
Certly.dev
CertsMonitor
CertNotify
TokenTimer.ch
CertPilot.app
Cert Monitor
NinjaOne
SSL/TLS certificate monitoring with no sign-up required.

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

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 | certchime.com | generatedata.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from the United States · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


CertChime monitors your SSL/TLS certificates and reminds you before they expire — without requiring an account. Type a domain to instantly see the certificate status, issuer, and days remaining. Leave your email to get reminders at 30, 14, 7, and 1 day before expiry. Built for developers and...
No description of Generate Data yet.
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
No analysis of Generate Data yet.
Walkthroughs and reviews on video.
No CertChime videos yet. You could help us improve this page by suggesting one.
Generate Data Science/Data Analysis Report of your DataSet in 5 Minutes
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CertChime and Generate Data.
CertChime's answer
Independent developers, small teams, and web agencies managing multiple client sites who want simple SSL certificate expiry monitoring without the overhead of enterprise tools.
CertChime's answer
No sign-up required to check a certificate or set up reminders. Most tools require creating an account before you can do anything useful. CertChime gets out of your way.
CertChime's answer
CertChime is built for developers who just want certificate monitoring — not a full infrastructure observability platform. It's lighter, faster to set up, and includes a public status page you can share with clients.
CertChime's answer
A certificate expired on one of my services because the cron job monitoring it was running on a server I'd since migrated away from. A user noticed before I did. I looked for a simple tool to prevent this — everything I found required sign-up and came bundled with features I didn't need. So I built CertChime.
CertChime's answer
Next.js, React, AWS Lambda, Cloudflare.
Share your experience with using CertChime and Generate Data. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking CertChime since Jun 2026.
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
When comparing CertChime and Generate Data, you can also consider the following products.

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Monitor SSL certificates, domain expiry, DNS health, and security headers with real-time alerts.
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Data generator that can create a table filled with pseudo-random content.
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