
Mockaroo
FakerBox
Data Creator
Dummy File Generator
DDL to Data
RandomPhoneNumber.online
Nodeflip
GenerateData.com: free, GNU-licensed, random custom data generator for testing software

CertChime
CertNotify
Certmon.net
Domain Trust Watch
CertsMonitor
TokenTimer.ch
Nyrolo
Monitor SSL certificates, domain expiry, and DNS/DNSSEC across all your sites. Track every DNS record change and get alerted on Slack, email, or webhook before anything lapses — so you never find out from your customers.

Which is more popular?
Based on our record, Generate Data seems to be more popular. It has been mentioned 14 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | generatedata.com | certly.dev |
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What each product offers, as listed by its team.


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


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Overall verdict
Why this product is good
Recommended for
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Generate Data Science/Data Analysis Report of your DataSet in 5 Minutes
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Generate Data and Certly.dev. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


When you're learning SQL or testing queries, having access to realistic mock data is essential. Tools like Mockaroo and GenerateData can quickly create large datasets that you can upload into your database. You can define custom fields... - Source: dev.to / over 1 year ago
Since you will almost certainly need data to work on, I recommend generatedata.com. Source: over 3 years ago
Like this one I just found randomly. https://generatedata.com/. Source: over 3 years ago
Tracking Certly.dev since Jun 2026.
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