MockFill – Autofill Forms with Mock/Fake Data icon

MockFill – Autofill Forms with Mock/Fake Data

Established publisherManifest V3 in_app
View in Chrome Web Store Data as of 15 Oct 2026

A web form filler that autofills page inputs with realistic dummy data for testing.

Users
1,000
+37 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
5
0 in 30 days
Store rank
#28K
#23K among extensions
Version
2.3.5
updated 24 Mar 2026

Users

monthly, 14 months
01,5003,000Aug 2025Apr 2026Oct 2026
Latest, 15 Oct 2026: 1,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 14 months
025Aug 2025Apr 2026Oct 2026
Latest, 15 Oct 2026: 5 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 MockFill – Autofill Forms with Mock/Fake Data

MockFill – Autofill Forms with Mock Data (Chrome Extension) MockFill is a lightweight autofill Chrome extension built for developers, QA engineers, and designers who frequently test web forms. Instead of manually typing fake data again and again, MockFill lets you autofill forms instantly with realistic test data—right inside your browser. Whether you’re testing signup forms, debugging validations, or previewing layouts, MockFill helps you fill web forms faster and stay focused on building. ✨ Key Features 🚀 One-Click Form Autofill Instantly autofill entire web forms with smart mock data. 🎯 Smart Field Detection Automatically detects form fields like name, email, phone number, date, address, and more. ⚡ Single Field or Bulk Fill Fill individual inputs or auto populate the entire form at once. 🛠 Works on Any Website Compatible with React, Vue, Angular, and plain HTML forms. 🔒 Private & Secure No tracking, no data collection—everything runs locally in your browser. ✅ Why Install MockFill? If you regularly work with web forms, manual form filling quickly becomes repetitive and slow. MockFill acts as a fake data form filler, helping you test faster without relying on browser autofill or Google autofill settings. With MockFill, you: Save hours of repetitive typing Autofill form data consistently Test forms more efficiently Perfect for frontend developers, QA testers, and product designers who want a better form autofill experience. What's New 🆕? Autofill support of Dropdown(Select HTML and React V2&V2 Select only currently )

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days+37+3.8%00.00
6 months+432+76.1%00.00
1 year+957+2225.6%+30.00

Chrome Web Store search rankings

Where MockFill – Autofill Forms with Mock/Fake Data appears when people search the store, with the 30 day change
Search phrasePosition30 days
mock#16−2

Version history

11 versions recorded
2.3.524 Mar 2026
2.3.423 Mar 2026
2.3.318 Mar 2026
2.3.28 Mar 2026
2.3.116 Jan 2026
2.2.117 Dec 2025
2.2.04 Oct 2025
2.1.130 Sep 2025

Details

Category
Developer Tools
First seen
22 Aug 2025
Size
1.9 MB
Languages
en
Pricing
in_app
Privacy policy
mockfill.vercel.app
Support
mockfill.com
Extension ID
ibaokjdbkpcihbpbpnlilmegbaaijghf

Permissions and risk

Low riskimpact 2, likelihood 1
Permissions
activeTabstoragesidePanel
Site access
http://*/*https://*/*
Can read and change data on every website you visit.

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