AI NSFW Filters & Content Moderation Tools

AI NSFW Filters & Content Moderation Tools

Safe-Mode, Nudity Detection, Content Filtering & AI Guardrail Tools

Explore AI tools for detecting and filtering nudity, explicit content, unsafe images, toxic text and other policy-sensitive material. This directory includes commercial moderation APIs, cloud services, browser filters, open-source projects and LLM guardrail tools.

Category note: This page focuses on safety, moderation and filtering tools. It does not list tools designed to generate nudity or explicit imagery.

1. Sightengine

โญ Popular Moderation API

Type: Image, Video & Text Moderation

Moderate images, videos and text for nudity, sexual content, violence, hate and other unsafe material.

Best For: UGC platforms, marketplaces and social apps
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2. Hive Moderation

๐Ÿง  AI Moderation

Type: Image & Video Safety

AI-powered visual moderation and classification for unsafe, explicit and policy-sensitive content.

Best For: Large-scale platforms and enterprise moderation
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3. WebPurify

๐Ÿ›ก๏ธ AI + Human Review

Type: Content Moderation

Moderation platform combining automated filtering with optional human review for text, images and video.

Best For: Communities, marketplaces and brand-safe content
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4. PicPurify

๐Ÿ” NSFW Detection

Type: Image Moderation API

Detect nudity, suggestive content, gore, weapons, drugs and other unsafe image categories.

Best For: Developers needing image safety APIs
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5. Imagga

๐Ÿ–ผ๏ธ Visual Moderation

Type: Image & Video Moderation

Computer vision platform with adult-content, nudity and visual moderation capabilities.

Best For: Media platforms, apps and image-heavy products
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6. PixLab

โšก Developer API

Type: NSFW Image & Video Detection

Developer-focused computer vision APIs for NSFW detection, image analysis and content classification.

Best For: Developers and SaaS teams
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7. Pixicular

๐ŸŽฏ Explicit Content Detection

Type: Image Safety API

Detect nudity, sexual activity, suggestive content and other unsafe visual categories with confidence scores.

Best For: Image moderation and compliance workflows
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8. CloudAnts

โ˜๏ธ API + Self Hosted

Type: NSFW & Nudity Detection

Content moderation tools for detecting nudity and unsafe images with cloud and self-hosted deployment options.

Best For: Teams needing flexible deployment
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9. Nyckel

๐Ÿงฉ Custom Classifiers

Type: NSFW Classification

Create and deploy custom image and text classifiers, including NSFW and safety filtering use cases.

Best For: Teams building custom moderation models
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10. Cloudmersive

๐Ÿ” Enterprise API

Type: Content Safety APIs

API platform offering image and document moderation, malware checks and content-security functions.

Best For: Enterprise developers and regulated workflows
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11. API4AI NSFW Recognition

๐Ÿ“ท NSFW API

Type: Image Recognition

Prebuilt API for recognizing NSFW content in images and integrating automated safety checks into applications.

Best For: Developers needing quick NSFW screening
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12. ModerateContent

๐Ÿšฆ Simple Moderation

Type: Adult Content Detection

Image moderation service for classifying adult and unsafe visual content for websites and apps.

Best For: Small teams and lightweight moderation
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13. Google Cloud Vision SafeSearch

โ˜๏ธ Google Cloud

Type: SafeSearch Detection

Detect adult, racy, violent and related visual content using Google Cloud Vision SafeSearch.

Best For: Google Cloud users and scalable apps
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14. Amazon Rekognition Moderation

โ˜๏ธ AWS

Type: Image & Video Moderation

Detect unsafe, suggestive and explicit categories in images and videos using Amazon Rekognition.

Best For: AWS users and large-scale moderation
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15. Azure AI Content Safety

โ˜๏ธ Microsoft Azure

Type: Text & Image Safety

Analyze text and images for harmful or unsafe content with configurable safety workflows.

Best For: Microsoft cloud users and enterprise AI
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16. Clarifai

๐Ÿง  AI Platform

Type: Visual & Text Moderation

AI platform with models and workflows for image, video and text classification, moderation and safety.

Best For: Enterprise AI teams and custom pipelines
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17. Eden AI

๐Ÿ”Œ Multi-Provider API

Type: Moderation Gateway

Unified API layer for accessing moderation and AI services from multiple providers through one integration.

Best For: Developers comparing or combining providers
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18. Checkstep

๐Ÿ›ก๏ธ Trust & Safety

Type: AI Content Moderation

Trust and safety platform for moderating user-generated content with automated workflows and human review.

Best For: Online communities and marketplaces
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19. Tremau

โš–๏ธ Trust & Safety Ops

Type: Moderation Platform

Trust and safety operations software for policy enforcement, moderation workflows and online safety compliance.

Best For: Platforms with complex moderation operations
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20. L1ght

๐Ÿšจ Toxicity Detection

Type: Online Safety

AI-driven online safety technology for detecting toxic, harmful and abusive digital content.

Best For: Social platforms and child-safety use cases
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21. ActiveFence

๐ŸŒ Threat Intelligence

Type: Trust & Safety

Safety intelligence and content-risk platform for harmful content, abuse patterns and online threats.

Best For: Large platforms and enterprise trust & safety
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22. Besedo

๐Ÿ’ฌ Moderation Platform

Type: Text & Image Moderation

AI-assisted content moderation for marketplaces, communities and user-generated content platforms.

Best For: Marketplaces and social platforms
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23. Perspective API

๐Ÿ—ฃ๏ธ Toxicity API

Type: Text Moderation

Scores text for toxicity and related conversation-safety attributes to support healthier online discussions.

Best For: Forums, comments and community products
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24. OpenAI Moderation

๐Ÿค– AI Safety API

Type: Text & Multimodal Moderation

Moderation tooling for detecting policy-sensitive content in AI and application workflows.

Best For: Developers building AI applications
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25. AWS Bedrock Guardrails

๐Ÿงฑ AI Guardrails

Type: LLM Safety

Configure content filters, denied topics and safety controls for generative AI applications on AWS.

Best For: Enterprise LLM applications
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26. NVIDIA NeMo Guardrails

๐Ÿง  LLM Guardrails

Type: Open Guardrails Framework

Framework for controlling conversational AI behavior, safety, grounding and policy compliance.

Best For: Developers building controlled LLM apps
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27. Guardrails AI

๐Ÿ›ก๏ธ LLM Validation

Type: AI Safety Framework

Validation and guardrail framework for checking model inputs and outputs against safety and quality rules.

Best For: LLM developers and AI product teams
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28. Lakera Guard

๐Ÿ” GenAI Security

Type: Prompt & Content Safety

Security layer for generative AI applications focused on prompt attacks, unsafe content and model protection.

Best For: Enterprise GenAI security
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29. Llama Guard

๐Ÿฆ™ Open Safety Model

Type: LLM Moderation

Open safety-model family designed to classify user and model content against policy categories.

Best For: Open-source LLM safety workflows
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30. LLM Guard

๐Ÿ”’ Open Source

Type: LLM Input/Output Filtering

Open-source security toolkit for scanning, sanitizing and protecting LLM inputs and outputs.

Best For: Developers building self-hosted AI safety
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31. NSFWJS

๐ŸŒ Browser Based

Type: Open-Source NSFW Detection

Client-side JavaScript library for classifying images into categories such as neutral, sexy and pornographic.

Best For: Browser apps and privacy-conscious moderation
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32. NSFW Filter

๐Ÿงฉ Browser Extension

Type: Safe-Mode Image Filtering

Open-source browser extension that uses local image classification to hide potentially unsafe images.

Best For: Safer browsing and client-side filtering
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33. NudeNet

๐Ÿงช Open Source

Type: Nudity Detection

Open-source computer vision project for detecting nudity and explicit visual regions in images.

Best For: Developers needing local nudity detection
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34. Falconsai NSFW Image Detection

๐Ÿค— Hugging Face

Type: Open Image Classifier

Open image-classification model for identifying NSFW and safe visual content.

Best For: Local inference and experimentation
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35. Marqo NSFW Image Detection 384

๐Ÿค— Hugging Face

Type: Lightweight NSFW Classifier

Lightweight image classifier designed for NSFW versus safe-image detection.

Best For: Fast local moderation pipelines
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36. AdamCodd ViT NSFW Detector

๐Ÿค— Hugging Face

Type: ViT Image Classifier

Vision Transformer model for detecting NSFW content in images.

Best For: Developers testing transformer-based moderation
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37. TostAI NSFW Detection

๐Ÿค— Hugging Face

Type: Open NSFW Model

Community image-classification model for NSFW detection and moderation experiments.

Best For: Research and self-hosted moderation
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38. Ateeqq NSFW Image Detection

๐Ÿค— Hugging Face

Type: Open Image Safety Model

Community image classifier for identifying potentially unsafe visual content.

Best For: Developers and model experimentation
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39. DenisNovac NSFW Detection

๐Ÿค— Hugging Face

Type: NSFW Image Classifier

Open model for classifying image content as safe or NSFW.

Best For: Local moderation and testing
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40. PrithivMLmods NSFW Detection

๐Ÿค— Hugging Face

Type: Open Safety Model

Open-source image safety model intended for NSFW content detection workflows.

Best For: Self-hosted image moderation
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41. ONNX NSFW Detection Models

โš™๏ธ ONNX

Type: Local Inference

ONNX-format model ecosystem useful for running lightweight content-safety classification locally.

Best For: Edge deployment and optimized inference
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42. AimanZaharin ViT NSFW Detection

๐Ÿค— Hugging Face

Type: ViT Safety Model

Vision Transformer-based moderation model for classifying potentially unsafe image content.

Best For: Computer vision experimentation
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43. Open Nudity API

๐Ÿงช Open Source

Type: Nudity Detection Projects

Open-source nudity-detection projects and APIs for developers building local moderation workflows.

Best For: Developers researching self-hosted options
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44. DeepAI NSFW Detector

๐Ÿง  AI API

Type: NSFW Image Detection

General AI API platform with image-analysis capabilities that can support content-safety workflows.

Best For: Developers prototyping moderation features
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45. Hugging Face Moderation Models

๐Ÿค— Model Directory

Type: Open Safety Models

Large directory of community models for NSFW classification, content filtering and moderation research.

Best For: Developers comparing open-source models
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46. Roboflow

๐Ÿ–ผ๏ธ Computer Vision

Type: Custom Safety Models

Computer vision platform for training, deploying and managing custom image-detection and classification models.

Best For: Teams creating custom moderation detectors
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47. TensorFlow Hub

๐Ÿงช ML Ecosystem

Type: Custom Moderation Models

Model ecosystem that can be used to deploy or build custom image and text safety classifiers.

Best For: ML teams and research workflows
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48. Hugging Face Inference Endpoints

๐Ÿš€ Model Hosting

Type: Hosted Moderation Models

Managed inference service for deploying open moderation and NSFW-detection models from Hugging Face.

Best For: Teams hosting open safety models
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49. Replicate

โšก Model API

Type: Hosted Safety Models

API platform for running open-source AI models, including content-safety and image-classification models.

Best For: Developers wanting hosted model APIs
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50. ModelScan by Protect AI

๐Ÿ” AI Security

Type: Model Safety

AI security tooling for scanning model artifacts and protecting machine-learning systems.

Best For: Teams securing AI model pipelines
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What Are AI NSFW Filters?

Want to explore AI photo editing and image filters? Read our AI image filters and safe editing alternatives guide to compare tools and understand their privacy and safety considerations.

AI NSFW filters are content-safety tools that classify or flag material that may be explicit, sexual, violent or otherwise unsuitable for a platform’s policy. They are commonly used by social apps, marketplaces, communities, dating products, media platforms and generative-AI applications.

Types of Safe-Mode and Content Moderation Tools

  • Image moderation: detects nudity, explicit imagery, violence and other unsafe visual content.
  • Video moderation: scans frames or video segments for policy-sensitive material.
  • Text moderation: checks comments, prompts and messages for toxicity, abuse or unsafe categories.
  • Browser filters: classify or hide unsafe images directly on the user’s device.
  • LLM guardrails: control model inputs and outputs to reduce unsafe or policy-violating responses.
  • Open-source models: let developers run moderation locally or inside private infrastructure.

How to Choose an AI Content Moderation Tool

Choose based on the content type you need to moderate, expected volume, response-time requirements and whether you need cloud or self-hosted deployment. Also compare supported safety categories, false-positive controls, audit logs, API limits, privacy requirements and human-review options.

AI Moderation vs Rule-Based Filtering

AI moderation classifies content based on trained models, while rule-based filters rely on keywords, blocklists or fixed patterns. Many production systems combine both approaches because neither method is perfect on its own.

Note: Content moderation models can produce false positives and false negatives. AI Tools Hunt provides tool information for discovery and comparison purposes only. Always test moderation systems against your own policies, users and content before relying on them in production.
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