Compress JPG Online

40% – 75% Savings

Lossy DCT quantization matrix, 4:2:0 chroma subsampling, and EXIF purging. Files are processed 100% in your browser memory and never leave your device.

Compression Preset:
Select or drag files

Select or drop files here

100% private in-browser conversion - files never leave your device

or paste Ctrl+V

How In-Browser JPG Compression Works

File2File executes local compression algorithms in browser memory using WebAssembly and HTML5 APIs:

  • Strips camera metadata, GPS location coordinates, and device serial tags.
  • Optimizes discrete cosine transform (DCT) coefficient tables.
  • Configurable quality slider between 10% and 95%.

Zero-Knowledge Privacy Guarantee

Unlike traditional online compression websites that upload your confidential files to remote cloud servers, File2File runs 100% client-side.

Zero-Network-Transmission Privacy Guarantee: 0 bytes uploaded to external servers. All processing occurred locally in your browser sandbox.

Your browser downloads our compiled WebAssembly binary once, and all byte operations run directly within your local hardware RAM. No tracking, no logs, no copies saved.

View JPG Technical Specifications & Magic Bytes →

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