Image Load Lab - EXIF removal benchmark verification
Run date: 2026-08-12
Fixture: original deterministic synthetic 1500x1000 RGB image
Environment: win32 Windows_NT x64; Node.js v24.19.0; Sharp 0.35.3; libvips 8.18.3; MozJPEG 0826579

Before file: ill-exif-benchmark-before-with-exif.jpg
Before size: 199407 bytes
Before EXIF APP1 segments: 1
Before file SHA-256: 4ad2c78e66b7e3fdfbe525c159ca4361802334154d8103f4fd1ea5f19ffd7963

After file: ill-exif-benchmark-after-no-exif.jpg
After size: 198657 bytes
After EXIF APP1 segments: 0
After file SHA-256: af9a97feb3a02e0ca828873f1b9c871c8296594abe7c31f5556779de29c67747

Removed bytes: 750
EXIF segment bytes: 750
Relative reduction: 0.376115%
Stripped file equals pre-EXIF JPEG byte-for-byte: true

Decoded RGB bytes: 4500000
Decoded RGB SHA-256 (before): 016971e256042fd192c9e94d23b0fd237043b905d92a3a31bdd5b43a70e0bf9f
Decoded RGB SHA-256 (after): 016971e256042fd192c9e94d23b0fd237043b905d92a3a31bdd5b43a70e0bf9f
Changed RGB channel samples: 0
Maximum absolute channel difference: 0
Mean squared difference: 0

All checks passed. This verifies this exact fixture and method only.
