SwingFiles
flv → aiffEXTRACT • Local processing

Extract audio .FLV → .AIFF

Export the audio track from the video to the target audio format. Video frames are not included in an audio output.

Output scope: Video frames are not included in an audio output.

Extract audio .FLV → .AIFF

Drop Files for Local Browser Processing

Auto-detects magic bytes • Zero daily caps • Instant ZIP & P2P Swing chaining

Target Format & Engine Parameters

EXTRACT: Export the audio track from the video to the target audio format. Video frames are not included in an audio output.

Compute Engine:

Technical Specifications: FLV (.flv) vs AIFF (.aiff)

Specification ParameterSource: .FLV (FLV)Target: .AIFF (AIFF)
Full Format NameFlash Video StreamAudio Interchange File Format
IANA MIME Typevideo/x-flvaudio/aiff
Magic Byte Signature (Hex)46 4C 56 0146 4F 52 4D
Compression & FidelityLossy / PerceptualLossless Supported
Alpha / Transparency & DepthYUV 4:2:0 / 10-bit HDR StreamUTF-8 / Binary Structured Stream
Typical Size Reduction Ratio20:11.0:1
OS & Platform SupportCross-Platform via SwingFiles WebAssembly EngineCross-Platform via SwingFiles WebAssembly Engine

Processing Steps

  1. 1. Drop .FLV Files Locally
    Choose FLV (video/x-flv) files from your device. The browser checks their type before processing.
  2. 2. Extract Locally
    Export the audio track from the video to the target audio format.
  3. 3. Save .AIFF or Swing P2P
    Download the .aiff output, export a batch ZIP, or choose "Convert & Swing" to transfer it to another device.

Frequently Asked Questions

What does this FLV to AIFF route produce?

Export the audio track from the video to the target audio format. Video frames are not included in an audio output.

Does the .flv file leave my device?

The conversion runs in your browser. Files are not uploaded to a conversion server.

Can I process large .flv files or batches?

There is no daily conversion quota. Large files and batch size depend on available browser memory and the format engine.

Reverse Pair (AIFF-TO-FLV) & Related Format Conversions

Reverse: aiff to flv
AIFF to FLVFLV to MP3FLV to WAVFLV to FLACFLV to AAC

Same-Wi-Fi P2P Radar Discovery

Devices on the same Wi-Fi appear automatically below — zero codes needed

Scanning local Wi-Fi subnet… Open this page on another device to pair automatically
AES-256-GCM file key stays in the peer channel; compare fingerprints before transferringPeer-to-peer · live speed appears during transfer

Phone ↔ PC Room Pairing

VERIFY PEER
6-Digit Swing Room Code
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Drop Unlimited Files to Swing (20GB+ Direct-to-Disk Stream)

Zero cloud upload caps • 64KB chunked SCTP DataChannel • 4MB backpressure • Mobile Screen WakeLock protection

Ready for zero-cloud WebRTC SCTP streaming (64KB chunks, 4MB backpressure control).
WakeLock: STANDBY