PixelBB is a simple image-sharing service designed to help users upload and distribute images online. Its interface lets visitors start an upload by dragging and dropping files or using the upload option, and provides a way to share uploaded media through a range of link and embed formats. Available options include direct, viewer, frame, thumbnail, and medium links, as well as HTML, Markdown, and BBCode snippets, with formats for full-size and linked or thumbnail presentations.

Copy controls make it straightforward to take the generated links or codes for use elsewhere. PixelBB also offers sign-in, advanced search, and a multilingual interface, alongside pages for information about the service, its API and plugin, terms of service, privacy, and contact details. The site presents itself as a focused utility for hosting and sharing images, with tools for embedding media in different contexts.

Its core offering is the upload-and-share workflow rather than a broader set of advertised products or services