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

Airlock
ClearLock
DeviceLock DLP
Hacksy by Decoded
Symantec Data Loss Prevention
Detect and block unauthorized AI use before sensitive data leaks

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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Mockaroo
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| Website | mockaroo.com | shadowlock.io |
| Pricing | ||
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Mockaroo yet.
ShadowLock is a shadow AI detection and governance platform that gives MSPs and IT teams real-time visibility and control over how employees use AI tools, before sensitive data leaves the endpoint. It covers the blind spots managed-device controls miss: browser extensions, desktop AI apps, local...
What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.

No analysis of Mockaroo yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Best Free Sample Data Generator - Mockaroo.com
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How often each product is chosen within a category, 0–100% relative to the other.

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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 ShadowLock since Jun 2026.
When comparing Mockaroo and ShadowLock, you can also consider the following products.

GenerateData.com: free, GNU-licensed, random custom data generator for testing software
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Monitor, audit, and intercept every agent action.
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Faker is a PHP library that generates fake data for you
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DeviceLock provides DLP solutions protecting organizations from data leak threats.
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