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Convert SWF to AVI: Free Online Converter

Convert Shockwave Flash to Audio Video Interleave online for free. Fast, secure video conversion with no watermarks or registration.

163,297件のファイルを変換済み

SWFに対応

アップロードすることで、これらのファイルの権利を有していること、および利用規約に同意することを確認したものとみなされます。

変換設定: ファイルを追加すると調整できます

Format: HH:MM:SS (leave empty to start from beginning)

Format: HH:MM:SS (leave empty to keep until end)

0100%200

0% = silent, 100% = original, 200% = double loudness

00s10

Gradually fade the audio track in over this many seconds

00s10

Gradually fade the audio track out over the final seconds

Keep original audio cannot be combined with volume, fades, bitrate or sample rate.

Makes a silent video.

02363

Lower = better quality, larger file. Default: 23

Horizontal offset (px) from left edge

Vertical offset (px) from top edge

Width of crop area (px). 0 = no crop

Height of crop area (px). 0 = no crop

Remove EXIF data, GPS, camera info

安全な転送

HTTPS暗号化アップロード

プライバシー優先

ゲストのファイルは約2時間で自動削除

登録不要

すぐに変換を開始

どこでも動作

あらゆるブラウザ、あらゆるデバイス

SWF から AVI への設定

エンジン
メディア
設定
調整できる設定: 23
  • Trim Start
  • Trim End
  • Volume
  • Audio Fade In
  • Audio Fade Out
  • Video Codec
  • Quality (CRF)
  • Resolution
  • Frame Rate
  • Resize Mode
  • Audio Channels
  • Crop X

変換方法

1

アップロードエリアにドラッグするか、クリックして選択し、.swfファイルをアップロードしてください。

2

必要に応じて出力設定を調整してください。デフォルト設定ではオリジナルの品質を維持します。

3

「変換」をクリックし、準備ができたら.aviファイルをダウンロードしてください。

SWFからAVIへの変換について

SWF (Shockwave Flash) is Adobe's discontinued multimedia container that stored vector animations, bitmap sequences, and embedded video with interactivity. AVI (Audio Video Interleave) is Microsoft's legacy video container introduced in 1992, storing interleaved video and audio streams in the RIFF structure. Converting SWF to AVI extracts the visual content from the Flash format and packages it in the long-established AVI container that is compatible with virtually every Windows video application and editor.

AVI's simplicity and ubiquity make it a practical choice for archiving Flash content. Every version of Windows Media Player, every video editor from Adobe Premiere to VirtualDub, and every legacy media application supports AVI. For Flash content preservation in Windows-centric environments, AVI provides reliable, universally supported storage.

SWFをAVIに変換する理由

AVI is the most widely supported video container on Windows. When Flash animations and presentations need to be incorporated into Windows-based video editing workflows, played on Windows media systems, or archived in a format that Windows applications have supported for three decades, AVI is the natural target. The format requires no codec installation or special configuration on any Windows system.

AVI is also commonly used as an intermediate format in video production. Flash animations converted to AVI can be imported into video editors (Premiere, Vegas, DaVinci Resolve), composited with other footage, and exported to final delivery formats. AVI's simple structure makes it a reliable transfer format between production stages.

主な活用例

  • Import Flash animations into Windows video editors as AVI clips
  • Archive Flash content in a universally supported Windows video format
  • Incorporate SWF animations into PowerPoint presentations via AVI embedding
  • Create video compilations from Flash animation archives
  • Prepare Flash content for playback on legacy Windows media systems

仕組み

The conversion engine is built to decode the SWF container, extract visual frames and audio, and re-encode them into an AVI container. Video is encoded using MPEG-4 ASP (DivX-compatible) or H.264 for modern compatibility. Audio is encoded as MP3 or PCM within the AVI. Frame rate matches the SWF's specified FPS (commonly 12, 24, or 30 fps for Flash content). Resolution matches the SWF stage dimensions.

品質とパフォーマンス

Visual quality depends on the source SWF content type. Flash video converts at quality limited by the original encoding. Vector animations are rasterized at the SWF stage dimensions with anti-aliasing. The AVI encoding quality matches the chosen codec settings — MPEG-4 at reasonable bitrates preserves good visual quality. AVI with PCM audio preserves sound at full fidelity.

Media EngineModerateMinimal Quality Loss

デバイス互換性

DeviceSWFAVI
Windows PCPartialNative
macOSPartialPartial
iPhone/iPadPartialPartial
AndroidPartialPartial
LinuxPartialPartial
Web BrowserNoNo

プラットフォーム別の推奨設定

YouTube

Resolution: 1920x1080

Bitrate: 8-12 Mbps

H.264 recommended for fast processing

Instagram

Resolution: 1080x1080

Bitrate: 3.5 Mbps

Square or 9:16 for Reels

TikTok

Resolution: 1080x1920

Bitrate: 4 Mbps

9:16 vertical, under 60s ideal

Twitter/X

Resolution: 1280x720

Bitrate: 5 Mbps

Under 140s, 512MB max

WhatsApp

Resolution: 960x540

Bitrate: 2 Mbps

16MB limit for standard, 64MB for document

Discord

Resolution: 1280x720

Bitrate: 4 Mbps

8MB free, 50MB Nitro

最良の結果を得るためのヒント

  • 1Use MP4 instead of AVI for web distribution — AVI is better suited for editing and archival
  • 2Choose PCM audio in the AVI for lossless sound when editing quality is important
  • 3Match the output resolution to the SWF stage size to avoid unnecessary scaling
  • 4Convert at the original Flash frame rate for accurate animation timing
  • 5Batch convert Flash archives to AVI for organized video library management on Windows

関連する変換

SWF to AVI conversion produces Windows-compatible video from Flash content, creating universally playable files suitable for editing, archiving, and presentation.

SWFとAVIの比較

特徴SWFAVI
正式名称Shockwave FlashAudio Video Interleave
拡張子.swf.avi

よくある質問

AVI is excellent for Windows compatibility and video editing workflows. For modern web distribution, MP4 or WebM are better choices. For archival and editing, AVI remains practical.
Yes. AVI with common codecs (MPEG-4, MP3) plays natively in every version of Windows Media Player without additional codec installations.
AVI files can be large, especially with high-quality codec settings. For a compact file, convert to MP4 instead. AVI is better when quality and compatibility take priority over file size.
Yes. AVI is supported by virtually every video editor — Premiere Pro, DaVinci Resolve, Vegas Pro, Filmora, and all others.
The default is MPEG-4 ASP for broad compatibility. H.264 in AVI is also supported for better quality at lower bitrates.

関連する変換とツール

他の形式からAVIへの変換

関連ツール

SWFを他の形式に変換

他の形式をAVIに変換