yt-dlp-ejs
External JavaScript for yt-dlp supporting many runtimes
Decision gist · record as of 2026-08-14
Yes. If you use yt-dlp and encounter sites requiring JavaScript execution for video extraction, this plugin is a straightforward addition with low install friction, active maintenance, permissive licensing, and no known vulnerabilities.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- At least one of Deno, Bun, or Node.js must be available on the system for JavaScript execution.
- Low friction installation as a pure Python wheel with no runtime dependencies.
- Active maintenance with recent commits and stable production status.
License · maintenance · safety
Unlicense AND MIT AND ISC (permissive) — Licensed under Unlicense with bundled components under ISC and MIT licenses. All three are permissive and compatible with commercial and open-source use.
last release 2026-03-17 (150 days) · last repo commit 2026-06-20 · 433 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 2,540,822 downloads/mo, #3,012 on PyPI
Alternatives
Verify before relying
pip install -U yt-dlp-ejs
# The package integrates as an external JavaScript provider for yt-dlp
# No additional import or configuration needed beyond standard yt-dlp usage- Whether the package automatically detects and uses an available JS runtime or requires explicit configuration.
- Performance characteristics when using different runtimes (Deno vs. Bun vs. Node).
- Specific yt-dlp version compatibility range (minimum/maximum versions supported).
- How the package integrates with yt-dlp after installation.
What it is and what it does
yt-dlp-ejs extends yt-dlp with external JavaScript execution capabilities. It acts as a bridge allowing JavaScript code to run for video extraction from sites using JavaScript-based protection or obfuscation. The package supports multiple JavaScript runtimes—Deno, Bun, and Node.js—so users can choose whichever is available on their system.
The package is distributed as a pure Python wheel with bundled JavaScript components (meriyah and astring). Installation is straightforward and requires no additional Python dependencies at runtime. It supports Python 3.10 through 3.14 and is actively maintained with recent updates.
Use it for
- Extracting videos from sites using JavaScript-based player obfuscation or signature algorithms.
- Running extraction on systems where flexibility in JavaScript runtime choice is needed.
- Automating video downloads where JavaScript code execution is required for authentication or decryption.
- Development and testing of extraction workflows that depend on JavaScript support.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
If you use yt-dlp and encounter sites requiring JavaScript execution for video extraction, this plugin is a straightforward addition with low install friction, active maintenance, permissive licensing, and no known vulnerabilities.
Install
yt-dlp-ejs on PyPI
Before you install
Low friction installation as a pure Python wheel with no runtime dependencies. Active maintenance with recent commits and stable production status.
At least one of Deno, Bun, or Node.js must be available on the system for JavaScript execution.
License in practice
Licensed under Unlicense with bundled components under ISC and MIT licenses. All three are permissive and compatible with commercial and open-source use.
Quickstart
pip install -U yt-dlp-ejs
# The package integrates as an external JavaScript provider for yt-dlp
# No additional import or configuration needed beyond standard yt-dlp usageVerify before relying
- Whether the package automatically detects and uses an available JS runtime or requires explicit configuration.
- Performance characteristics when using different runtimes (Deno vs. Bun vs. Node).
- Specific yt-dlp version compatibility range (minimum/maximum versions supported).
- How the package integrates with yt-dlp after installation.
Package facts
| License | Unlicense AND MIT AND ISC permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 150 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 2,540,822 / month, #3,012 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableProgramming Language :: PythonProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: Implementation :: CPythonProgramming Language :: Python :: Implementation :: PyPy |
Evidence: yt_dlp_ejs-0.8.0-py3-none-any.whl
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See also yt-dlp · bgutil-ytdlp-pot-provider · PyExecJS · Js2Py-3.13 · Js2Py · types-yt-dlp · pytubefix · quickjs · langchain-quickjs · youtube_dl