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WhatDayIsIt - Date Highlighter & Day Finder

Instantly see what day any date falls on. Highlights dates on any webpage - hover to see Monday, Tuesday, etc.

As of June 2026, WhatDayIsIt - Date Highlighter & Day Finder has 8 users in the Productivity category.

Productivity
Chrome Web Store ↗.crx
Usersup 14.3 percent+14.3%
8
8
Ratingno change0%
—
— reviews
Reviewsno change0%
—
Version
1.3
Manifest V3

History

8 snapshots

Tracking since Apr 1, 2026.

9.247.55.76Apr 1, 2026Jun 7, 2026
View as table
DateUsersRatingReviewsVersion
Apr 1, 20267——1.3
Apr 10, 20266——1.3
Apr 20, 20268——1.3
Apr 25, 20266——1.3
May 2, 20268——1.3
May 9, 20269——1.3
May 20, 20267——1.3
May 29, 20266——1.3
Now8——1.3

Permissions & access

Permissions
activeTabstorage
Host access
None declared

Screenshots

WhatDayIsIt - Date Highlighter & Day Finder screenshot 1

About

Ever looked at a date and wondered what day of the week it falls on? WhatDayIsIt instantly highlights dates on any webpage and shows you the day with a simple hover.

  ✨ FEATURES
  • Automatic date detection - works on any website
  • Hover tooltip shows day of week (Monday, Tuesday, etc.)
  • Supports multiple formats: Dec 25, 2024 | 25/12/2024 | 2024-12-25
  • Works with English and Polish dates
  • Customizable highlight color (on/off)
  • Icon position setting (before/after date)
  • Works on dynamic content (SPAs)

  🔒 PRIVACY
  • Zero data collection
  • No analytics or tracking
  • Works entirely offline
  • Open source

  Perfect for planning, scheduling, and quickly checking any date you encounter online.

Technical

Version
1.3
Manifest
V3
Size
41.65KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
cfkjhomjejdhjnhnkbcjamdfjkkpebec
Developer ID
ue1dce6516565372d01c920a3789ede82
Developer Email
[email protected]
Created
Dec 17, 2025
Last Updated (Store)
Feb 15, 2026
Last Scraped
Jun 7, 2026
Website
—
Support URL
—

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Data sourced from the Chrome Web Store · last verified Jun 7, 2026.