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Cloudy Calculator icon

Cloudy Calculator

An Updated & Revived Cloudy Calculator

Users847Current public install base
Rating4.7Store average score
Reviews24Public review volume
Manifest versionV3Extension platform version
7-day growth+35Net users gained this week
7-day growth rate+4.31%Relative weekly velocity
Preview

Cloudy Calculator Media preview

1 assets
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User growth trend

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User Growth Over Time

8098198308408512026年7月16日2026年7月19日2026年7月22日Latest: 847
Rating trend

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7-day rating change

Start
4.67
Latest
4.67
7-day rating change
0.00
4.574.624.674.724.772026年7月16日2026年7月19日2026年7月22日Latest: 4.67
2026年7月16日2026年7月22日
Growth overview

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1-day growthGrowing
+13+1.56%
7-day growthGrowing
+35+4.31%
30-day growthGrowing
+82+10.7%
Technical snapshot

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Version1.0.18
ManifestV3
Size117KiB
Languages1English (United States)
Published
Store updated
Last crawled
English (United States)
Overview

Product summary

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

Cloudy Calculator – Updated & Revived

The beloved Cloudy Calculator Chrome extension is back — rebuilt from scratch to work entirely offline, with improved unit handling, better plural recognition, and fixes for mixed-unit arithmetic. This update preserves the original’s simplicity and power while modernizing its internals for accuracy and reliability.

About this Update

• Based on the original Cloudy Calculator, now fully offline

• 100% pass rate on all 395 comprehensive tests from comprehensive_tests.html

Reviews

Recent review snapshot

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Store average score4.7Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.6Average computed only from synced review bodies below
Reviews with text19Synced review bodies
Total ratings / reviews24Chrome Web Store public rating/review count

Store average score: 4.7. 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.

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4
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Ryan Knoll2026年7月8日
5

Can't use Chrome without it! Perfect calculator.

Version 1.0.26Language en
Tiva Eftekhar2026年4月9日
5

It was working fine until version 1.0.19. Since then, the calculation has become very unreliable and no longer functions as a basic calculator. Currently, 5/2=3 ,or return the same value for some multiplication (e.g. 70*1.44, 80*1.44, or 90*1.44 all return 100). It looks like the decimal has been removed, and it is doing some strange rounding. I emailed the developer but received no response. It has been a week since it broke, and there is still no fix. You may want to use another extension until this is fixed. UPDATE: Version 1.0.22 : was released and still has the same issue. UPDATE: Version 1.0.23 : improved the issue, but it is still not fully fixed. In the previous broken version, calculations such as 5/2 were showing 3. In this version, 5/2 is now showing 2.500000000000001 instead of 2.5, so there is still a precision/rounding problem. I appreciate that you maintain this extension for free, and thank you for working on it. For context, I sent several emails and also suggested what I believed was the cause of the issue and a possible fix. A calculator is a very sensitive tool because many people rely on it heavily, and even very small errors can have serious consequences, especially for financial use. Because of that, I believe new versions should be tested much more carefully before release. One suggestion that would make the extension even better would be an option in Settings to control the decimal limit. You are clearly putting effort into it, and I appreciate that. I hope the remaining issue can be fully resolved soon. UPDATE: 1.0.24: There is still a rounding issue. Try 5/3=1.7 or 11/3=3.7 I also found a few issues with version 1.0.19, so I have to test the older version now. UPDATE: 1.0.25: Rounding issue is fixed.

Version 1.0.25Language en
2 helpful · 0 not helpful
John Ulep2026年3月25日
1

I love using this extension as part of my work but something recently changed that I don't like, its now returning inaccurate result when decimals are involved. Example: 183.95 / 13625.01 it should return a result of 0.01350090752 or 1.35% when converted to percentage but the extension now only shows 0.01 which is inaccurate. Why only allow 2 decimal places? There are decimal places that can be converted to percentage so returning all the result of a decimal should be allowed and let us users decide which part of the number we want to retain.

Version 1.0.19Language en
Qasim Shah2026年3月21日
4

Great calculator extension but has been automatically disabled by the browser because you increased your request for app permissions - why are you now asking to "change data" on a bunch of sites including google.com?

Version 1.0.18Language en
Jake Yemma2026年3月10日
4

This is one of my most used extensions but as others have mentioned something changed recently where it has stopped returning answers with any amount of decimal places. only whole numbers. What changed?

Version 1.0.15Language en
1 helpful · 0 not helpful
mukul dev2026年3月8日
5

Great tool, but needs a fix for division accuracy. "I really enjoy using this calculator, but I noticed an issue with the division function. For example, when calculating 100 / 14, the app returns 7 instead of the correct decimal value of 7.14 . It seems to be rounding down to the nearest whole number. Improving the decimal precision would make this a 5-star app!"

Version 1.0.15Language en
2 helpful · 0 not helpful
Ian Jermyn2026年3月5日
5

Update April 4 2026: the decimal point issue is back! I see a message from March 30 saying this will be fixed in an update. Great extension in general, but there are two serious issues (hence 1-star - will raise): 1. When I pop the calculator window out, the window attached to the extension remains, which defeats the purpose of popping it out to increase visibility. 2. Today, I have found errors, as if the number of decimal places is fixed to zero: e.g. pi = 3; e = 3; exp(3) = e^{3} = 20; and so on. Have I accidentally set a zero number of decimal places, or is this a bug? Thank you Perneet. Issues were fixed promptly. Updated from 1 star to 5 stars. Very useful extensions with no serious competition.

Version 1.0.21Language en
2 helpful · 2 not helpful
Fjordd2025年10月27日
5

long time user of cloudy calculator, glad to have it back

Version 1.0.13Language en
Chi Fung Hung2025年9月20日
5

I love this calculator so much. Thanks for getting it updated!!!

Version 1.0.11Language en
Graham (gsmith463)2025年9月19日
5

It's finally back!!! Woo Hoo! I've missed it so much. Thanks for getting it updated!

Version 1.0.11Language en