SwingFiles
LCP Speed OptimizerTarget Cap: <1 MBEngine: ImageMagick.wasm + Canvas

WebP & AVIF Web Performance Optimizer

Cut PNG and JPG payload weights by 65–85% while preserving crisp alpha transparency.

WebP & AVIF Web Performance Optimizer (Target <1MB)

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 WebP & AVIF Web Performance Optimizer Works Locally

  1. 1
    Drop Site Assets
    Drag hero banners, product PNGs, and UI icons into the workspace.
  2. 2
    Encode WebP
    Hardware-accelerated OffscreenCanvas encodes optimized WebP buffers.
  3. 3
    Batch ZIP Export
    Download all optimized assets bundled cleanly via fflate.

Preset FAQs

Does WebP preserve PNG transparency?

Yes, our encoder preserves full 8-bit alpha channels automatically.

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