{
  "fileFormatID": 1081,
  "formatName": "Graphic Workshop for Windows Thumbnail File",
  "version": null,
  "formatDescription": "Image thumbnail files created by default within Graphic Workshop whenever a graphic file is written or updated. Can contain image, keywords and/or comment information. THN files are read by Graphic Workshop when it wants to display thumbnail images. The files themselves do not store graphics in any conventional sense.",
  "releaseDate": null,
  "binaryFileFormat": null,
  "formatNote": null,
  "lastUpdatedDate": "20 Apr 2011",
  "formatProvenance": null,
  "formatSourceDate": "20 Apr 2011",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": "Image (Raster)",
  "formatFamilies": null,
  "identifiers": [
    {
      "identifierText": "fmt/336",
      "identifierType": "PUID"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 447,
      "name": "Graphic Workshop Thumbnail File",
      "note": "Header ASCII: THNL",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": null,
          "byteSequence": "54484E4C",
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      ]
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  ],
  "externalSignatures": [
    {
      "externalSignature": "thn",
      "signatureType": "File extension"
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  "relationships": [],
  "submittedBy": [
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}