Sobre os arquivos OGV
Vídeo OGV
Container Ogg para vídeo, geralmente com codec Theora. Padrão aberto livre de royalties usado por Wikipedia e Wikimedia. Substituído por WebM em web moderna.
Família
Video Files
Extensão
.ogv
Tipo MIME
video/ogg
Pode ser usado como
COMO NASCEU O
FORMATO OGV.
OGV is the Ogg container with video tracks inside — usually Theora, sometimes VP8 or Dirac. Theora itself descended from VP3, a codec On2 Technologies open-sourced in 2001; Xiph.Org maintained it into Theora 1.0 (2008). The .ogv extension was formalized around 2007 to give video-bearing Ogg files a clearly different extension from audio-only .ogg or .oga.
OGV’s moment came in the late 2000s when the HTML5 <video> tag was still figuring out which codec to bundle by default. Firefox, Opera, and Chrome added Theora playback; Safari and IE refused on licensing grounds. Wikipedia mandated OGV for all video uploads in 2010. Then WebM (VP8, 2010; VP9, 2013) arrived with better compression and the open-codec baton passed. Today OGV is mostly a Wikipedia and museum-grade-archive format.
CURIOSIDADES E
FATOS INTERESSANTES.
Wikipedia requires all uploaded video to be in OGV or WebM — you cannot upload an MP4.
Theora inside OGV descends from VP3, an On2 codec open-sourced in 2001 — years before On2 was bought by Google and created VP8/VP9.
Between 2008 and 2012, HTML5's default "open" video was OGV — until WebM overtook it.
A single Ogg container can multiplex Theora video, Vorbis audio, and Kate subtitles all in one .ogv file.
Theora's compression efficiency lagged H.264 by a generation, which is why WebM/VP9 overtook it among open codecs.
VANTAGENS E
LIMITAÇÕES.
Vantagens
- Patent-free codec (Theora) and container (Ogg).
- Mandatory for Wikipedia uploads — preserves public-domain video.
- Good for small educational clips.
- Open-source reference implementations.
Limitações
- Compression lags H.264 by ~40% at equal quality.
- Hardware decoders never adopted Theora.
- WebM (VP9/AV1) is the modern open-codec choice.
- iOS and Safari never supported Theora natively.
Tamanhos típicos de arquivo
Short educational clip (1 min, 480p)
8-15 MB
Wikipedia demo video
5-50 MB
Especificações técnicas
- MIME type
- video/ogg
- Extension
- .ogv
- Container
- Ogg
- Video codec
- Theora (typical); Dirac, VP8 (rare)
- Audio codec
- Vorbis, Opus, FLAC
CONVERTER A PARTIR DE
OGV
Casos de uso comuns
Open source video, web
Formatos relacionados
Comparativos populares
OGV vs JPG
Diferenças, tamanho de arquivo e quando escolher cada formato.
OGV vs PNG
Diferenças, tamanho de arquivo e quando escolher cada formato.
OGV vs WEBP
Diferenças, tamanho de arquivo e quando escolher cada formato.
OGV vs GIF
Diferenças, tamanho de arquivo e quando escolher cada formato.
OGV vs BMP
Diferenças, tamanho de arquivo e quando escolher cada formato.
OGV vs MP4
Diferenças, tamanho de arquivo e quando escolher cada formato.
Conversões populares de OGV
Os destinos mais procurados ao converter arquivos OGV.
Perguntas frequentes sobre OGV
Perguntas frequentes
OGV (OGV Video) is a video container formato that bundles one ou more video streams, audio tracks, e optional subtitles em a single file. The container formato determines how metadata is organised e which codecs can live inside; the visual quality itself depende de the codec (H.264, H.265, VP9, AV1) em vez de the OGV wrapper. It is part of the video arquivos family.
VLC, MPV e PotPlayer reproduzir nearly every OGV arquivo on desktop. Browser support varies: moderno Chromium, Firefox e Safari reproduzir common containers via the HTML5 <video> tag, mas niche OGV variants may fail. If a device refuses your OGV, converter to MP4 com our OGV to MP4 converter para universal playback.
Upload your OGV to KaijuConverter e pick MP4, MOV, MKV, WebM, ou any other target. Our pipeline uses FFmpeg under the hood e stream-copies when codecs are compatível (no quality loss) ou transcodes at alta-quality defaults otherwise. Conversion runs server-side; both arquivos delete within two hours.
Only when the target requires re-encoding. If the codecs inside OGV match what the target container supports, FFmpeg stream-copies the streams e the output is bit-identical para o source. Transcoding uses transparente quality defaults (CRF 20–23 H.264) e produces output indistinguishable de the original at normal viewing distance.