{"id":12626,"date":"2026-01-28T15:31:39","date_gmt":"2026-01-28T06:31:39","guid":{"rendered":"https:\/\/rakkoserver.com\/plus\/?p=12626"},"modified":"2026-01-28T15:31:39","modified_gmt":"2026-01-28T06:31:39","slug":"tool-avif-jpg","status":"publish","type":"post","link":"https:\/\/rakkokeyword.com\/techo\/tool-avif-jpg\/","title":{"rendered":"AVIF\u2192JPG\u5909\u63db\u30c4\u30fc\u30eb"},"content":{"rendered":"\n<!--\u5185\u90e8\u30ea\u30f3\u30af\u30bf\u30d6\u7528HTML\uff0bCSS-->\n<div class=\"tmp_link_area_tab\">\n  <div class=\"tmp_tab_container\">\n    <a href=\"\/techo\/tool-avif-png\/\" class=\"tmp_tab_item tmp_tab_link\">\n     AVIF \u21d2 PNG\n    <\/a>\n    <span class=\"tmp_tab_item tmp_tab_active\">AVIF \u21d2 JPG<\/span>\n  <\/div>\n<\/div>\n<style>\n.tmp_link_area_tab {\n  margin-bottom: 20px;\n  border-bottom: 1px solid #ccc;\n}\n.tmp_tab_container {\n  display: flex;\n  flex-wrap: wrap;\n  gap: 5px;\n}\n.tmp_tab_item {\n  padding: 8px 12px;\n  font-size: 14px;\n  text-decoration: none;\n  border: 1px solid #ccc;\n  border-bottom: none;\n  border-radius: 4px 4px 0 0;\n  background-color: #f9f9f9;\n  color: #666;\n  display: block;\n  cursor: pointer;\n}\n.tmp_tab_link:hover {\n  background-color: #eee;\n}\n.tmp_tab_active {\n  background-color: #fff;\n  color: #333;\n  font-weight: bold;\n  border-bottom: 1px solid #fff;\n  margin-bottom: -1px;\n  pointer-events: none;\n}\n<\/style>\n\n<div id=\"avifJpegConvert-container\" style=\"width: 100%; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #333;\">\n  <div id=\"avifJpegConvert-browser-check\" style=\"display: none; background: #fff3cd; border: 1px solid #ffc107; padding: 16px; border-radius: 6px; margin-bottom: 20px;\">\n    <p style=\"margin: 0; font-size: 14px; color: #856404;\">\n      <strong>\u26a0 \u30d6\u30e9\u30a6\u30b6\u975e\u5bfe\u5fdc<\/strong><br>\n      \u304a\u4f7f\u3044\u306e\u30d6\u30e9\u30a6\u30b6\u306fAVIF\u5f62\u5f0f\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002Chrome\u3001Firefox\u3001Safari\u306e\u6700\u65b0\u7248\u3092\u3054\u5229\u7528\u304f\u3060\u3055\u3044\u3002\n    <\/p>\n  <\/div>\n\n  <div id=\"avifJpegConvert-input-section\">\n    <div style=\"background: #f8f9fa; padding: 12px 16px; border-radius: 4px; margin-bottom: 20px; display: flex; align-items: center; gap: 10px;\">\n      <svg width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#28a745\" stroke-width=\"2\" aria-hidden=\"true\">\n        <path d=\"M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z\" \/>\n        <path d=\"M9 12l2 2 4-4\" \/>\n      <\/svg>\n      <span style=\"font-size: 14px; color: #555;\">\u5b89\u5fc3\u8a2d\u8a08\uff1a\u753b\u50cf\u306f\u304a\u5ba2\u69d8\u306e\u7aef\u672b\u5185\u3067\u51e6\u7406\u3055\u308c\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u306f\u9001\u4fe1\u3055\u308c\u307e\u305b\u3093<\/span>\n    <\/div>\n\n    <div id=\"avifJpegConvert-upload-area\" role=\"button\" tabindex=\"0\" aria-label=\"AVIF\u30d5\u30a1\u30a4\u30eb\u3092\u9078\u629e\" style=\"border: 2px dashed #ccc; border-radius: 8px; padding: 40px 20px; text-align: center; background: #fafafa; cursor: pointer; transition: all 0.3s; margin-bottom: 20px; position: relative;\">\n      <div id=\"avifJpegConvert-upload-initial\">\n        <svg width=\"48\" height=\"48\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#999\" stroke-width=\"2\" style=\"margin: 0 auto 12px;\" aria-hidden=\"true\">\n          <path d=\"M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4\" \/>\n          <polyline points=\"17 8 12 3 7 8\" \/>\n          <line x1=\"12\" y1=\"3\" x2=\"12\" y2=\"15\" \/>\n        <\/svg>\n        <p style=\"margin: 0 0 8px; font-size: 16px; font-weight: 600; color: #333;\">AVIF\u30d5\u30a1\u30a4\u30eb\u3092\u30c9\u30e9\u30c3\u30b0&amp;\u30c9\u30ed\u30c3\u30d7<\/p>\n        <p style=\"margin: 0 0 12px; font-size: 14px; color: #666;\">\u307e\u305f\u306f\u30af\u30ea\u30c3\u30af\u3057\u3066\u9078\u629e<\/p>\n        <p style=\"margin: 0; font-size: 12px; color: #999;\">\u5bfe\u5fdc\u5f62\u5f0f: AVIF\uff08\u6700\u592730\u679a\u3001\u540450MB\u4ee5\u4e0b\uff09<\/p>\n      <\/div>\n\n      <div id=\"avifJpegConvert-upload-selected\" style=\"display: none;\">\n        <svg width=\"48\" height=\"48\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#28a745\" stroke-width=\"2\" style=\"margin: 0 auto 12px;\" aria-hidden=\"true\">\n          <path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\" \/>\n          <polyline points=\"22 4 12 14.01 9 11.01\" \/>\n        <\/svg>\n        <p style=\"margin: 0 0 8px; font-size: 18px; font-weight: 700; color: #28a745;\"><span id=\"avifJpegConvert-file-count\">0<\/span>\u679a\u9078\u629e\u6e08<\/p>\n        <p style=\"margin: 0 0 12px; font-size: 14px; color: #666;\" id=\"avifJpegConvert-file-names\"><\/p>\n        <p style=\"margin: 0; font-size: 13px; color: #999;\">\u30af\u30ea\u30c3\u30af\u3067\u3055\u3089\u306b\u8ffd\u52a0\uff08\u6700\u592730\u679a\uff09<\/p>\n      <\/div>\n\n      <input type=\"file\" id=\"avifJpegConvert-file-input\" accept=\"image\/avif,.avif\" multiple style=\"display: none;\" aria-label=\"\u30d5\u30a1\u30a4\u30eb\u9078\u629e\">\n    <\/div>\n\n    <button id=\"avifJpegConvert-process-btn\" disabled aria-label=\"JPG\u5909\u63db\u3092\u958b\u59cb\" style=\"width: 100%; padding: 16px; background: #ccc; color: white; border: none; border-radius: 6px; font-size: 16px; font-weight: 600; cursor: not-allowed; margin-bottom: 20px; height: 48px;\">\n      AVIF\u30d5\u30a1\u30a4\u30eb\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\n    <\/button>\n\n    <div id=\"avifJpegConvert-progress\" role=\"progressbar\" aria-valuemin=\"0\" aria-valuemax=\"100\" aria-valuenow=\"0\" aria-live=\"polite\" style=\"display: none; margin-bottom: 20px;\">\n      <div style=\"background: #f0f0f0; border-radius: 10px; overflow: hidden; height: 20px; position: relative;\">\n        <div id=\"avifJpegConvert-progress-bar\" style=\"background: #13284B; height: 100%; width: 0%; transition: width 0.3s;\"><\/div>\n        <span id=\"avifJpegConvert-progress-text\" style=\"position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: 12px; color: #333; font-weight: 600;\"><\/span>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div id=\"avifJpegConvert-summary\" role=\"status\" aria-live=\"polite\" style=\"display: none; background: #e7f5e7; padding: 20px; border-radius: 8px; margin-bottom: 20px; text-align: center;\">\n    <p style=\"margin: 0 0 8px; font-size: 24px; font-weight: 700; color: #28a745;\" id=\"avifJpegConvert-summary-text\"><\/p>\n    <p style=\"margin: 0; font-size: 14px; color: #666;\">\u5909\u63db\u304c\u5b8c\u4e86\u3057\u307e\u3057\u305f<\/p>\n  <\/div>\n\n  <div id=\"avifJpegConvert-actions\" style=\"display: none; margin-bottom: 20px; gap: 12px; flex-wrap: wrap;\">\n    <button id=\"avifJpegConvert-download-all\" aria-label=\"\u5168\u3066\u306e\u753b\u50cf\u3092ZIP\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\" style=\"flex: 1; min-width: 200px; padding: 14px; background: #13284B; color: white; border: none; border-radius: 6px; font-size: 14px; font-weight: 600; cursor: pointer; height: 48px;\">\n      \u4e00\u62ec\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\uff08ZIP\uff09\n    <\/button>\n    <button id=\"avifJpegConvert-reprocess\" aria-label=\"\u5225\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u5909\u63db\" style=\"flex: 1; min-width: 180px; padding: 14px; background: white; color: #13284B; border: 2px solid #13284B; border-radius: 6px; font-size: 14px; font-weight: 600; cursor: pointer; height: 48px;\">\n      \u5225\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u5909\u63db\n    <\/button>\n  <\/div>\n\n  <div id=\"avifJpegConvert-results\" role=\"region\" aria-label=\"\u5909\u63db\u7d50\u679c\" style=\"display: none;\"><\/div>\n<\/div>\n\n<style>\n#avifJpegConvert-upload-area:hover {\n  border-color: #13284B;\n  background: #f0f8ff;\n}\n\n#avifJpegConvert-upload-area.has-files {\n  border-color: #28a745;\n  background: #f0fdf4;\n}\n\n#avifJpegConvert-upload-area:focus {\n  outline: 2px solid #13284B;\n  outline-offset: 2px;\n}\n\n.avifJpegConvert-result-item {\n  background: white;\n  border: 1px solid #e0e0e0;\n  border-radius: 6px;\n  padding: 16px;\n  margin-bottom: 12px;\n  display: flex;\n  gap: 16px;\n  align-items: center;\n  flex-wrap: wrap;\n}\n\n.avifJpegConvert-result-item.success {\n  border-left: 4px solid #28a745;\n}\n\n.avifJpegConvert-result-item.error {\n  border-left: 4px solid #dc3545;\n}\n\n.avifJpegConvert-thumbnail {\n  width: 80px;\n  height: 80px;\n  object-fit: cover;\n  border-radius: 4px;\n  border: 1px solid #e0e0e0;\n  flex-shrink: 0;\n}\n\n.avifJpegConvert-file-info {\n  flex: 1;\n  min-width: 200px;\n}\n\n.avifJpegConvert-file-actions {\n  display: flex;\n  gap: 8px;\n  flex-wrap: wrap;\n}\n\n@media (max-width: 768px) {\n  .avifJpegConvert-result-item {\n    flex-direction: column;\n    align-items: flex-start;\n  }\n\n  .avifJpegConvert-file-actions {\n    width: 100%;\n  }\n\n  .avifJpegConvert-file-actions button {\n    flex: 1;\n  }\n}\n<\/style>\n\n<script src=\"https:\/\/media-api.qcdgv19414.rakkoserver.net\/lib\/jszip.min.js\"><\/script>\n\n\n\n<p>\u3053\u306e\u30c4\u30fc\u30eb\u306f\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067AVIF\u30d5\u30a1\u30a4\u30eb\u3092JPG\u5f62\u5f0f\u306b\u7121\u6599\u3067\u4e00\u62ec\u5909\u63db\u3067\u304d\u308b\u30c4\u30fc\u30eb\u3067\u3059\u3002\u753b\u50cf\u306f\u30b5\u30fc\u30d0\u30fc\u3078\u9001\u4fe1\u3055\u308c\u305a\u3001\u304a\u4f7f\u3044\u306e\u7aef\u672b\u5185\u3067\u5b89\u5168\u306b\u51e6\u7406\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-0\">\u3053\u306e\u30c4\u30fc\u30eb\u3067\u3067\u304d\u308b\u3053\u3068<\/h2>\n\n\n\n<p>\u3053\u306e\u30c4\u30fc\u30eb\u306f\u3001\u6700\u65b0\u306e\u753b\u50cf\u5f62\u5f0f\u3067\u3042\u308b\u300cAVIF\uff08\u30a8\u30fc\u30d6\u30a4\u30a2\u30a4\u30a8\u30d5\uff09\u300d\u3092\u3001\u6700\u3082\u4e00\u822c\u7684\u306a\u753b\u50cf\u5f62\u5f0f\u3067\u3042\u308b\u300cJPG\uff08\u30b8\u30a7\u30a4\u30da\u30b0\uff09\u300d\u306b\u5909\u63db\u3059\u308bWeb\u30a2\u30d7\u30ea\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b8c\u5168\u7121\u6599\u30fb\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u4e0d\u8981<\/strong>: \u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3060\u3051\u3067\u3059\u3050\u306b\u4f7f\u3048\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u4e00\u62ec\u5909\u63db<\/strong>: \u6700\u592730\u679a\u306e\u753b\u50cf\u3092\u4e00\u5ea6\u306b\u307e\u3068\u3081\u3066\u5909\u63db\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30b5\u30a4\u30ba\u5909\u66f4\uff08\u30ea\u30b5\u30a4\u30ba\uff09<\/strong>: \u5909\u63db\u3068\u540c\u6642\u306b\u3001\u753b\u50cf\u306e\u6a2a\u5e45\u3084\u9ad8\u3055\u3092\u6307\u5b9a\u3057\u3066\u30b5\u30a4\u30ba\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u91cd\u8996<\/strong>: \u753b\u50cf\u30c7\u30fc\u30bf\u306f\u304a\u5ba2\u69d8\u306e\u30d1\u30bd\u30b3\u30f3\u3084\u30b9\u30de\u30db\u306e\u4e2d\u3067\u51e6\u7406\u3055\u308c\u308b\u305f\u3081\u3001\u5916\u90e8\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3055\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6a5f\u5bc6\u60c5\u5831\u3092\u542b\u3080\u753b\u50cf\u3067\u3082\u5b89\u5fc3\u3057\u3066\u3054\u5229\u7528\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-1\">\u30c4\u30fc\u30eb\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<p>\u64cd\u4f5c\u306f\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u624b\u9806\u3067\u5909\u63db\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u753b\u50cf\u306e\u9078\u629e<\/strong>: \u70b9\u7dda\u3067\u56f2\u307e\u308c\u305f\u30a8\u30ea\u30a2\u306bAVIF\u753b\u50cf\u3092\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u3059\u308b\u304b\u3001\u30af\u30ea\u30c3\u30af\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u9078\u629e\u3057\u307e\u3059\uff08\u6700\u592730\u679a\u307e\u3067\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5909\u63db\u8a2d\u5b9a\u306e\u9078\u629e<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>\u7528\u9014\u5225\u30d7\u30ea\u30bb\u30c3\u30c8<\/strong>: \u300c\u6a19\u6e96\u300d\u300c\u9ad8\u753b\u8cea\u300d\u300cWEB\u7528\uff08\u5e451200px\uff09\u300d\u304b\u3089\u76ee\u7684\u306b\u5408\u3046\u3082\u306e\u3092\u9078\u3073\u307e\u3059\u3002\u8ff7\u3063\u305f\u5834\u5408\u306f\u300c\u6a19\u6e96\u5909\u63db\u300d\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30ab\u30b9\u30bf\u30e0\u8a2d\u5b9a<\/strong>: \u753b\u8cea\u3084\u30b5\u30a4\u30ba\u3092\u7d30\u304b\u304f\u6307\u5b9a\u3057\u305f\u3044\u5834\u5408\u306f\u3053\u3061\u3089\u3092\u9078\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5909\u63db\u958b\u59cb<\/strong>: \u300cJPG\u306b\u5909\u63db\u3059\u308b\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/strong>: \u5909\u63db\u304c\u7d42\u308f\u308b\u3068\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30dc\u30bf\u30f3\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u300c\u4e00\u62ec\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\uff08ZIP\uff09\u300d\u3092\u62bc\u3059\u3068\u3001\u3059\u3079\u3066\u306e\u753b\u50cf\u3092\u307e\u3068\u3081\u3066\u4fdd\u5b58\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-2\">\u3053\u306e\u30c4\u30fc\u30eb\u3067\u53d6\u5f97\u3059\u308b\u60c5\u5831\u306e\u57fa\u790e\u77e5\u8b58<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-3\">AVIF\uff08AV1 Image File 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