Extension Tracker

Melanto Calculator

6,000 users Rated 4.17 from 52 ratings Last updated 23 Feb 2026

By vpChar Live in the Chrome Web Store olhcajgllkpacioibcjiniefblpmpech Search Google ↗ Last checked 10 Nov 2026, 23:02 UTC

The listing

What the Chrome Web Store shows, as of the last check

One different scientific calculator...Summary from the listing
Developer
vpChar
Enhanced Safe Browsing
Trusted. What this means →
Category
Productivity › Workflow & Planning
First published
3 Dec 2011
Last updated
23 Feb 2026
Version
4.1
Size
633 KiB
Minimum Chrome
88
Languages
1 language

English

Website
vpchar.com
Support page
http://www.vpchar.com/calculator_extension.html
See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store
6K6.5K7KTracking began 27 Sep 202627 Sep4 Oct11 Oct18 Oct25 Oct1 Nov8 Nov2026-09-27: 6,000 users2026-10-01: 6,000 users2026-10-08: 6,000 users2026-10-16: 7,000 users2026-10-22: 6,000 users2026-10-29: 6,000 users2026-11-04: 6,000 users2026-11-10: 6,000 users6,0006K6.5K7KTracking began27 Sep18 Oct8 Nov2026-09-27: 6,000 users2026-10-01: 6,000 users2026-10-08: 6,000 users2026-10-16: 7,000 users2026-10-22: 6,000 users2026-10-29: 6,000 users2026-11-04: 6,000 users2026-11-10: 6,000 users6K
Average rating
4.104.2027 Sep11 Oct25 Oct8 Nov4.174.104.2027 Sep18 Oct8 Nov4.17
Number of ratings
51525327 Sep11 Oct25 Oct8 Nov5251525327 Sep18 Oct8 Nov52
New version One point per check. Source: the extension's public Chrome Web Store listing.
Show the numbers
CheckedUsersRatingRatings
2026-11-106,0004.1752
2026-11-046,0004.1752
2026-10-296,0004.1752
2026-10-226,0004.1752
2026-10-167,0004.1752
2026-10-086,0004.1752
2026-10-016,0004.1752
2026-09-276,0004.1752
Users, 7 days
No change
since a week ago
Users, 30 days
No change
+0.0%
Rank
#9,309
by users, of 292,131 extensions
In its category
#2,931
of 49,294 in Workflow & Planning

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

Developer history

Moves to another publisher account and new contact emails, newest first

No move to another account and no new contact email since tracking began on 27 Sep 2026.

We know contact emails only by a keyed hash, so they're never shown. Recent account and contact changes →

What it can access

From the extension's manifest, in plain language

Browser features
  • clipboardReadRead what you copy
  • clipboardWriteChange what's in your clipboard
  • storageSave settings and data in your browser

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
Bulk URL Opener Extension300,000 4.61128 Workflow & Planning
Copy URLs50,000 4.5149 Workflow & Planning
Most Visited (Top Sites)4,000 3.9213 Tools
Cover Prompt33 –– Workflow & Planning
All 5 extensions by vpChar →

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 10 Nov 2026, 23:02 UTC; next check around 17 Nov 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Melanto Calculator” (olhcajgllkpacioibcjiniefblpmpech). Chrome Web Store data, last checked 2026-11-10. https://extensiontracker.com/extension/olhcajgllkpacioibcjiniefblpmpech. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_olhcajgllkpacioibcjiniefblpmpech,
  title   = {Melanto Calculator (olhcajgllkpacioibcjiniefblpmpech)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-10},
  url     = {https://extensiontracker.com/extension/olhcajgllkpacioibcjiniefblpmpech},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

Browse

Top lists

Productivity

Lifestyle

Make Chrome Yours