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

Artefact
Uselink
Publish and share AI-generated HTML artifacts in seconds.

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 | havetml.com |
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In their own words, as submitted to SaaSHub.

No description of Mockaroo yet.
HaveTML is infrastructure for AI-generated artifacts. Upload HTML/MD/YAML/JSON, get a permanent sandboxed share link, then review with pinned comments, versions, projects, and access controls.
What each product offers, as listed by its team.

Possible disadvantages
Walkthroughs and reviews on video.
Best Free Sample Data Generator - Mockaroo.com
More videos
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How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing Mockaroo and HaveTML.
HaveTML's answer:
HaveTML is infrastructure for AI-generated artifacts. Upload HTML/MD/YAML/JSON, get a permanent sandboxed share link, then review with pinned comments, versions, projects, and access controls.
Share your experience with using Mockaroo and HaveTML. 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 HaveTML since Jul 2026.
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Unblock yourself from API dependencies, and build & integrate with APIs fast. Beeceptor helps you build a mock Rest API in a few seconds.
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