Elephant is a Free Download Manager (FDM) add-on that gives the host application the ability to download videos and audio from thousands of websites. The plugin's own code is a thin JavaScript integration layer (manifest.json, msparser.js, msbatchparser.js, msabstractparser.js, tools.js) that translates FDM's add-on API into invocations of a bundled, fully vendored copy of yt-dlp (version 2026.10.21). It exports browser cookies for authenticated downloads, resolves single URLs and playlists, filters out private or deleted entries, and returns normalized format and metadata JSON to FDM. The architecture is a hybrid desktop integration: the host application loads the add-on, which shells out to a bundled Python 3.10+ runtime running yt-dlp, plus a Deno 2.3+ runtime used for YouTube JavaScript-challenge and PO-token solving. Approximately 98% of the 1104 files are the vendored yt-dlp library itself (extractors, downloaders, postprocessors, networking, utilities), along with certifi and the yt_dlp_ejs JavaScript solver bundles. This makes the add-on self-contained and independent of any system Python installation, but it also means the repository's original contribution is limited to the FDM bridge, cookie handling, build scripts, and packaging strategy. Strengths: the bundled yt-dlp is kept essentially current (its version timestamp matches the repo's last commit), the integration handles real-world edge cases such as Netscape cookie-jar export and playlist batch filtering, and both Unix and Windows build scripts produce the expected elephant.fda artifact. Weaknesses: the original JS bridge has no visible tests, is tightly coupled to FDM's add-on API, hardcodes browser-support detection via a pseudo-URL, and the tree is dominated by a third-party dependency rather than original code. This is purely an application repository; there are no notebooks, datasets, or data pipeline definitions.