All Tools
[ video bench ]
HEVC to MP4 (H.264) - Online Video Converter
Convert HEVC to MP4 (H.264) online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert HEVC to MP4 (H.264)
Drop HEVC video here or click to select
HEVC, MP4
MP4 (H.264) (H.264 / AAC)
About HEVC to MP4 (H.264)
Convert HEVC to MP4. HEVC is the H.265 codec halving bitrates versus H.264. MP4 pairs H.264 video with AAC audio in the ISO base media container. H.264 has no alpha channel, so transparency is dropped..
Why convert HEVC to MP4 (H.264)?
- Smaller files with MP4 lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
HEVC vs MP4 (H.264)
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossy | lossy |
| Typical use | HEVC is the H.265 codec halving bitrates versus H.264. | MP4 pairs H.264 video with AAC audio in the ISO base media container. |
When not to convert HEVC to MP4 (H.264)
- Skip MP4 for archival masters: lossy compression discards detail, so keep the HEVC original.
- Keep a master copy: repeated exports stack small losses, so archive HEVC before batch MP4 shares.
Limits
Starting point: HEVC - HEVC is the H.265 codec halving bitrates versus H.264. Raw streams lack timing, so set frame rate by hand. H.264 has no alpha channel, so transparency is dropped. Encode MP4 (H.264 / AAC) from HEVC at a bitrate near the source, and confirm the audio track before converting.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.
Related conversions
FAQ
How do I convert HEVC to MP4 (H.264)?
Drop your HEVC file onto this page, choose quality and codec settings, then click Convert. The result downloads as MP4 (H.264) instantly. All processing runs in your browser.
What codec is used for MP4 (H.264)?
The default codec for MP4 (H.264) is H.264 / AAC. You can change the video and audio codec in Advanced mode.
How do you store my files?
We do not store any processed videos. All conversion happens entirely in your browser using FFmpeg WASM.