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Date calculator

Chrome extension by serg.ch · Productivity · Workflow

  • Established publisher

A Chrome extension in Productivity · Workflow with 2 000 users, a small but real audience.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
2 000
Rating
4.7 (3 ratings)
Users, last 15 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
0.1.1
Updated in the store
2024-03-03
Published
2024-01-10
Manifest
V3
Browser access
1 permission, 1 site pattern

How it has moved

Users
unchanged since 01.09
2k · 2 readings
  1. 2026-09-012k
  2. 2026-09-152k
Rating
unchanged since 01.09
reviewsrating 4.67 · 2 readings
  1. 2026-09-01reviews3rating4.67
  2. 2026-09-15reviews3rating4.67
Users
unchanged since 01.09
2k · 2 readings
  1. 2026-09-012k
  2. 2026-09-152k
Rating
unchanged since 01.09
reviewsrating 4.67 · 2 readings
  1. 2026-09-01reviews3rating4.67
  2. 2026-09-15reviews3rating4.67

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

serg.ch publishes 3 listings we track, 12k users between them. Listed website: date-calculator.ru.

  1. Reopen closed tab serg.ch · Productivity · Tools · published 2024-01-04 10k users ★ 4.1
  2. Due date calculator serg.ch · Productivity · Tools · published 2023-12-25 34 users ★ 5.0

Like this one

Listings the catalog judges closest in what they say they do.

  1. Date Tools Describes nearly the same job, smaller audience 40 users
  2. Date Jump Describes nearly the same job, smaller audience 15 users
  3. Days Between Calculator Describes nearly the same job, smaller audience 958 users ★ 5.0
  4. Date Difference Calculator Describes nearly the same job, smaller audience 26 users
  5. Date to Date Calculator Describes nearly the same job, smaller audience 94 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.