
JSON Formatter & Validator
DevTools Advanced
JSONFormatter.org
FreeFormatter
JSON Editor Online
SmallDevTools
TheDevTools
FOSS tools for developers
RGBlind.com
ColorBlind-Test.io
ColorBlindTest.us
Sight-Check
Venngage WCAG Color Contrast Checker
Visual Field Test
Free online Ishihara color blindness screening test in 13 languages. Instant severity result, downloadable PDF report, and an embeddable widget. No sign-up, no email. Screens for red-green color vision deficiency, not a medical diagnosis.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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IT
Ishihara Test
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| Website | developertools.tech | ishiharatest.com |
| Pricing | ||
| Company | — | Startup from Slovakia |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of DeveloperTools.Tech yet.
IshiharaTest.com is a free, no-sign-up online Ishihara color blindness screening test. Based on the classic Ishihara plate method, it gives a fast, private indication of whether you may have a red-green color vision deficiency, along with a difficulty breakdown and a downloadable PDF report. It...
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Free color accessibility toolkit with color blindness simulators, WCAG contrast checker, and accessible palette generator for designers and developers.
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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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A digitalized color blind test for adults and kids. This tool provides accurate results as it follows all clinical procedures. Taking a test here will save you time and money as you do not need to visit a doctor.
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