CodeFactor.io
JSLint
Codacy
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textlint
Prettier
Online Javascript Validator validates javascript code and find errors and warnings that can be fixed. See real time validation of your javascript code as you type.

Toolmetry.pro
calculator.net
Ahrefs
iLoveIMG
Canva
BareMetrics
TinyPNG
free tools that work in your browser — AI face shape detector, sunglasses analyzer, body shape calculator, image compressor &much more free tools Private, no sign-up.

Which is more popular?
Based on our record, Javascript Validator seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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JV
Javascript Validator
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| Website | beautifytools.com | profreetools.online |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from Pakistan |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Javascript Validator yet.
PRO FreeTools is a growing suite of free, privacy-first web utilities and AI-powered tools. Our collection helps users with everyday tasks like discovering their face shape, finding the most flattering sunglasses, calculating body shape and measurements, compressing images to exact file sizes,...
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Recommendations tracked on public social media and blogs since March 2021.

Try pasting your code into a validator to see if you don't have a typo somewhere: https://beautifytools.com/javascript-validator.php. Source: over 4 years ago
So everything works fine the way I see it and that error only comes up after a few clicks. Since I'm not a js wizard I did put your script code into a javascript validator and it looks like you're missing a couple of semi colons here and... Source: almost 5 years ago
Tracking PRO Free Tools Online since Jun 2026.
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