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

PrintPigeon
SendLettersOnline.co.uk
Mailform
Postsnap
ClickPigeon
PC2Paper
MailThis
Send any letter by Royal Mail from £2.49. Complaints, legal notices, MP letters and more — PostRight prints and posts it for you. No printer needed.

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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M
Mockaroo
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|---|---|---|
| Website | mockaroo.com | postright.co.uk |
| Pricing | ||
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Mockaroo yet.
PostRight is a UK hybrid mail platform that lets anyone send formal letters by Royal Mail without a printer. Choose from over 17 professionally written templates covering complaint letters, legal notices, refund disputes, data subject access requests, letters to your MP, and more — or write your...
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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 PostRight since Apr 2026.
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GenerateData.com: free, GNU-licensed, random custom data generator for testing software
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Faker is a PHP library that generates fake data for you
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Send letters online from anywhere in the UK. We print, fold, frank and post via Royal Mail - from £2.86. No printer, no stamps, no queuing.
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Mailform is the easiest way to print and mail documents online.
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