SwingFiles
Batch HEIC DecoderTarget Cap: <5 MBEngine: ImageMagick.wasm + Canvas

Unlimited Bulk HEIC to JPG Converter

Convert hundreds of iPhone HEIC/HEIF photos to universal JPG or PNG locally in seconds.

Unlimited Bulk HEIC to JPG Converter (Target <5MB)

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 Unlimited Bulk HEIC to JPG Converter Works Locally

  1. 1
    Select HEIC Photos
    Pick 1 or 500+ HEIC photos from your camera roll or desktop.
  2. 2
    Parallel Worker Decode
    Multi-threaded ImageMagick.wasm + Canvas converts files simultaneously.
  3. 3
    Download ZIP or Swing
    Grab a single SIMD-packed ZIP archive or beam directly to PC.

Preset FAQs

Do my private iPhone photos ever leave my device?

Never. Decoding happens inside a sandboxed Web Worker on your own device.

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