SwingFiles
<16MB Voice & Music PresetTarget Cap: <16 MBEngine: FFmpeg.wasm + WebCodecs

WhatsApp Audio & Voice Note Compressor

Convert WAV, FLAC, and MP3 recordings into ultra-crisp Opus/AAC under 16MB.

WhatsApp Audio & Voice Note Compressor (Target <16MB)

Drop Files for Local Browser Processing

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

Target Format & Engine Parameters
Compute Engine:

How WhatsApp Audio & Voice Note Compressor Works Locally

  1. 1
    Drop Audio Masters
    Load uncompressed WAV, AIFF, or FLAC files.
  2. 2
    Encode VBR Audio
    Applies perceptual psychoacoustic encoding at 96–128 kbps.
  3. 3
    Send to Phone
    Scan the QR code to swing the compressed audio directly to your phone.

Preset FAQs

Can I transfer the compressed audio directly to my iPhone or Android?

Yes! Click Convert & Swing to beam the output directly over local Wi-Fi.

More Target-Size Compression Workflows

Discord Video Compressor (<10MB & <25MB)Compress Any Video Under 10MB25MB Video Compressor (Email & Discord Basic)WhatsApp Audio & Voice Note CompressorUnlimited Bulk HEIC to JPG ConverterWebP & AVIF Web Performance OptimizerZero-Upload Parquet to CSV / JSON ExporterSIMD Multi-File ZIP & GZIP Compressor

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