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H264 file
h264
Dateiformat

Über H264-Dateien

H.264 Raw Stream

Veröffentlicht 2003 Von ITU-T VCEG + ISO/IEC MPEG (JVT)

Das H264-Format ist eine Dateispezifikation, die in verschiedenen professionellen und privaten Kontexten verwendet wird. Wandle H264-Dateien online und kostenlos zu anderen kompatiblen Formaten mit dem KaijuConverter um — keine Anmeldung, keine Software-Installation, sicher und privat. Die Verarbeitung erfolgt in der Cloud mit Verschlüsselung während der Übertragung und automatischer Löschung nach zwei Stunden.

Familie

Video Files

Erweiterung

.h264

MIME-Typ

video/h264

Kann verwendet werden als

Eingabe
Die Geschichte

WIE DAS
FORMAT H264 ENTSTAND.

2003
2010

H.264 — formally ITU-T Rec. H.264 / ISO/IEC 14496-10, also called AVC (Advanced Video Coding) or MPEG-4 Part 10 — was ratified in May 2003 by a Joint Video Team of experts from ITU-T and ISO/IEC MPEG. The goal was roughly 2× the compression efficiency of MPEG-2 at equivalent quality. It succeeded dramatically: at equal bitrate an H.264 stream looked visibly better than MPEG-2, and at equal quality files were 40-50% smaller.

H.264 became the most deployed video codec in history. Every Blu-ray disc, YouTube video before VP9, every iPhone recording, every Netflix stream, every WebRTC call, every satellite TV broadcast, every security camera since 2010 — all H.264. The patent licensing pool (MPEG LA and later Via LA) became contentious: decoding is royalty-free for consumer playback, but encoding and commercial distribution require licensing. The .h264 extension refers specifically to raw NAL-unit bytestreams (rather than .mp4/.mkv containers holding H.264 inside).

WISSENSWERTES UND
INTERESSANTE FAKTEN.

01

H.264 is encoded on every modern phone, recorded on every DSLR, streamed on every Netflix session — arguably the most-used codec in computing history.

02

The JVT (Joint Video Team) that designed H.264 unified two parallel efforts: ITU's H.26L and MPEG's MPEG-4 Advanced Video. The same spec got two names as a result.

03

.h264 raw files are just NAL unit bytestreams — no container, no sync. FFmpeg reads them by re-synthesizing frame boundaries.

04

The Main, High, High 10, and High 4:4:4 profiles of H.264 cover consumer phones through Hollywood masters.

05

Despite H.265 and AV1 being objectively better, H.264 still dominates every platform in 2026 because hardware decoders are universal.

VORTEILE UND
EINSCHRÄNKUNGEN.

Vorteile

  • Universal hardware decode on every device since ~2010.
  • 40-50% smaller than MPEG-2 at equal quality.
  • Mature ecosystem with dozens of encoders (x264 is the open-source gold standard).
  • Every browser, phone, TV, and car infotainment supports H.264.
  • Supports everything from 144p vertical phone video to 8K HDR masters.

Einschränkungen

  • Patent-encumbered — encoding royalties apply for commercial use.
  • 30-50% larger than H.265/AV1 at equivalent quality.
  • Raw .h264 bytestreams have no timecode — containers (MP4/MKV) add that.
  • High profiles decode slowly on pre-2010 hardware.

Typische Dateigrößen

1080p 30fps @ 5 Mbps (1 min)

~37 MB

4K 60fps @ 35 Mbps (1 min)

~260 MB

HD streaming (1 hour, 6 Mbps)

~2.7 GB

Technische Spezifikationen

MIME type
video/h264
Extensions
.h264, .264, .avc (raw bytestream)
Standard
ITU-T Rec. H.264 / ISO/IEC 14496-10 (AVC)
Typical containers
MP4, MKV, MOV, TS, FLV
Profiles
Baseline, Main, High, High 10, High 4:2:2, High 4:4:4

UMWANDELN VON
H264

Häufige Anwendungsfälle

Video encoding pipelines, hardware encoder output, raw stream processing

Verwandte Formate

Beliebte Vergleiche

Beliebte H264-Umwandlungen

Die meistgesuchten Ziele beim Umwandeln von H264-Dateien.

Häufig gestellte Fragen zu H264

Häufig gestellte Fragen

H264 (H.264 Raw Stream) is a video Container Format that bundles one oder more video streams, audio tracks, und optional subtitles in einem single file. The Container Format determines how metadata is organised und which Codecs can live inside; the visual quality itself hängt ab von the Codec (H.264, H.265, VP9, AV1) rather than the H264 wrapper. It is part des video Dateien family.

VLC, MPV und PotPlayer abspielen nearly every H264 Datei on desktop. Browser support varies: modern Chromium, Firefox und Safari abspielen common Containers via the HTML5 <video> tag, aber niche H264 variants may fail. If a device refuses your H264, umwandeln to MP4 mit our H264 to MP4 converter für universell playback.

Upload your H264 to KaijuConverter und pick MP4, MOV, MKV, WebM, oder any other target. Our pipeline uses FFmpeg under the hood und stream-copies when Codecs are kompatibel (no quality loss) oder transcodes at hoch-quality defaults otherwise. Conversion runs server-side; both Dateien delete within two hours.

Only when the target requires re-encoding. If the Codecs inside H264 match what the target Container supports, FFmpeg stream-copies the streams und the output is bit-identical zum source. Transcoding uses transparent quality defaults (CRF 20–23 H.264) und produces output indistinguishable von the original at normal viewing distance.

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