picban.com

What It Is

PicBan is a privacy-focused browser extension designed to detect potentially private or unsuitable-for-public-sharing content locally before users upload photos to social media or any web page. It covers image risks such as NSFW/nudity, children’s faces, swimwear scenes, gore/violence, and more. Before upload, it provides confidence scores and analysis results, letting the user decide whether to cancel or continue.

Core Capabilities and Protection Approach

In terms of protection type, PicBan is more of a personal “pre-upload image safety reminder” tool than a traditional enterprise gateway or cloud-based content moderation service. Its detection workflow intercepts file input, drag-and-drop, and paste events, then runs models such as NSFWJS, MobileNet, COCO-SSD, and MediaPipe Face Detector in parallel. The page emphasizes 100% local processing, with no cloud uploads, no data collection, and no external servers—an obvious advantage for privacy-sensitive users. It also offers management features such as site whitelists, test images, and settings import/export; custom rules and automatic blurring of sensitive areas are still marked as coming soon.

Deployment, Integration, and Performance

PicBan is deployed as a browser extension installed via the Chrome Web Store and supports Chromium-based browsers such as Chrome, Edge, and Brave. Technically, it uses TensorFlow.js, WebGL acceleration, Manifest V3, and Chrome APIs, integrating fairly closely with web upload flows. Performance figures indicate that the first model load takes about 10-15 seconds, subsequent cached loads take under 1 second, and analysis of a single image takes about 200-500ms. However, once all models are loaded, memory usage is around 150-200MB, which may put pressure on low-spec devices.

Pricing and Compliance

The page indicates that PicBan is free to use, with no paid plan, subscription, enterprise edition, or payment methods disclosed. In terms of compliance certifications, there is no visible mention of SOC 2, ISO 27001, GDPR statements, or similar information. Given that it is positioned as a local personal tool rather than a cloud-based enterprise security product, this is not surprising—but it also means PicBan is not suitable as a replacement for formal enterprise compliance auditing or content governance systems.

Pros, Cons, and Best Fit

Its strengths include a clear privacy-first design, no need to upload images, free usage, simple installation, and a relatively rich set of local AI detection capabilities. Its limitations are that detection is not guaranteed to be fully accurate, some features are not yet available, and it lacks centralized management, audit logs, enterprise support, and broad cross-browser coverage. It is suitable for individual users, heavy social media users, parents, or creators who want a local self-check before publicly sharing images. It is not suitable for organizations that need team-level policy deployment, SIEM/DLP integration, or compliance reporting.

Access in China

The text does not provide information on availability in mainland China, Chrome Web Store accessibility, or payment options, so its China access status is unknown. Since installation depends on the Chrome Web Store, actual usability may be affected by the network environment. If it is unavailable, alternatives could include local privacy-focused browser plugins, endpoint DLP tools, or local/private-deployment content safety tools with image review capabilities.