HEVC is the native codec of iPhones, iPads and Macs, and it compresses video very efficiently. Converting a WebM to HEVC MP4 gives you a small file that Apple devices play smoothly, often with hardware acceleration.
How to convert WebM (VP9) to HEVC (H.265)
- Drop your WebM (VP9) files in the box above, or click to pick them. You can add as many as you like.
- HEVC (H.265) is already selected as the output format. Switch on other formats if you want them too.
- Optional: open Advanced Settings to resize by percentage, width or height, and add more sizes.
- Click Start Conversion, then download each file or all of them at once. Nothing is uploaded: the conversion runs in your browser.
Why convert WebM (VP9) to HEVC (H.265)?
Use it to move WebM clips into the Apple ecosystem without bloating them. HEVC encoding requires support in your browser and hardware, available in Safari and in Chrome or Edge on many recent devices; otherwise pick H.264 MP4.
Frequently asked questions
Why choose HEVC instead of H.264?
HEVC files are typically much smaller than H.264 at similar quality. H.264 plays on more devices, so choose it when maximum compatibility matters.
Why does the conversion fail?
HEVC encoding is only available when your device provides an encoder. Safari on a Mac, or Chrome and Edge on recent hardware, usually work.
Are my videos uploaded?
No. The video is decoded and encoded in your browser, on your device. Nothing is sent to a server, which also means there is no file size limit other than your device memory.