NSFWJS
It's not perfect, but NSFWJS is pretty accurate in quickly identifying unseemly images.
At a glance
Starts at
Free
No paid plan found on the vendor's site, September 2026.
Free tier
No
Platforms
Web, Node.js
Best for
Developers needing quick image filtering
Not for
Content Creators With High-Quality Imagery
3.8 out of 5
Scored by a Toolio reviewer after real useOur verdict
NSFWJS helps with basic image filtering. It’s easy to use and integrates well for client-side image checks. However, it might be too simple for more complex needs or higher accuracy requirements.
✓What it does well
Quick ImplementationEasy to integrate into existing projects.
Client-Side FilteringPerforms filtering on the user’s device, reducing server load.
Lightweight LibraryMinimal impact on page loading times due to its small size.
✕Where it falls short
Low Accuracy in Complex ImagesMay misidentify images that are ambiguous or borderline cases.
Limited Feature SetDoes not offer advanced features like custom training data.
Performance VariabilitySpeed and accuracy can vary based on image quality and content type.
Key features
Simple APIEasy to use with a straightforward interface.
Open SourceAvailable as open-source code, allowing for customization if needed.
Regular UpdatesReceives frequent updates and improvements from the community.
Customizable FiltersAllows users to tweak and create custom image filters.