
JSON Formatter & Validator
DevTools Advanced
JSONFormatter.org
FreeFormatter
JSON Editor Online
SmallDevTools
TheDevTools
FOSS tools for developers

Chrome Extension Kit
ChromeExtensions.org
extension.dev
Extension Police
Chrome extension pre-submission validator. Catch rejection errors before Google does.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | developertools.tech | extguard.online |
| Pricing | ||
| Company | — | Startup from India · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of DeveloperTools.Tech yet.
What is ExtGuard? ExtGuard is a full pipeline for Chrome extension builders. Generate extension ideas, build extensions with AI, scan for Chrome Web Store issues, and improve approval chances before submission — all in one platform. I built ExtGuard after wasting days on Chrome Web Store...
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
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 DeveloperTools.Tech and ExtGuard.online. For example, how are they different and which one is better?
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Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON
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The first low-code Chrome Extension builder
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