Moderation & safety

Tools to detect illegal content, moderate uploads at scale and protect people from non-consensual distribution.

9 tools · sorted by rating

Safer by Thorn

5.05.0 out of 5 stars

Thorn's solution for detecting known and new CSAM, grooming and sextortion.

Solution

Protects platforms with user-uploaded content using perceptual hashing and AI classifiers, self-hosted or via API; used by Patreon, Vimeo and Bluesky.

Cloudflare CSAM Scanning Tool

4.54.5 out of 5 stars

Cloudflare tool that matches cached content against NCMEC and other hash lists.

Solution

Detects, blocks and reports known CSAM served through Cloudflare with no extra integration; no longer requires NCMEC credentials.

Hive Moderation

4.54.5 out of 5 stars

Visual moderation APIs with NSFW classifiers and a CSAM Detection API developed with Thorn.

Solution

Combines hash matching against Thorn's database with a new CSAM classifier that runs before all other models, plus exploitation detection in messaging; access via sales.

Microsoft PhotoDNA

4.54.5 out of 5 stars

Microsoft hashing service for detecting known child sexual abuse material.

Solution

Matches uploads against known CSAM at no cost for qualified organizations; requires sending images to Microsoft and does not detect new material.

StopNCII

4.54.5 out of 5 stars

Free hashing tool to stop the spread of non-consensual intimate images of adults.

Solution

Victims generate a hash of their images and member platforms (TikTok, Patreon) block matches without accessing the content.

Take It Down

4.54.5 out of 5 stars

Free NCMEC service for removing intimate images of minors using hashes generated on-device.

Solution

Lets participating platforms (Pornhub, OnlyFans, Meta) detect and block intimate images of minors without receiving the files.

Google CSAI Match

4.04.0 out of 5 stars

Google tools (CSAI Match for video and Content Safety API for images) against child abuse.

Solution

Detects known CSAM in video and prioritizes suspicious images with a classifier; available only to qualified industry partners and NGOs.

Sightengine

4.04.0 out of 5 stars

Self-serve image and video moderation API with nudity, deepfake and AI detection.

Solution

Classifies nudity, violence, weapons or self-harm and detects deepfakes with instant signup; does not market the adult sector as a use case.

WebPurify

3.53.5 out of 5 stars

Hybrid moderation service combining AI and human moderators.

Solution

Offers AI image review (~$0.0026) or human review (~$0.03) for user content; trial with 100 photos and 5 min of video.

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