A step-by-step walkthrough for saving a YouTube video or its audio, which quality to pick, why some files arrive as two streams, and the rules that decide whether you may download a given video at all.
Downloading a YouTube video is straightforward on the technical side. The part people get wrong is the part that matters: whether they are permitted to download the particular video in front of them. This guide covers both, starting with the rules, because no amount of technique makes an unauthorised download acceptable.
First, the part that decides everything: permission
YouTube's Terms of Service do not permit downloading content except through a feature YouTube itself provides — such as YouTube Premium's offline mode — or where the copyright holder has given permission. That permission can be explicit, or it can come from the licence attached to the video.
- Your own uploads. You hold the rights, so you may take copies back whenever you like. This is the single most common legitimate case.
- Videos published under a Creative Commons licence. YouTube shows this in the description under "Licence". CC-BY content may be reused if you credit the creator as the licence requires.
- Public domain material — many government agency uploads, and older works whose copyright has expired.
- Anything where the creator has given you permission directly, in writing. Keep the message.
Step by step
- 1Open the video on YouTube and copy the URL from the address bar. On mobile, use Share → Copy link. Both the full youtube.com/watch?v=… form and the short youtu.be/… form work.
- 2Paste it into the box on our home page and press Get Formats. The server reads the video's public metadata — title, duration, thumbnail and the list of streams YouTube offers.
- 3Look over the format list. Each row shows a resolution, a container (MP4 or WebM) and an approximate file size, so you can weigh quality against download size before committing.
- 4Choose your output. Download takes video with audio; MP3 extracts the audio track and converts it to a 192 kbps MP3; Video only fetches the picture without sound, which is occasionally useful as an editing source.
- 5Wait for the file. Larger resolutions take longer because the video and audio arrive as separate streams and have to be combined before the file is sent to you.
Which quality should you actually pick?
| Resolution | Typical size (10 min) | Good for |
|---|---|---|
| 360p | ~40 MB | Quick reference, slow connections, phone viewing |
| 720p HD | ~150 MB | The sensible default — sharp on a phone or tablet |
| 1080p Full HD | ~300 MB | Laptop and TV viewing, editing source material |
| 1440p / 2160p | 700 MB – 2 GB+ | Large-screen playback and archival copies only |
Going above 1080p rarely pays off unless you are watching on a genuinely large screen. The file grows several times over for a difference most people cannot see at normal viewing distance.
Why the wait on high resolutions?
YouTube stores anything above 720p as separate video and audio streams rather than one combined file — it lets them serve many quality levels without storing every combination. A downloader has to fetch both streams and remux them into a single playable file. That merge happens on our server using FFmpeg, and it is the reason a 1080p download takes noticeably longer than a 360p one even on a fast connection.
Common problems
- "This video is private, removed, or unavailable" — the video is genuinely not publicly accessible. Open the link in a private browser window to confirm; if it does not load there either, there is nothing to fetch.
- "Requires login or authentication" — age-restricted, members-only or otherwise gated content. We do not bypass those gates.
- Live streams — a stream still in progress has no final file. Wait until it ends and the archive is published.
- The download stops partway — usually a dropped connection on a large file. Retry, and consider a lower resolution.
Getting just the audio
The MP3 option pulls the audio stream and encodes it to a 192 kbps MP3, which is transparent enough for speech and good enough for most music listening. It is genuinely useful for lectures, podcasts published to YouTube, conference talks and interviews — and it is exactly as bound by copyright as the video was. Extracting a song's audio does not change who owns it.
About this article. Written and reviewed in-house by the All-in-One Video Download team at Parv Gupta. It is not sponsored, contains no paid links, and no advertiser had any input into it. Spotted an error? Tell us at support@allinonevideodownload.com and we will correct it.
General information only — not legal advice. See our Disclaimer.