LOAD VIDEO FILE

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/

COMMON SEARCHES

video format detector online

identify video file type

check if video is MP4 or WebM

detect video by magic bytes

WHO USES IT

Editors checking unknown clips.

Developers debugging video uploads.

Creators sorting MP4, MOV and WebM files.

Students learning file signatures.

PRIVACY

The file is not uploaded.

Header reading runs inside the browser.

Preview is optional and local.

CLEAR removes local object links.

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 or 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.

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.

KEYBOARD

SPACE scans when a file is ready.

ESC returns to page 1.

Arrow keys move through internal pages.

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.

VIDEO SIBLINGS

CONVERSION LINKS