{
  "schemaVersion": 1,
  "article": "Lossless Image Compression on Windows: What ‘Verified Lossless’ Means",
  "generated": "2026-08-06",
  "items": [
    {
      "path": "screenshots/01-lossless-mode.png",
      "mimeType": "image/png",
      "role": "lossless-options-state",
      "alt": "LocalFlux with two synthetic files under C:\\tmp and the Lossless strategy selected.",
      "caption": "Lossless optimization selected for a two-file synthetic batch.",
      "bytes": 254280,
      "sha256": "CAFDA2E59602A61B5560F43C342C37D432C49A855B3A02704862B7CFF290941A"
    },
    {
      "path": "screenshots/02-verified-smaller.png",
      "mimeType": "image/png",
      "role": "verified-smaller-result",
      "alt": "LocalFlux showing a verified lossless GIF result that is 92 percent smaller.",
      "caption": "Verified lossless GIF result: 643.3 KB to 53.1 KB.",
      "bytes": 244068,
      "sha256": "BD5A260A1802CE47AE80962E71149E4EE674A403E9D7310233ED651350098039"
    },
    {
      "path": "screenshots/03-already-optimized.png",
      "mimeType": "image/png",
      "role": "exact-copy-fallback-result",
      "alt": "LocalFlux showing an 8.1 KB PNG marked Lossless verified and Already optimized.",
      "caption": "Verified exact-copy fallback for an already-optimized PNG.",
      "bytes": 236863,
      "sha256": "BF8915486BB8A7B7606F06F7FCE35481908C21F47E0CD2096B3AA4D0542D3008"
    },
    {
      "path": "samples/dashboard-animation-repeated-frames.gif",
      "mimeType": "image/gif",
      "role": "source-fixture",
      "alt": "",
      "caption": "Synthetic 12-frame GIF source fixture.",
      "bytes": 658785,
      "sha256": "202D74DFBBEA150AE514BBE064602F73F150BAB438B39269371013D71F68B0D2"
    },
    {
      "path": "outputs/dashboard-animation-repeated-frames_optimized.gif",
      "mimeType": "image/gif",
      "role": "verified-smaller-output",
      "alt": "",
      "caption": "Verified smaller GIF output with matching rendered frames.",
      "bytes": 54329,
      "sha256": "BE4170949D86B8E0819A181A25DDD3718BF2AD79E7C1E80F8B9D4D60017B2C02"
    },
    {
      "path": "samples/already-optimized-icon.png",
      "mimeType": "image/png",
      "role": "exact-copy-source-fixture",
      "alt": "",
      "caption": "Synthetic already-optimized PNG control fixture.",
      "bytes": 8290,
      "sha256": "F287BBCE8EB98A9F19416DCE1A74A759F3AC8DDA69ADB338022CB1B8F90BD937"
    },
    {
      "path": "outputs/already-optimized-icon_optimized.png",
      "mimeType": "image/png",
      "role": "exact-copy-output",
      "alt": "",
      "caption": "Byte-identical PNG fallback output.",
      "bytes": 8290,
      "sha256": "F287BBCE8EB98A9F19416DCE1A74A759F3AC8DDA69ADB338022CB1B8F90BD937"
    }
  ]
}