Video format
MKV Sample Files
MKV (.mkv) is a Matroska-based container supporting multiple audio, subtitle, and attachment tracks. It accommodates modern codecs and advanced features like chapters and menus. Use sample .mkv files to validate multipath demuxing, subtitle rendering, and header parsing.
4 files
All to 5MB
SHA256 verified
Manifest included
Quick facts
Files first
Start with one representative file.
Starter file
DownloadUse cases
Pick the next task, not just the next file.
Container Playback Review
Open Format MKVMKV Seek and Transfer
Open Format MKVCompare and decide
Keep the next decision one step away.
MOV vs MKV
Open ComparisonFAQ and reference
Keep the operational details quiet.
Checksum Verification
Use checksums to confirm file integrity after download.
shasum -a 256 your_file_name_here
# Compare output with SHA256 values listed above.Where is the machine-readable manifest?
Use the manifest when you need stable names, SHA256 values, and URLs for automation.
Validation Methodology
- Confirm codec/container detection matches actual stream info.
- Test keyframe seek, subtitle loading, and fallback playback.
- Measure startup and buffering behavior across browsers.