There are two separate problems hiding inside “download a YouTube video as MP4 on iPhone”, and almost every guide only solves the first one. Problem one is getting a file at all.

Problem two is getting a file in a container your iPhone will actually accept, which is where a lot of people end up with something sitting in Files that Photos flatly refuses to import.

I build Grabio, a free Shortcut that handles the handoff part of this, so I get a steady trickle of emails that all say some version of “I downloaded it and now nothing works”. Nine times out of ten the file is a WEBM. This post is about avoiding that, plus an honest account of what you are and are not entitled to save.

How to Download a YouTube Video as MP4 on iPhone (Free)

What YouTube’s own download button actually gives you

At a glance

Cost
Free, forever
Account
None needed
App Store
No install
Runs on
iPhone, via Shortcuts

Start here, because for a lot of people this is enough and it is the only route YouTube itself endorses.

YouTube Premium includes offline downloads inside the YouTube app. Tap Download under a video and it is available with no connection. What you get is playback inside YouTube, on that device, expiring after a period, tied to your account. There is no file. You cannot find it in Files, you cannot AirDrop it, you cannot edit it, and it disappears if your subscription lapses.

That is a real feature and it covers the flight-and-no-signal case perfectly well. If what you need is a genuine MP4 you can move, edit or keep, YouTube does not provide that route and you are into third-party territory.

Be honest about what you are allowed to download

I would rather say this early than bury it in a disclaimer at the bottom.

YouTube’s terms of service tell you not to download content except through features YouTube itself provides. The situations where you are clearly on solid ground are narrower than most posts admit:

  • Your own uploads. YouTube Studio has a download button for every video on your channel and hands you an MP4 directly. If it is your video, use this and skip everything else in this post.
  • Creative Commons licensed videos. A creator can mark a video CC BY, which is visible in the video description. That licence explicitly permits reuse with attribution.
  • Videos where the creator has given you permission, which sounds obvious and is genuinely the cleanest case.

Personal offline viewing of an ordinary public video is the grey area everyone actually operates in, and the honest framing is that it is between you and YouTube’s terms rather than something I can bless.

Re-uploading, monetising or redistributing someone else’s work is a different thing entirely and is not grey at all. I went through this properly in is it legal to download YouTube videos for personal use.

What I will say flatly: none of this applies to Netflix, Prime Video, Disney+, Hotstar or any other subscription streaming service. Those are DRM protected, stripping that protection is illegal in most countries, and Grabio does not do it and will not do it. If a tool claims to rip a paid streaming service, close the tab.

The MP4 trap that catches most people

Here is the technical bit that makes the difference, and it takes thirty seconds to understand.

YouTube stores each video in several formats. The highest-quality streams are frequently VP9 or AV1 video inside a WEBM container, because those codecs are more efficient. MP4 with H.264 is the older, more compatible option, and for many videos it tops out at 1080p.

Your iPhone cares about this. The Photos app imports MP4, MOV and M4V. It will not import a WEBM.

So if a downloader offers you a menu of quality options and you pick the biggest number, there is a decent chance you get a WEBM, at which point the file lands in Files and every attempt to move it into your camera roll fails without a helpful error.

The fix is to pick the option that says MP4 even when a higher-resolution WEBM is sitting above it in the list. A 1080p MP4 that plays everywhere beats a 4K WEBM you cannot open. If the download site only labels resolutions and not formats, take the highest option that mentions MP4 or H.264 explicitly.

Getting the file, step by step

Grabio is a free Apple Shortcut. There is no App Store install, no account, no cap.

Its job in this flow is narrow and I want to be precise about it: it recognises the platform from the link you share, copies that link to your clipboard, and opens one specific clean downloader with the paste box ready. Grabio’s own server never downloads or stores the video.

  1. Add Grabio once from Safari on your iPhone.
  2. Open the video in the YouTube app or in Safari. Tap Share.
  3. Tap Grabio in the share sheet. If you do not see it, scroll the sheet down and tap Edit Actions to pin it.
  4. Grabio recognises the YouTube link and opens the downloader in Safari with a short prompt telling you what to do next.
  5. Tap the box, paste the link if it is not already filled in, tap Download.
  6. A list of quality options appears. Pick an MP4 option, per the section above.
  7. Choose Save to Files or Save to Photos when Safari offers it.

This is a two-tap flow rather than a one-tap one. The download site still needs you to confirm the paste and choose a quality. I would rather describe it accurately than promise magic and have you feel misled at step five.

Getting the file into Photos when it lands in Files

Sometimes Safari saves to Files whether you wanted it there or not. Moving it across is easy once you know the path.

Open Files, go to Downloads in On My iPhone or iCloud Drive, long-press the video, tap Share, then tap Save Video. If Save Video is missing from that sheet, the file is not in a format Photos accepts, and you are back at the WEBM problem. Download the MP4 version instead.

What to do with the MP4 once you have it

This is the part that happens entirely on your phone, with no site involved, because Apple’s own Shortcuts actions cover it.

A YouTube MP4 at any decent quality is large, and large files bounce off messaging apps and email attachments. Shrinking one is an on-device job, covered in compressing a video for WhatsApp, and the same approach works for anything with a size cap.

If you only wanted the audio, a talk or a lecture or a song you have rights to, extracting audio from a video saves you carrying the video around. And if you only need a ten-second slice, trimming a video without an app uses the Photos editor and takes about four taps.

All three of those run on your iPhone’s own processor. That is also why they work in airplane mode. That is the half of Grabio I am most comfortable recommending without caveats.

If you want the share-sheet flow rather than hunting for a downloader every time, Get the Shortcut. It is free, it takes one tap in Safari, and you can open it in the Shortcuts app afterwards and read every action it runs.

Downloading YouTube as MP4 on iPhone: FAQ

Why can I not find my YouTube Premium downloads in the Files app?

Because they are not files. YouTube Premium’s offline mode caches the video inside the YouTube app in a protected form, tied to your account and set to expire. There is nothing in Files to find, and that is by design.

Why will Photos not import the video I downloaded?

Almost always because it is a WEBM rather than an MP4. Photos imports MP4, MOV and M4V and rejects WEBM without a clear explanation. Download the MP4 option, even if a higher-resolution WEBM was offered above it.

Can I get 4K, or is MP4 always limited to 1080p?

It depends on the specific upload. Many videos only offer their highest resolutions in WEBM, so the best available MP4 is 1080p. Some uploads do have higher MP4 streams. The download site shows you whatever exists for that video, so check the list rather than assuming.

Does the video pass through Grabio’s server?

No. Grabio reads the link only far enough to identify the platform, copies it to your clipboard and opens the downloader. The actual download happens between your phone and that site. Grabio’s server hosts the Shortcut and counts an anonymous hit, and never sees the video or the link contents.

Is downloading a YouTube video as MP4 legal?

It depends entirely on the video and what you do with it. Your own uploads and Creative Commons licensed videos are clear. Ordinary public videos saved for personal offline viewing sit against YouTube’s terms of service, which is a question you have to answer for yourself. Redistribution or commercial use of someone else’s video is not a grey area.

Can I use this for Netflix or another paid streaming service?

No. Those services use DRM, and circumventing it is illegal in most jurisdictions. Grabio does not support it, and any tool advertising that capability is something to stay away from.