
SQLite Viewer
SQL Fiddle
DB Fiddle
SQLite Query
Code for SQLite3
Create SQLite databases and execute SQL directly in your browser.

phpize.online
SQL Fiddle
DB Fiddle
Online SQL Editor
db<>fiddle
Rextester
SQLZOO
SQLize.online is a free online SQL environment for quickly running, experimenting with and sharing SQL code.

Which is more popular?
Based on our record, sqlize.online seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | fasttools.dev | sqlize.online |
| Company | 2026 | — |
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What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
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 sqlize.online yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using FastTools SQLite Playground and sqlize.online. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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Simple way to run SQL and test it in different DB versions.
Recommendations tracked on public social media and blogs since March 2021.


Tracking FastTools SQLite Playground since Mar 2026.
If you want to experiment with ROWS, RANGE, and GROUPS directly, sqlize.online is the easiest place to test queries quickly. If you want a more structured way to study SQL through lessons and practice, I publish that work on sqltest.online. - Source: dev.to / 7 months ago
Elements into fully functional SQL editors. Powered by the SQLize.online engine, it allows users to write and execute SQL against real database instances without leaving your page. Key Features 20+ Database Engines:... - Source: dev.to / 8 months ago
Just replace 'start_date' and 'end_date' with your desired start and end dates and try it on SQLize.online. - Source: dev.to / about 3 years ago
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