PeanutDL is a browser-based collection of free video downloaders and everyday online tools, designed to make common tasks simple and accessible without installing software. Its services include tools for downloading videos from Bilibili and Douyin, along with local network file sharing that lets users transfer files between browsers on the same network. Visitors can also use utilities for creating and reading QR codes, recognizing text in images with OCR, and testing internet speed. Privacy-focused features include WebRTC leak checks and browser fingerprint detection. For larger transfers and online storage, PeanutDL also offers a cloud drive, while a downloadable app provides access to additional features.

The brand emphasizes ease of use, cross-platform compatibility, and privacy, stating that its downloader is free and available for Windows, Mac, and Linux. PeanutDL also publishes practical guides about video formats, streaming technologies, downloading, and playback troubleshooting. By bringing downloads, transfers, privacy checks, and useful web utilities together, the service aims to provide a convenient online toolkit for everyday use.