Flex Subnetting - Subnet Calculator icon

Flex Subnetting - Subnet Calculator

by Eddy Kwok · Developer Tools
FeaturedManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

IPv4 VLSM Subnet Calculator

Users
240
−10 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#59K
#49K among extensions
Version
1.3.3
updated 26 Sep 2021

Users

monthly, 3 years
30140250Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 240 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
001Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Flex Subnetting - Subnet Calculator

Calculate, plan and manage complex subnets like a Pro. A must have tool for Cloud Solution Architects and Network Engineers. Features: - Support Classless Addressing (VLSM) - Automatic tagging ( Public/Private, etc ) - Customisable theme - Export to CSV - Save and Load Projects - Split and Merge Preview To support this project, please consider to buy me a cup of coffee https://www.buymeacoffee.com/eddykwok Disclaimer: While we have made every attempt to ensure the application to work correctly, Flex Subnetting Author/Developer is not responsible for any errors or omissions, or for the results obtained from the use of this product. All information is provided "as is", with no guarantee of completeness, accuracy, timeliness or of the results obtained from the use of this information, and without warranty of any kind, express or implied, including but not limited to warranties of performance, merchantability and fitness for a particular purpose. In no event will Flex Subnetting Author/Developer, company or employees thereof be liable to you or anyone else for any decision made or action taken in reliance on the information provided by this application.

Growth

WindowUsersChangeRatingsRating
7 days−17−6.6%00.00
30 days−10−4.0%00.00
6 months+32+15.4%00.00
1 year+48+25.0%00.00

Version history

11 versions recorded
1.3.326 Sep 2021
1.3.224 Sep 2021
1.2.621 Sep 2021
1.2.511 Sep 2021
1.2.46 Nov 2020
1.2.328 Oct 2020
1.2.222 Oct 2020
1.2.122 Sep 2020

Details

Category
Developer Tools
First seen
7 Jul 2020
Size
239 KB
Languages
de, en, id, es, fr, iw, ar, zh-CN
Pricing
Free
Extension ID
eddiehgpgoegchpkdimdbckecfcienel

Permissions and risk

Minimal riskimpact 2, likelihood 0
Permissions
storageidentity
Site access
https://www.googleapis.com/

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