
Mockaroo
JSON Generator
MockTurtle.net
ExtendsClass's JSON generator allows to generate random JSON data from a template.

LetterStream
PostRight
Click2Mail
Lob
PrintPigeon
Postsnap
PC2Paper
Send business letters online—one letter or a full batch. Upload a PDF or recipient CSV; Postmarkr verifies addresses, previews, prints, and mails US First-Class letters.
Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | extendsclass.com | postmarkr.com |
| Pricing | ||
| Company | 2019 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


This free online tool allows to generate JSON dataset. You can generate multiple JSON files exported to a zip archive. No limits. No registration.
Postmarkr is an online print-and-mail service for sending business letters through USPS. Upload a finished PDF or import a recipient list, verify addresses, review a true-to-print preview and exact price, then Postmarkr prints and mails each letter via USPS First-Class Mail. Send one letter or a...
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 ExtendsClass JSON Generator yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using ExtendsClass JSON Generator and Postmarkr. For example, how are they different and which one is better?
When comparing ExtendsClass JSON Generator and Postmarkr, you can also consider the following products.
A realistic data generator to test your app
Compare Mockaroo to ExtendsClass JSON Generator or Postmarkr:

Use our website to get your mailing out quickly. We offer First-Class Mail and postcards, Standard Mail also known as Marketing Mail, Certified Mail and FedEx overnight letters. Visit our website: LetterStream.com to get started today!
Compare LetterStream to ExtendsClass JSON Generator or Postmarkr:
Create mock and sample JSON using a powerful template syntax
Compare JSON Generator to ExtendsClass JSON Generator or Postmarkr:

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.
Compare PostRight to ExtendsClass JSON Generator or Postmarkr:

Generate realistic random JSON data through a simple and intuitive GUI.
Compare MockTurtle.net to ExtendsClass JSON Generator or Postmarkr:

Mail outsourcing on-demand.
Compare Click2Mail to ExtendsClass JSON Generator or Postmarkr: