps users easily identify differences in detail and color, making it very useful for design, interface testing, and image editing.

## Rankings

- #35,597 — Overall
- #32 — compare
- #40 — overlay

## Permissions and access

### Permissions

- `activeTab`
- `storage`
- `contextMenus`

### Host permissions

- `<all_urls>`

## Safety

- **Risk impact:** Moderate 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).

## Similar extensions and apps

- [PerfectPixel PM](https://chrome-stats.com/d/perfectpixel-pm) — 18 users
- [HoverCompare Pro](https://chrome-stats.com/d/hovercompare-pro)
- [PixelPerfect Pro](https://chrome-stats.com/d/pixelperfect-pro) — 19 users
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- [QuickCompare](https://chrome-stats.com/d/quickcompare)
- [Pixel Perfect Pro](https://chrome-stats.com/d/pixel-perfect-pro) — 3,539 users, 4.46 / 5
- [SpotDiff](https://chrome-stats.com/d/spotdiff)
- [Spyglass Contrast Checker](https://chrome-stats.com/d/spyglass-contrast-checker) — 2 users
- [Pixel Inspector Overlay](https://chrome-stats.com/d/pixel-inspector-overlay)
- [Instant Image Compare](https://chrome-stats.com/d/instant-image-compare)
- [PicSize Overlay HUD](https://chrome-stats.com/d/picsize-overlay-hud) — 1 users

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