Life & fun · alternatives · 2026

Nullnude is an automated image moderation tool that detects nudity in photos. Launched in 2016, it's designed for platforms and services that need to screen user-generated image content. The software analyzes images to… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Automatic image moderation and nudity detection launched in 2016; newer entries below may have overtaken it.

1. 1
   Nudifier▲135

   Make people in photos look faux naked.

   2015 · apps.apple.com · its alternatives →

2. 2
   NaaS▲144

   Nudity-detection as a service run on solar powered Rasp Pi's

   2018 · its alternatives →

3. 3
   Black Out▲312

   Hide sensitive parts of an image before you share it

   2017 · apps.apple.com · its alternatives →

4. 4
   AutoMask▲132

   In-browser AI imaging tool to anonymize people in pictures.

   2020 · its alternatives →

5. 5
   Snappr Photo Analyzer▲441

   AI that tells you if your profile pic is actually any good

   2017 · snappr.com · its alternatives →

6. 6
   An AI program to check videos for NSFW content▲83

   NWJS wrapper for a wider project. Contribute to dynamite-ready/movie-parser development by creating an account on GitHub.

   2022 · github.com · its alternatives →

7. 7
   Go-nude – Nudity detection with Go▲16

   Nudity detection with Go. Contribute to koyachi/go-nude development by creating an account on GitHub.

   2014 · github.com · its alternatives →

8. 8
   Perceptual hashing tools for detecting child sexual abuse material▲92

   Perceptual hashing tools for detecting child sexual abuse material - thorn-oss/perception

   2019 · github.com · its alternatives →

9. 9
   Nude▲102

   The sexiest app ever, using AI to keep your 🙈 photos private

   2017 · nudeapp.co · its alternatives →

10. 10
    a Rust based CLI tool 'imgcatr' for displaying images▲129

    cat for images, by RUST

    2024 · github.com · its alternatives →

11. 11
    Unenhanced▲13

    Take photos without iPhone auto-enhance

    Mar 2026 · unenhanced.app · its alternatives →

12. 12
    Censorfy - AI Content Moderation▲141

    Moderate content in one HTTP request

    2024 · censorfy.com · its alternatives →

13. 13
    Encrypted Photo Filtering App▲83

    Encrypted image filtering using homomorphic encryption

    2023 · huggingface.co · its alternatives →

14. 14
    Loti▲117

    Remove non-consensual intimate images of yourself online.

    2023 · lotiai.com · its alternatives →

15. 15
    NUCA Camera▲130

    Natural nudity, AI powered to be you, just you

    2024 · nuca.rocks · its alternatives →

16. 16
    NSFW Filter▲92

    Web extension to block NSFW content using AI

    2020 · github.com · its alternatives →

17. 17FO
    Fake or real? Try our AI image detector▲22

    Hey HN! We're Ayman and Dylan, co-founders of Nuanced (https://www.nuanced.dev/). We want to share a tool we’re working on to detect fake and real images: https://trial.nuanced.dev/demo/. The UI is bare-bones but you’ll get the idea. Drag or upload an image and our tool will display the probabilities with which it thinks that the image might be AI-generated or not. If you want, you can click “No, it’s AI” to confirm that the image was AI-generated, or “No, it’s real” to confirm that the image was not AI-generated. Why we’re working on this: as AI-generated…

    2024 · trial.nuanced.dev · its alternatives →

18. 18
    Invisimark▲90

    Protects digital assets using invisible watermarks, 98 Style

    2024 · invisimark.io · its alternatives →

19. 19
    Image Moderator▲13

    Image analysis and moderator

    2025 · rapidapi.com · its alternatives →

20. 20AF
    A Face-Detection Library in 200 Lines of JavaScript▲36

    2018 · tkv.io · its alternatives →

21. 21
    Nudity & Violence Detection Extension▲2

    Using AI to Detect Harmful Visual Content in Real Time

    Feb 2026 · github.com · its alternatives →

22. 22
    NuDefndr▲6

    Quickly identify and secure sensitive photos on your iPhone

    2025 · apps.apple.com · its alternatives →

23. 23
    CensorX

    The smart shield for NSFW text and images.

    Jan 2026 · rapidapi.com · its alternatives →

24. 24
    NSFWCheckers▲1

    Free forever NSFW detection API for images

    Dec 2025 · nsfwcheckers.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →