Generate Data
Faker
DataConstruct
Beeceptor
Fake Data
ExtendsClass JSON Generator
Smock-it
A realistic data generator to test your app
OpenStreetMap
Open Data Inception
Our World In Data
London Datastore
Work With Data
PublicAPIs
Premise
Instant access to all* open data from a single place

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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Vacuum Data
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| Website | mockaroo.com | tryvacuum.com |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.
Possible disadvantages
No features have been listed yet.
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.
Share your experience with using Mockaroo and Vacuum Data. For example, how are they different and which one is better?
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 Vacuum Data since Mar 2021.
When comparing Mockaroo and Vacuum Data, you can also consider the following products.

GenerateData.com: free, GNU-licensed, random custom data generator for testing software
Compare Generate Data to Mockaroo or Vacuum Data:

OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
Compare OpenStreetMap to Mockaroo or Vacuum Data:

Faker is a PHP library that generates fake data for you
Compare Faker to Mockaroo or Vacuum Data:

2700+ Open data portals around the World
Compare Open Data Inception to Mockaroo or Vacuum Data:


A web publication showcasing empirical research and data
Compare Our World In Data to Mockaroo or Vacuum Data: