WebM
Open, royalty-free container for web delivery with VP9 and AV1
MP4
The universal video container for progressive download, offline playback, and simple delivery.
Overview
What is MP4
MP4 (MPEG-4 Part 14) is a digital multimedia container based on the ISO base media file format. It stores video, audio, subtitles, and metadata in a single file that virtually every device, browser, and media player can open without additional software. MP4 is the most common container for progressive download — where the viewer downloads and plays the file simultaneously without adaptive bitrate switching. While MP4 does not support adaptive streaming natively, it serves as the segment format for both HLS (via fmp4) and MPEG-DASH, making it the foundational container for modern video delivery.
Decision Guide
When to Choose MP4
Choose MP4 when:
- You need a single file that plays everywhere — MP4 with H.264 is the most universally compatible video format in existence.
- Your use case is progressive download or offline viewing — social media uploads, downloadable training videos, embedded product demos.
- You are producing mezzanine or archive files — MP4 is a stable long-term storage format with broad tool support.
Consider alternatives when:
- You need adaptive bitrate streaming — HLS or MPEG-DASH adjusts quality to viewer bandwidth in real time.
- You need DRM protection — MP4 alone cannot enforce DRM. Package as HLS (FairPlay) or DASH (Widevine/PlayReady).
- You need live streaming — MP4 is a file-based format with no live capability. Use HLS or MPEG-DASH.
Try it
Transcoding Demo
Source video
URL
Upload File
Sample Video
Source Type
URL
Select a source video and click “Convert” to see MP4 output in action.
Reference
Key Characteristics
| Type | Container format |
| File extension(s) | .mp4 |
| Supported video codecs | H.264, H.265 (HEVC), AV1 |
| Supported audio codecs | AAC, MP3, Opus |
| DRM support | Not natively (DRM requires HLS or DASH packaging) |
| Adaptive bitrate | No — progressive download only |
| Latency | N/A (progressive, not streaming) |
| Live streaming support | No (use HLS or DASH for live) |
| Typical use case | Downloads, short-form social video, offline playback, mezzanine files |
Compatibility
Browser & Device Support
Platform | MP4 (H.264) | MP4 (H.265) | MP4 (AV1) |
|---|---|---|---|
Chrome (desktop) | 70+ | ||
Safari (macOS) | 11+ | 17+ | |
Firefox (desktop) | 67+ | ||
Edge | HEVC ext. | 79+ | |
iOS Safari | 11+ | 17+ | |
Android Chrome | device-dep. | 93+ | |
Smart TVs | most 2017+ | most 2022+ | |
Game consoles | PS5, Xbox S/X | PS5, Xbox S/X |
Implementation
How Qencode Handles MP4
Qencode produces MP4 output with any supported video codec — H.264, H.265, AV1, or VP9 — and handles muxing, metadata, and faststart (moov atom relocation) automatically. Faststart is critical for web playback: it moves the file's metadata to the beginning so browsers can start playing before the full file downloads.
Combine MP4 output with Thumbnails to extract preview images alongside encoded video,or use Video Clips to produce shorter MP4 segments from longer source files.
Request Example
MP4 output with H.264 and Per-Title Encoding
{
"query": {
"source": "https://your-storage.com/source.mov",
"format": [
{
"output": "mp4",
"video_codec": "libx264",
"resolution": 2160,
"optimize_bitrate": 1
}
]
}
}Copy this payload and use it with your API key to generate MP4 output from any video source.
View Parameter Referencecomparison
MP4 vs. WebM
MP4 | WebM | |
|---|---|---|
Device support | Universal (99%+) | Broad (Chrome, Firefox, Edge; no Safari) |
Royalty status | Depends on codec (H.264 licensed, AV1 free) | Royalty-free |
Primary codecs | H.264, H.265, AV1 | VP8, VP9, AV1 |
Audio codecs | AAC, MP3 | Vorbis, Opus |
File size | Depends on codec | Typically smaller (VP9/Opus) |
Best for | Universal playback, downloads | Web-first, open-source projects |
For a detailed WebM breakdown, see WebM
Pricing
What It Costs
Explore More
Related Features
Video Clips
Extract shorter MP4 segments from longer source videos
Watermarks
Add visual watermarks to MP4 output for branding or protection
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