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What is MP4? Video format explained
Learn what MP4 is, how containers and codecs work inside .mp4 files, and when to pick the MP4 preset on PasteGrab for downloads.
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Learn what MP4 is, how containers and codecs work inside .mp4 files, and when to pick the MP4 preset on PasteGrab for downloads.
Overview
MP4 (MPEG-4 Part 14) is the most common video container for web, mobile, and social platforms. It wraps video and audio streams — usually H.264 or H.265 video with AAC audio — in a single file editors and players recognize instantly.
When you pick the MP4 preset on PasteGrab, you get a broadly compatible output suitable for Premiere, DaVinci Resolve, CapCut, and direct sharing. MP4 is a container, not a codec: the same extension can hold different encodings depending on what the source host provides.
For a deeper dive into containers vs codecs, read our video container vs codec guide. To compare MP4 against MKV or WebM, see the comparison articles linked below.
MP4
Default preset
44+
Supported hosts
Free
Core downloads
How it works
Editing, archival, audio reference, or quick share — each goal favors different formats and quality levels.
Social clips often work in MP4; audio-only workflows favor MP3. See our format comparison guides for tradeoffs.
Select Best quality for masters, 720p for smaller files, or MP3 when you only need audio — before you preview the link.
Check resolution, bitrate, and audio tracks in your player or NLE before committing to a workflow.
Benefits
An MP4 file bundles metadata, video track(s), and audio track(s). Social hosts like TikTok and Instagram typically serve H.264 video in an MP4-compatible stream. PasteGrab preserves what yt-dlp extracts from the public page.
Pick MP4 when you need reliable playback on phones, Windows, and Mac without installing codecs. It is the default choice for repurposing short-form clips and UGC references.
MP4 is not always the highest-quality master a host offers — some pages expose WebM or separate audio tracks. Use Best quality when you want the highest combined streams available.
Features
Widely compatible video container — default for edits and playback.
Audio-only output when video is unnecessary.
Highest streams yt-dlp finds on the public page.
Output
PasteGrab lets you choose a preset before previewing a public link. The table below maps common goals to presets.
For deeper format comparisons, explore our related learn articles linked at the bottom of this page.
| Format | Best for |
|---|---|
| MP4 | Widely compatible video container — default for edits and playback. |
| MP3 | Audio-only output when video is unnecessary. |
| Best quality | Highest streams yt-dlp finds on the public page. |
| 720p | Balanced resolution preset when file size matters. |
| Smallest file | Compact output for references and slow connections. |
Devices
These concepts apply across TikTok, Instagram, Vimeo, Reddit, and other supported public hosts.
Mobile and desktop browsers use the same paste-preview-download workflow.
MP4 and Best quality for NLE imports on Mac and Windows.
720p or Smallest file for on-the-go review.
Consistent presets help agencies standardize deliverables.
Support
The source host may cap resolution. Try Best quality and verify the original public page.
Re-preview with the correct preset selected before queuing the job.
Some hosts split audio/video streams. Try Best quality or see our missing-audio troubleshooting guide.
FAQ
Guides
Long-tail guides with step-by-step instructions for this platform and workflow.
Tools
Free link-based tools that complement downloader workflows.
Related
If your next link is not from What is MP4? Video format explained, try these supported platforms.
Learn
Educational guides on formats, quality, codecs, and audio for download workflows.