Alternatives

Products that do what NSFWCheckers does

Free forever NSFW detection API for images

1. 1AA
   An AI program to check videos for NSFW content▲83

   2022 · github.com

2. 2
   nsfw.rest▲141

   A free solution to keep your platform free of NSFW content

   2021

3. 3SA
   Stop AI scrapers from hammering your self-hosted blog (using porn)▲373

   Alright so if you run a self-hosted blog, you've probably noticed AI companies scraping it for training data. And not just a little (RIP to your server bill). There isn't much you can do about it without cloudflare. These companies ignore robots.txt, and you're competing with teams with more resources than you. It's you vs the MJs of programming, you're not going to win. But there is a solution. Now I'm not going to say it's a great solution...but a solution is a solution. If your website contains content that will trigger their scraper's safeguards, it will get dropped from their data…

   Dec 2025 · github.com

4. 4PA
   Pornpen.ai – AI-Generated Porn▲711

   Hey HN, I've been working on https://pornpen.ai, a site for generating adult images. Please only visit the site if you are 18+ and willing to look at NSFW images. This site is an experiment using newer text-to-image models. I explicitly removed the ability to specify custom text to avoid harmful imagery from being generated. New tags will be added once the prompt-engineering algorithm is fine-tuned further. If the servers are overloaded, take a look at the feed and search pages to look through past results. For comments/suggestions/feedback please visit…

   2022 · pornpen.ai

5. 5
   Canary▲68

   Warn Slack teams against nsfw messages using AI

   2019

6. 6
   NSFW Filter▲4

   Block NSFW content using AI.

   Jul 2026 · nsfwfilter.com

7. 7
   AutoMask▲132

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

   2020

8. 8
   NaaS▲144

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

   2018

9. 9
   Loti▲117

   Remove non-consensual intimate images of yourself online.

   2023

10. 10
    Detectnix Vision▲3

    Detectnix Vision | NSFW AI Adult Content Scanner for Windows

    Jun 2026 · detectnix.com

11. 11FA
    Firefox Addon to Filter NSFW Content▲62

    2022 · addons.mozilla.org

12. 12AN
    An NSFW Tumblr Search▲45

    2013 · pornblur.com

13. 13
    ModerateHatespeech▲85

    Free toxicity detection for content moderation via AI

    2022

14. 14
    CleanBrowse - Free Adult Content Blocker▲2

    Block adult content system-wide, blur it with on-device AI

    9d ago · cleanbrowse.app

15. 15
    Nudity & Violence Detection Extension▲2

    Using AI to Detect Harmful Visual Content in Real Time

    Feb 2026 · github.com

16. 16
    NSFW Manager▲2

    Privacy‑first Windows app powered by local AI

    27d ago · nsfwmanager.com

17. 17
    CUT529 - Xolotl▲5

    NSFW content blocker. Powered by AI.

    Nov 2025

18. 18
    NSFW Locker▲12

    nofap,self improvement

    Oct 2025

19. 19
    torf: AI Detector▲2

    Free iOS app to check if images & videos look AI-generated

    Dec 2025

20. 20
    I made a tool that prevents websites from tracking you▲31

    I know we are very wary of AI slop but disclaimer: AI was used. I don't think that it is slop though and it was mostly used for formatting.

    Jul 2026 · github.com

21. 21IA
    iOS app finds friends' bikini pictures using OpenCV object detection.▲11

    I'm giving away some Promo Codes here as well, just as a thank you to the HN community. Would love your feedback.

    2012 · itunes.apple.com

22. 22IM
    I made a site that allows you to discover NSFW subreddits via pics▲14

    2014 · nuttit.com

23. 23
    CatchyAi▲13

    Instant deepfake detection for a trustworthy digital world

    Dec 2025

24. 24
    NSFWRanker

    Every adult site scanned for trackers, cookies & recording

    Mar 2026 · nsfwranker.com

Ranked by how close each launch is in meaning, then by votes. Refine with a description →