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What is MKV? Matroska explained
Learn what MKV (Matroska) is, when it beats MP4 for archival, and what to expect from social video downloads.
Learn
Learn what MKV (Matroska) is, when it beats MP4 for archival, and what to expect from social video downloads.
Overview
MKV (Matroska) is an open, flexible container that can hold multiple video, audio, and subtitle tracks — popular for Blu-ray rips, anime fansubs, and archival encodes.
Public social hosts rarely distribute MKV directly. You are more likely to get MP4 or fragmented streams. MKV knowledge helps when comparing archival formats or working with remuxed files after download.
PasteGrab focuses on public web URLs, not local MKV remuxing. Choose Best quality or MP4 for social sources.
5
Format presets
40+
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
MKV supports multiple audio tracks, chapters, and soft subtitles in one file — ideal for film archival.
Browsers and phones prefer MP4. MKV often requires VLC or transcoding before mobile sharing.
After saving a public clip with PasteGrab, remux to MKV locally only if your archival policy requires Matroska — most teams stay in MP4.
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 MKV? Matroska explained, try these supported platforms.
Learn
Educational guides on formats, quality, codecs, and audio for download workflows.