DataDuck - Format and create test data offline icon

DataDuck - Format and create test data offline

by Ekaterina Egorova · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Generate Payment Info, Texts, Files and format Json Offline with DataDuck.

Users
29
+2 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
8
0 in 30 days
Store rank
#132K
#110K among extensions
Version
1.2.0
updated 27 May 2025

Users

monthly, 2 years
02142Jan 2025Dec 2025Oct 2026
Latest, 16 Oct 2026: 29 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years
048Jan 2025Dec 2025Oct 2026
Latest, 16 Oct 2026: 8 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 DataDuck - Format and create test data offline

DataDuck is a Chrome extension with multiple functionalities to ease test data generation for testers, QA engineers, and developers. With its simple interface, you can generate realistic and multilingual data for your apps instantly without any effort. Features: Multilingual Text Generation > Generate random text in different languages with dynamic lengths (up to 2500 characters) to test multilingual content and interfaces. Realistic Personal Data > Create real-looking names, birthdates, addresses, phone numbers, and email addresses for various countries and cultures in an instant. Payment Data Simulation > Create realistic payment details like card numbers, BIC, IBAN, routing numbers (where applicable), expiry dates, and CVV for finance testing. JSON Formatting & Validation > Format and validate JSON data with built-in tools to ensure your data is well-formatted. File Generation > Create test files as large as 30 MB in size with dynamic content generation that conserves memory by streaming the data in chunks. User-Friendly Interface > Enjoy a minimalistic and simplified experience that allows you to create a wide range of test data within a few clicks. Whether you need to populate forms with actual information or simulate complex financial transactions, DataDuck is a one-stop solution to accelerate your development and testing cycles.

Growth

WindowUsersChangeRatingsRating
7 days+3+11.5%00.00
30 days+2+7.4%00.00
6 months+8+38.1%00.00
1 year+2+7.4%00.00

Chrome Web Store search rankings

Where DataDuck - Format and create test data offline appears when people search the store, with the 30 day change
Search phrasePosition30 days
format#69+10

Version history

5 versions recorded
1.2.027 May 2025
1.1.426 May 2025
1.1.14 Mar 2025
1.116 Feb 2025
1.019 Jan 2025

Details

Category
Developer Tools
First seen
19 Jan 2025
Size
911 KB
Languages
en
Pricing
Free
Extension ID
cafomnpnbcddegfobadodkodhpiefeke

Permissions and risk

Minimal riskimpact 0, likelihood 1
Permissions
storage

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