iPhone Video Won't Play on Windows or Android? Here's the Fix

iPhone videos usually fail on Windows because they are saved as HEVC (H.265) inside a .MOV file, and many PCs, older Android phones, TVs and websites cannot decode HEVC. The quickest ways out are to play the file in VLC, add HEVC support to Windows, or convert the video; to avoid the problem next time, switch the iPhone camera to Most Compatible. The MOV to MP4 converter handles the conversion without uploading the video.

Why it happens

Two separate things are involved. The container is the .MOV wrapper, which Apple makes. The codec is how the picture is compressed, and since iOS 11 iPhones have recorded in HEVC by default because it saves storage. A player needs to understand both. Windows plays the audio (AAC, which is universal) but has no way to draw the picture, so you get a black screen with sound.

What you see	Most likely cause	Fix
Black screen, sound plays	The player cannot decode HEVC	VLC, HEVC extension, or convert to H.264
"Can't play this file" or "unsupported format"	The app or website does not accept .mov (or HEVC)	Convert to MP4; if it still fails, re-encode to H.264
Plays but stutters on an older PC	No hardware help for HEVC	Convert to H.264
Upload form rejects the clip	File type or codec not allowed	MP4 with H.264

Fix 1: play it with VLC (fastest, nothing converted)

If you only want to watch the video, install VLC and open the file with it. VLC includes its own decoders, so HEVC in MOV usually just plays. The downside is that it fixes your own computer only. It does not help when you need to send the clip to someone else or upload it.

Fix 2: add HEVC support to Windows

Windows can play HEVC when the HEVC Video Extensions are installed from the Microsoft Store. Some PCs already include them, and the store entry may cost a small fee, so check the price before you buy. Once installed, close and reopen your player or Photos. Like Fix 1, this only repairs that one PC; the clip will still fail for the person you send it to.

Fix 3: convert it to MP4

This is the one that works everywhere, but it matters what kind of conversion happens, because there are two.

• Container swap (remux). The video and audio are copied untouched into an MP4 wrapper. It is fast and lossless. It solves problems caused by the .mov label, for example a site or app that accepts MP4 only and handles HEVC fine. It does not change the codec, so an HEVC clip stays HEVC and a PC without HEVC support will still show black.
• Re-encode to H.264. The picture is recompressed in the codec every device understands. This is what fixes black-screen playback, at the price of a small quality loss and, usually, a larger file.

The MOV to MP4 converter does either one. Choose the clip and, if it is HEVC, the converter shows a choice under the file info: Convert to H.264 (plays everywhere, slower) or Keep HEVC (fast, no quality loss). Convert to H.264 is selected by default on that page, because it is the option that fixes black-screen playback. The audio, which is AAC on an iPhone, is copied untouched either way.

Before you press the button, the line below the options tells you what will happen. "Needs re-encoding" with a track line "HEVC (H.265) → H.264" means the picture is being converted for compatibility. "Fast, lossless remux" with "HEVC (H.265), copied as is" means the codec stays as it is, which only helps if the other device already plays HEVC. HDR clips from recent iPhones come out as standard 8-bit H.264, so colours can look a little flatter, but they play anywhere.

If the clip also needs to be smaller, for example to fit an email or chat limit, use the video compressor instead. It always re-encodes to H.264 with AAC audio in MP4 and lets you pick a target size or a lower resolution.

Tip: before sending a long clip, test with a 10-second trim. Our video trimmer in Fast mode cuts without re-encoding, and you can try the playback on the other computer first.

Fix 4: stop it happening again

On the iPhone, open Settings, Camera, Formats and choose Most Compatible. New videos will be recorded in H.264 (and photos as JPEG), which plays almost anywhere. The files are larger, and a few camera modes, such as some high-frame-rate 4K options, may require High Efficiency. This setting does not change videos you have already recorded.

For transfers, go to Settings, Photos, and under Transfer to Mac or PC pick Automatic. When you copy over a cable, the iPhone converts videos to a compatible format if the computer needs it, whereas Keep Originals copies the HEVC file as recorded. Sharing by AirDrop or an iCloud link usually sends the original file, so those clips can still arrive as HEVC. If you download from iCloud on the web, look for a download option with the word compatible in it.

Android phones, TVs and upload sites

Most recent Android phones play HEVC, but older and budget models may not, and some apps are stricter than the phone itself. Smart TVs differ widely, and many handle H.264 MP4 from a USB stick better than anything else. If a TV rejects a file, convert it with Convert to H.264 selected, as in Fix 3. For a general view of which formats are safe, see our guide to the best video formats for the web.

FAQ

Why does my iPhone video show a black screen but have sound?

The player recognises the audio but cannot decode the HEVC picture. Install HEVC support, use VLC, or convert the clip to MP4 with Convert to H.264 selected.

Is a MOV file the same as HEVC?

No. MOV is only the wrapper. An iPhone MOV usually contains HEVC, but a MOV can hold H.264 as well, and an MP4 can hold HEVC.

Will I lose quality converting iPhone video to MP4?

Not with Keep HEVC, because nothing is re-compressed. Converting to H.264 re-encodes the picture, which costs a small, usually invisible amount of quality.

Is my video uploaded when I convert it?

No. The video is processed on your own device in the browser. Keep files under about 500 MB on a computer and about 200 MB on a phone.