Is yt-dlp safe? Security, privacy and legality, honestly

By Tunelio team·Published Sep 7, 2026

Yes — yt-dlp itself is safe. It is an open-source Python program (public domain, Unlicense) maintained on GitHub by a large community, with no telemetry and no ads. The risks come from around it: fake download sites that bundle malware, antivirus false positives on the Windows build, cookie files that expose your Google account, and third-party plugins. The legal question is separate and depends on what you download and where you live.

What yt-dlp is

yt-dlp is a command-line downloader forked from youtube-dl in 2021. The full source is on GitHub (yt-dlp/yt-dlp), every release is built by the project’s public CI with published SHA-256 checksums, and it is packaged by Debian, Fedora, Arch, Homebrew, winget and PyPI. It makes HTTPS requests to the sites you point it at and writes files to disk; it does not phone home, collect analytics or run background services.

Security: where the real risks are

1. Where you download it from

The only safe sources are github.com/yt-dlp/yt-dlp/releases, pip (PyPI), and your OS package manager. Search results are full of look-alike sites offering “yt-dlp.exe” or “yt-dlp GUI installer” that bundle adware or worse. If a site asks you to download an installer, run a setup wizard or disable your antivirus, it is not yt-dlp.

# verify a downloaded binary against the release checksums
curl -LO https://github.com/yt-dlp/yt-dlp/releases/latest/download/SHA2-256SUMS
sha256sum -c SHA2-256SUMS --ignore-missing

2. Antivirus warnings on Windows

yt-dlp.exe is a Python program packed with PyInstaller, and heuristic scanners regularly flag PyInstaller executables as generic “Trojan” or “Unsafe” — the same happens to thousands of legitimate tools. If the file came from the official release page and its checksum matches, the detection is a false positive; the maintainers document this on the wiki. Do not disable your antivirus for a file from anywhere else.

3. Cookies and your Google account

yt-dlp never sends your credentials anywhere except to the site you are downloading from. The risk is what you give it: a cookies.txt from your main Google account is a full login. Use a spare account, never share the file, and expect automated use from a server IP to get that account restricted — see the cookies guide.

4. Plugins and --exec

yt-dlp loads extractor and post-processor plugins from known directories and can run shell commands via --exec. Both are opt-in, but a plugin is arbitrary Python code — install only from repositories you trust, and audit any --exec line in shared config files.

5. Keep it updated

Like any network client that parses untrusted web pages, old versions can carry fixed bugs. Update regularly (yt-dlp -U or pip install -U yt-dlp); the project fixes security issues quickly and publishes advisories on GitHub.

Privacy

• No telemetry, no accounts, no update pings beyond the update check you trigger yourself.
• YouTube sees your IP and user agent, exactly as a browser would; with cookies it also sees which account is downloading.
• Downloaded files land where you tell them (-o); yt-dlp keeps a small cache of signature functions in ~/.cache/yt-dlp that you can delete with --rm-cache-dir.

Is yt-dlp legal?

The software is legal to own and run almost everywhere; it is a general-purpose tool like a browser or curl. What you download with it is the question. Three layers apply:

• Platform terms: YouTube’s Terms of Service prohibit downloading content except through features YouTube provides. Violating terms is a contract matter between you and YouTube (account action), not a crime.
• Copyright: downloading copyrighted work without permission can infringe copyright, with exceptions that vary by country — private copying is permitted in parts of Europe, fair use covers some cases in the US, and licences such as Creative Commons allow it outright.
• Circumvention: bypassing access controls (paywalls, DRM) is separately restricted in many jurisdictions. yt-dlp deliberately does not break DRM.

Practical guidance: your own uploads, Creative Commons and public-domain material, and content whose owner allows downloads are safe ground; redistributing or monetising other people’s videos is not. This is general information, not legal advice — rules differ by country.

Safe-use checklist

• Install from GitHub releases, pip or your package manager; verify checksums on Windows.
• Update monthly at least; nightly if you use it daily.
• Never pass your main account’s cookies; never share cookies.txt.
• Review config files and plugins you did not write.
• Run it as a normal user, not root; keep downloads in a dedicated directory.

If you are building a product on it

The safety questions change on a server: IP reputation, cookie hygiene and keeping the binary patched become an operations job, and the platform-terms question becomes your users’ question too. A hosted API such as Tunelio (our own service) takes the extraction side off your plate and returns a download URL per request; new accounts get 100 free credits. The responsibility for what you download and how you use it stays with you either way.

Sources

• github.com/yt-dlp/yt-dlp — source, releases, SHA2-256SUMS, security advisories.
• yt-dlp wiki — FAQ on antivirus false positives and on passing cookies.
• YouTube Terms of Service — “Permissions and Restrictions” section.