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FLV vs PNG

FLV vs PNG

Ein detaillierter Vergleich von Flash Video und PNG Image — Dateigröße, Qualität, Kompatibilität und welches je nach Workflow zu wählen ist.

FLV

Flash Video

Video Files

FLV was the dominant web video format during the Flash era. While Flash is now deprecated, many legacy video files still exist in FLV format and need conversion to modern formats.

Über FLV-Dateien
PNG

PNG Image

Raster & Vector Images

PNG is a lossless image format that supports transparency. It is ideal for graphics, logos, screenshots, and any image where preserving exact pixel data is important.

Über PNG-Dateien

Vorteilsvergleich

FLV Vorteile

  • Low overhead — the container is extremely compact.
  • Designed for streaming — progressive download and seeking work well.
  • Decoded natively by Flash Player on every OS for 20 years.

PNG Vorteile

  • Lossless compression — every save preserves the original pixels perfectly.
  • Full 8-bit alpha channel for smooth transparency.
  • Excellent for text, UI screenshots, logos, and line art.
  • Royalty-free and an ISO standard (ISO/IEC 15948).
  • Supports 16-bit color depth for high-fidelity work.

Einschränkungen

FLV Einschränkungen

  • Flash Player is dead — no modern browser can play FLV without conversion.
  • Legacy codecs (Sorenson, VP6) are poorly supported in modern tooling.
  • Hardware video decoders never added FLV support.
  • Metadata format is primitive compared to MP4 or MKV.
  • Actively harmful to use today — every major security agency has warned against Flash since 2015.

PNG Einschränkungen

  • Much larger than JPEG for photographs (no perceptual compression).
  • No native animation in most software (APNG support is inconsistent).
  • No CMYK support — web and screen only, not print.
  • Metadata capabilities are less rich than JPEG's EXIF.

Technische Spezifikationen

Spezifikation FLV PNG
MIME type video/x-flv image/png
Extensions .flv, .f4v
Video codecs Sorenson Spark, VP6, H.264 (F4V)
Audio codecs MP3, Nellymoser, AAC
Status Deprecated since December 31, 2020
Compression Lossless — DEFLATE (zlib)
Color depth 1, 2, 4, 8 or 16 bits per channel
Max dimensions 2^31 − 1 pixels per side (2.1 billion)
Transparency Full 8-bit alpha channel
Standard ISO/IEC 15948:2004

Typische Dateigrößen

FLV

  • 10-min YouTube 2008-era video 40-80 MB
  • 45-min TV show (FLV H.264) 200-500 MB

PNG

  • Icon or small logo 2–20 KB
  • UI screenshot (1920×1080) 200–800 KB
  • High-res photo (12 MP) 10–30 MB
  • Print-ready illustration 5–50 MB

Bereit zum Umwandeln?

Wandle zwischen FLV und PNG online um, kostenlos und ohne Installation. Verschlüsselter Upload, automatische Löschung in 60 Minuten.

Häufig gestellte Fragen

FLV (Flash Video) is a video container format that bundles one or more video streams, audio tracks, and optional subtitles into a single file. The container format determines how metadata is organised and which codecs can live inside; the visual quality itself depends on the codec (H.264, H.265, VP9, AV1) rather than the FLV wrapper. It is part of the video files family.

FLV (Flash 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 FLV wrapper. It is part of the video arquivos family.

VLC, MPV and PotPlayer play nearly every FLV file on desktop. Browser support varies: modern Chromium, Firefox and Safari play common containers via the HTML5 <video> tag, but niche FLV variants may fail. If a device refuses your FLV, convert to MP4 with our FLV to MP4 converter for universal playback.

VLC, MPV e PotPlayer reproduzir nearly every FLV arquivo on desktop. Browser support varies: moderno Chromium, Firefox e Safari reproduzir common containers via the HTML5 <video> tag, mas niche FLV variants may fail. If a device refuses your FLV, converter to MP4 com our FLV to MP4 converter para universal playback.

Upload your FLV to KaijuConverter and pick MP4, MOV, MKV, WebM, or any other target. Our pipeline uses FFmpeg under the hood and stream-copies when codecs are compatible (no quality loss) or transcodes at high-quality defaults otherwise. Conversion runs server-side; both files delete within two hours.

Only when the target requires re-encoding. If the codecs inside FLV match what the target container supports, FFmpeg stream-copies the streams and the output is bit-identical to the source. Transcoding uses transparent quality defaults (CRF 20–23 H.264) and produces output indistinguishable from the original at normal viewing distance.

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