01 / Drop
Choose the HEVC video
Drag it in or click to pick it. It is read from your own disk.
Free tool
Turn an HEVC (H.265) video, such as an iPhone clip or a Mac HDR screen recording, into an H.264 MP4 that older computers, editors and websites play. It runs in your browser, so nothing is uploaded.
This runs in your browser. Your files are never uploaded.
How it works
01 / Drop
Drag it in or click to pick it. It is read from your own disk.
02 / Convert
Press convert. It runs in the page.
03 / Save
Play the result in the page, then download it.
Questions
No. It is converted in this tab with your browser, so the file never leaves your computer.
HEVC (H.265) is the newer video format iPhones and Macs use for HDR and high-efficiency video. Older computers, editors and many websites cannot play it.
MP4 is the most widely accepted video format: phones, editors, YouTube and most websites take it.
The picture is re-encoded as H.264, so there is a small loss, as with any re-encode. HDR colours are shown in normal range.
Yes, to read it. Safari on a Mac plays HEVC, and Chrome and Edge do on most recent Macs and PCs with hardware support. If yours cannot, the page says so.
The file is handled in your browser's memory, so very large files can fail. Close other tabs and try again.
Current Chrome, Edge and Safari, which can encode H.264 video, as long as they can also play the original.