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yt-dlp External JavaScript Solver

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library 0.8.0 ·python
verified Jun 28, 2026

yt-dlp-ejs is a specialized Python library that provides external JavaScript execution capabilities for yt-dlp, the popular video downloader. It solves YouTube's signature and n-parameter challenges by bundling JavaScript solvers that work across multiple runtimes such as Deno, Bun, Node.js, and QuickJS. Currently at version 0.8.0, it maintains a frequent release cadence to adapt to YouTube's player code changes.

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