Generate Data
Faker
DataConstruct
Beeceptor
Fake Data
ExtendsClass JSON Generator
Smock-it
A realistic data generator to test your app

Kromio.ai
ManifestGo.app
Plasmo
Chrome Extension Kit
Extensionator
Manus AI
bolt.new
Like Lovable, but for Chrome extensions
Which is more popular?
Based on our record, Mockaroo seems to be more popular. It has been mentioned 27 times since March 2021.
Website, pricing, platforms and company facts side by side.
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What each product offers, as listed by its team.

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Best Free Sample Data Generator - Mockaroo.com
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Recommendations tracked on public social media and blogs since March 2021.

If you give it the rules to generate something, why can't it generate it? That's what something like Mockaroo[0] does. It's just more formal. That's pretty much what LLM training does, extracting patterns from a huge corpus of text. Then... - Source: Hacker News / over 1 year ago
A quick way to test this out is to use a tool like Mockaroo to generate some test data and then have a Glue Crawler analyse the data in S3 and create the required data catalog entries. - Source: dev.to / over 2 years ago
Mockaroo — Mockaroo lets you generate realistic test data in CSV, JSON, SQL, and Excel formats. You can also create mocks for back-end API. - Source: dev.to / over 2 years ago
Tracking PlugThis since Jul 2026.
When comparing Mockaroo and PlugThis, you can also consider the following products.

GenerateData.com: free, GNU-licensed, random custom data generator for testing software
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Build Chrome extensions instantly with AI. No coding required. Generate, revise, and download professional browser extensions in minutes. Free to start.
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Faker is a PHP library that generates fake data for you
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From idea to live Chrome Extension in 2 minutes.
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