Video format

MP4 Sample Files

MP4 (.mp4) is a general-purpose media container supporting H.264/H.265 video, AAC audio, subtitles, and metadata tracks. Ubiquitous in web and mobile, it supports streaming (HLS, DASH). Use sample .mp4 files to validate decoder pipelines, subtitle rendering, and adaptive streaming workflows.

15 files All to 50MB SHA256 verified Manifest included

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Quick facts

CategoryVideo

Total Files15

Extension.mp4

MIMEvideo/mp4

Opens withVLC, Chrome/Firefox

ManifestJSON

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Files first

Start with one representative file.

Starter file

mp4_15s_sample_file_868KB.mp4 · 867.2 KB

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H.264 + AAC MP4

Browser-safe MP4 fixture with video and audio tracks.

mp4_h264_aac_360p_sample.mp4 · 77.2 KB

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Video-Only MP4

Valid MP4 for playback workflows that need no-audio handling.

mp4_h264_no_audio_240p_sample.mp4 · 20.2 KB

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Longer-Duration MP4

Longer playback fixture for buffering, seek, and upload-duration checks.

mp4_h264_aac_12s_sample.mp4 · 249.1 KB

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All (15) 50KB (6) 200KB (3) 1MB (1) 2MB (1) 5MB (1) 10MB (1) 25MB (1) 50MB (1)

50KB MP4 10MB MP4

Filename	Size	MIME	Download
mp4_15s_sample_file_868KB.mp4 .mp4 Starter `SHA256 85133a92e2a6...`	867.2 KB	`video/mp4`	Download
mp4_30s_sample_file_1.7MB.mp4 .7MB.mp4 `SHA256 fba30c9006ea...`	1.7 MB	`video/mp4`	Download
mp4_5s_sample_file_279KB.mp4 .mp4 `SHA256 791212f72f3e...`	278.3 KB	`video/mp4`	Download
mp4_60s_sample_file_3.4MB.mp4 .4MB.mp4 `SHA256 3163637ecd8b...`	3.4 MB	`video/mp4`	Download
mp4_h264_aac_1080p_sample.mp4 .mp4 Realistic `SHA256 7de98bd92f65...`	127.3 KB	`video/mp4`	Download
mp4_h264_aac_12s_sample.mp4 .mp4 Edge `SHA256 9616660b8ca3...`	249.1 KB	`video/mp4`	Download
mp4_h264_aac_360p_sample.mp4 .mp4 Realistic `SHA256 67a9b99747df...`	77.2 KB	`video/mp4`	Download
mp4_h264_aac_720p_sample.mp4 .mp4 Realistic `SHA256 bb826a00ac42...`	99.9 KB	`video/mp4`	Download
mp4_h264_aac_subtitle_track_sample.mp4 .mp4 Realistic `SHA256 e1dc9d5d4d14...`	83.6 KB	`video/mp4`	Download
mp4_h264_no_audio_240p_sample.mp4 .mp4 Realistic `SHA256 d61f476d5774...`	20.2 KB	`video/mp4`	Download
mp4_portrait_h264_aac_sample.mp4 .mp4 Realistic `SHA256 63bd5415def8...`	70.1 KB	`video/mp4`	Download
mp4_sample_file_10MB.mp4 .mp4 Large `SHA256 438bd8be902a...`	10.0 MB	`video/mp4`	Download
mp4_sample_file_25MB.mp4 .mp4 Large `SHA256 ca41d09b77c5...`	25.0 MB	`video/mp4`	Download
mp4_sample_file_50MB.mp4 .mp4 Large `SHA256 9c949a89896c...`	50.0 MB	`video/mp4`	Download
mp4_square_h264_aac_sample.mp4 .mp4 Realistic `SHA256 669e98467b66...`	92.4 KB	`video/mp4`	Download

Use cases

Pick the next task, not just the next file.

Upload Testing

MP4 for Upload Testing

Open Format MP4

Parser Regression

MP4 for Parser Regression

Open Format MP4

QA Automation

MP4 for QA Automation

Open Format MP4

WEBM MOV AVI

Compare and decide

Keep the next decision one step away.

MP4 vs WebM

Select the right web video container for compatibility and compression.

Compare containers

Best Video Format for Browser Playback

MP4 is usually the safest default for broad browser playback.

Read best-format guide

Best Video Format for Browser Playback Best Format for Browser Marketing Video How to Convert MP4 to MPEG

FAQ 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.

Manifest ISO 14496-14 (MPEG-4 Part 14)

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.

Fixture Matrix

Use the curated MP4 matrix to choose the right clean, edge-case, and broken fixtures for this format.

Open Matrix

Workflow Packs

Media Playback Fixture Pack

Edge-Case Fixtures

Longer-Duration MP4

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