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

UptimeRobot
Oh Dear!
StatusCake
Pingdom
Uptime.com
Uptime Kuma
WebGazer
PingPing monitors your website and SSL certificates every 30 seconds - 10x faster than most tools. Get instant alerts by email, Slack, or webhook the moment your site goes down. Simple setup, no bloat. Be the first to know, not the last to find out.

Which is more popular?
Based on our record, PingPing seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | extendsclass.com | pingping.io |
| Pricing | ||
| Platforms | — | |
| Company | 2019 | Startup from the Netherlands · 1 - 9 employees |
| 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.
PingPing is uptime and SSL certificate monitoring built for speed and simplicity. It checks your websites every 30 seconds - 10x faster than the 5-minute intervals most monitoring tools default to - so you find out about downtime before your customers do. Why 30-second monitoring matters Most...
What each product offers, as listed by its team.


Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing ExtendsClass JSON Generator and PingPing.
PingPing's answer:
Speed. PingPing checks your websites every 30 seconds - that's 10x faster than the 5-minute default most monitoring tools offer. While other services might leave you unaware of downtime for up to 5 minutes, PingPing alerts you in under a minute. Combined with radical simplicity (no dashboards full of features you'll never touch), it's monitoring stripped down to what actually matters: knowing your site is down before your customers do.
PingPing's answer:
Three reasons: - First, 30-second check intervals come standard - competitors like UptimeRobot and StatusCake lock faster checks behind expensive tiers or don't offer them at all. - Second, PingPing is deliberately simple. No feature bloat, no complex onboarding, no enterprise sales calls. Set up your first monitor in under 60 seconds. - Third, unlimited team members on every plan - no per-seat pricing surprises as your team grows.
If you want the fastest possible alerts without the complexity of tools built for enterprise IT departments, PingPing is the straightforward choice.
PingPing's answer:
Developers, freelancers, agencies, and small SaaS teams who manage websites and need to know immediately when something breaks. They're technically capable but time-poor - they don't want to configure a complex monitoring stack, they just want fast, reliable downtime and SSL alerts delivered to the channels they already use (Slack, email, Discord, webhooks). Many manage multiple client sites and need a tool that's simple enough to set up per project without ongoing maintenance.
PingPing's answer:
Laravel, Vue.js, Alpine.js, MariaDB, Docker, Paddle (payments), and for infrastructure and multi-location monitoring support Hetzner and Vultr.
Share your experience with using ExtendsClass JSON Generator and PingPing. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking ExtendsClass JSON Generator since Mar 2021.
I used https://pingping.io which notified me around 30 secs after the outage started. Source: over 4 years ago
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