VIDEO FORMAT DETECTOR
RESULTS
VIDEO FORMAT DETECTOR ONLINE
WHAT THIS TOOL DOES
Detects likely video container format.
Reads the first header bytes locally.
Helps identify MP4, WebM, MKV and AVI.
Canonical: /video-format-detector/
WHO USES IT
Editors checking unknown clips.
Developers debugging video uploads.
Creators sorting MP4, MOV and WebM files.
Students learning file signatures.
COMMON SEARCHES
video format detector online
identify video file type
check if video is MP4 or WebM
detect video by magic bytes
PRIVACY
The file is not uploaded.
Header reading runs inside the browser.
Preview is optional and local.
CLEAR removes local object links.
MAGIC BYTE CHECKS
MP4 / MOV FAMILY
Looks for ftyp at byte offset 4.
Reads the major brand at offset 8.
Brands can indicate MP4, MOV, 3GP or M4V.
WEBM / MKV FAMILY
Looks for EBML header bytes.
Scans early text for WebM hints.
Falls back to Matroska / MKV when needed.
AVI / RIFF FAMILY
Looks for RIFF at the start.
Reads the format label at byte 8.
AVI appears as RIFF plus AVI.
OTHER FORMATS
FLV is detected from FLV bytes.
MPEG-TS can begin with 47 hex.
Ogg video uses OggS.
ASF hints at WMV style containers.
HOW TO USE
STEP BY STEP
1. Choose or drop a video file.
2. Press SCAN.
3. Read container, brand and likely extension.
4. Copy the summary if needed.
PLAYBACK CHECKS
MP4, WebM, OGG and HLS checks use canPlayType.
YES means likely supported.
MAYBE means partial browser confidence.
NO means unsupported or unknown.
HEADER OUTPUT
The hex box shows the first bytes read.
It is a working output box and may scroll.
This helps compare exact signatures.
KEYBOARD
SPACE scans when a file is ready.
ESC returns to page 1.
Arrow keys move through internal pages.
LIMITS AND DEVICE NOTES
CONTAINER VS CODEC
MP4 is a container, not a codec.
An MP4 can contain H.264, H.265 or AV1.
WebM can contain VP8, VP9 or AV1.
WHEN UNKNOWN APPEARS
The file may use a rare container.
The file may be damaged or encrypted.
The first bytes may not match known signatures.
PHONE AND TABLET
Header scanning is lightweight.
Video preview may still fail on mobile.
Large files only need a small header read.
DESKTOP
Desktop browsers usually preview more formats.
Use copy info for bug reports.
Use full metadata tools for codec depth.
RELATED VIDEO TOOLS
VIDEO SIBLINGS
CONVERSION LINKS
INDEX LINKS
PAGE NOTES
Previous page: 747 Extract Audio.
Current page: 748 Video Format Detector.
Next page: 749 Advanced Video Converter.