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

Chat With Your Database
Connect PostgreSQL, MySQL, or MariaDB and ask questions in plain English. Marillo.ai returns answers, CSV tables, and charts in seconds.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | developertools.tech | marillo.ai |
| Pricing | ||
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of DeveloperTools.Tech yet.
Marillo.ai connects to PostgreSQL, MySQL, and MariaDB, understands your schema and relationships, and turns plain-language questions into accurate answers, CSV-ready tables, and visual charts.
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 Marillo.ai. 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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Freeformatter is a platform that contains free online tools for developers, including formatters (json, html, xml, sql, etc.), minifiers (css, javascript), compactors, validators, and much more.
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View, edit and format JSON online
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