SwingFiles
mpg → alacEXTRACT • Local processing

Extract audio .MPG → .ALAC

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 .MPG → .ALAC

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: MPG (.mpg) vs ALAC (.alac)

Specification ParameterSource: .MPG (MPG)Target: .ALAC (ALAC)
Full Format NameMPEG Program StreamApple Lossless Audio Codec
IANA MIME Typevideo/mpegaudio/x-m4a
Magic Byte Signature (Hex)00 00 01 B366 74 79 70 4D 34 41 20
Compression & FidelityLossy / PerceptualLossless Supported
Alpha / Transparency & DepthYUV 4:2:0 / 10-bit HDR StreamUTF-8 / Binary Structured Stream
Typical Size Reduction Ratio15:11.9:1
OS & Platform SupportCross-Platform via SwingFiles WebAssembly EngineCross-Platform via SwingFiles WebAssembly Engine

Processing Steps

  1. 1. Drop .MPG Files Locally
    Choose MPG (video/mpeg) 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 .ALAC or Swing P2P
    Download the .alac output, export a batch ZIP, or choose "Convert & Swing" to transfer it to another device.

Frequently Asked Questions

What does this MPG to ALAC 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 .mpg file leave my device?

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

Can I process large .mpg 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 (ALAC-TO-MPG) & Related Format Conversions

Reverse: alac to mpg
ALAC to MPGMPG to MP3MPG to WAVMPG to FLACMPG 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
---

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