Accessibility
Growth signalNo paid features detectedMedium-risk permissions
contrast checker icon

contrast checker

The contrast checker shows a heatmap of the contrast ratio between the middle and surrounding pixels.

Users7Current public install base
Rating--Store average score
Reviews0Public review volume
Manifest versionV3Extension platform version
7-day growth+2Net users gained this week
7-day growth rate+40%Relative weekly velocity
Preview

contrast checker Media preview

2 assets
Trend

User growth trend

Review user movement across collected snapshots.

User Growth Over Time

667772026年7月12日2026年7月15日2026年7月18日Latest: 7
Rating trend

7-day rating trend

View collected rating snapshots from the latest 7-day window to assess rating stability.

Not enough rating snapshots yet. More data will appear as new snapshots are collected.
Growth overview

Daily, weekly, and monthly growth

Compare 1-day, 7-day, and 30-day net growth and growth rate.

1-day growthNo data
----
7-day growthGrowing
+2+40%
30-day growthNo data
----
Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

Version1.0
ManifestV3
Size173KiB
Languages1English
Published
Store updated
Last crawled
English
Overview

Product summary

Review the store description, core capabilities, and common use cases.

The contrast checker shows a heatmap of the contrast ratio between the middle and surrounding pixels. The contrast setting can be changed in the extension options. Press Alt+Z (Ctrl+Z on MAC) or click on it's icon to start the extension.

Reviews

Recent review snapshot

Inspect the latest comments and rating distribution.

Store average score--Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average--Average computed only from synced review bodies below
Reviews with text0Synced review bodies
Total ratings / reviews0Chrome Web Store public rating/review count

Store average score: --. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5★
0
4★
0
3★
0
2★
0
1★
0
No synced review text is available yet.
Related products

Similar and related extensions

Review related products from the Chrome Web Store detail page.