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StatusCake
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Site monitoring
Uptime Doctor
Reliable alerts when your website goes down.

devtoolz.dev
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Free browser-based tools for formatting, encoding, decoding, conversion, generators and everyday software development tasks.

Which is more popular?
Based on our record, OnlineOrNot seems to be more popular. It has been mentioned 73 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | onlineornot.com | developertoolbox.tech |
| Pricing | — | |
| Company | Startup from France · 1 - 9 employees · 2021 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Monitor your websites, APIs, cron jobs & scheduled tasks, Get immediate alerts via Email, SMS, Slack, PagerDuty (+ more).
Developer Tool Box is a free collection of browser-based developer utilities for everyday software development. It provides tools for JSON formatting, Base64 conversion, UUID generation, URL encoding, hashing, and more, with additional utilities covering crypto, web, development, networking,...
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.


Overall verdict
Why this product is good
Recommended for
No analysis of DeveloperToolBox.tech yet.
Walkthroughs and reviews on video.
Monitor a Website with OnlineOrNot
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How often each product is chosen within a category, 0–100% relative to the other.


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


Still OnlineOrNot (https://onlineornot.com/), 5.5 years on. Most recently I shipped an MCP server (w/ OAuth sign-in) recently to expose the API a bit better to agents, a TypeScript SDK and rewrote the CLI to use it. Just before LLMs... - Source: Hacker News / 18 days ago
Still OnlineOrNot (https://onlineornot.com/) - I've been working on adding more and more configurability to the browser checks feature. More recently, I've made it so you can drop your existing playwright test suites into the code... - Source: Hacker News / 6 months ago
I've been celebrating five years of working on OnlineOrNot (https://onlineornot.com/) by adding more features for teams that build software: - 2FA, PassKey, and password-based login for folks that hate magic links - Moved my entire API... - Source: Hacker News / 7 months ago
Tracking DeveloperToolBox.tech since Sep 2026.
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