{"id":9309,"date":"2026-01-10T14:06:35","date_gmt":"2026-01-10T06:06:35","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/"},"modified":"2026-01-10T14:06:35","modified_gmt":"2026-01-10T06:06:35","slug":"remove-password-from-a-pdf","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/","title":{"rendered":"PDF\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u524a\u9664\u3059\u308b"},"content":{"rendered":"<p>\u6a5f\u5bc6\u60c5\u5831\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3067PDF\u3092\u6697\u53f7\u5316\u304a\u3088\u3073\u4fdd\u8b77\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u52d5\u753b\u3067\u306f\u3001\u79c1\u305f\u3061\u306e\u00a0<a href=\"https:\/\/online.visual-paradigm.com\/online-pdf-editor\/\">\u30aa\u30f3\u30e9\u30a4\u30f3\u7121\u6599PDF\u30a8\u30c7\u30a3\u30bf<\/a>.<\/p>\n<div class=\"epyt-video-wrapper\"><iframe allow=\"fullscreen; accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" class=\"__youtube_prefs__ epyt-is-override no-lazyload\" data-no-lazy=\"1\" data-origheight=\"480\" data-origwidth=\"854\" data-skipgform_ajax_framebjll=\"\" height=\"480\" id=\"_ytid_64660\" loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/l0cOz7wOP8E?enablejsapi=1&amp;autoplay=0&amp;cc_load_policy=0&amp;cc_lang_pref=&amp;iv_load_policy=1&amp;loop=0&amp;modestbranding=0&amp;rel=1&amp;fs=1&amp;playsinline=0&amp;autohide=2&amp;theme=dark&amp;color=red&amp;controls=1&amp;\" title=\"YouTube player\" width=\"854\"><\/iframe><\/div>\n<p>\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u3066\u7279\u5b9a\u306e\u6a5f\u80fd\uff08\u5370\u5237\u3084\u7de8\u96c6\u306a\u3069\uff09\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u3067\u3001PDF\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001PDF\u306e\u30b3\u30d4\u30fc\u304c\u4fdd\u5b58\u3055\u308c\u308b\u3053\u3068\u3092\u9632\u3050\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u30b3\u30d4\u30fc\u306f\u5143\u306ePDF\u3068\u540c\u3058\u5236\u9650\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306e2\u7a2e\u985e\u306e\u6697\u53f7\u5316\u65b9\u5f0f\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<ul>\n<li><strong>\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u30d1\u30b9\u30ef\u30fc\u30c9<\/strong><br \/>\n\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u958b\u304f\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304cPDF\u3092\u958b\u304f\u305f\u3081\u306b\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5165\u529b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u6a29\u9650\u30d1\u30b9\u30ef\u30fc\u30c9<\/strong><br \/>\n\u6a29\u9650\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u3001\u6a29\u9650\u8a2d\u5b9a\u3092\u5909\u66f4\u3059\u308b\u305f\u3081\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u5fc5\u8981\u3067\u3059\u3002\u6a29\u9650\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001PDF\u5185\u306e\u5370\u5237\u3001\u7de8\u96c6\u3001\u30b3\u30d4\u30fc\u3092\u5236\u9650\u3067\u304d\u307e\u3059\u3002\u53d7\u4fe1\u8005\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u306a\u3057\u3067\u6587\u66f8\u3092\u958b\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>PDF\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u524a\u9664\u3059\u308b<\/h2>\n<p>Visual Paradigm Online\u7121\u6599<a href=\"https:\/\/online.visual-paradigm.com\/online-pdf-editor\/\">PDF\u30a8\u30c7\u30a3\u30bf<\/a>.<\/p>\n<ol>\n<li>Visual Paradigm Online\u306e\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u305f\u5f8c\u3001\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u79fb\u52d5\u3057\u3001\u30a2\u30d7\u30ea &gt; PDF\u3092\u9078\u629e\u3057\u3066\u30a4\u30f3\u30dd\u30fc\u30c8\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u3066\u3001PDF\u30d5\u30a1\u30a4\u30eb\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<br \/>\n<img alt=\"\" class=\"alignnone size-full wp-image-10818\" decoding=\"async\" height=\"229\" loading=\"lazy\" sizes=\"auto, (max-width: 178px) 100vw, 178px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Screenshot-2022-10-18-103900.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Screenshot-2022-10-18-103900.png 178w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Screenshot-2022-10-18-103900-117x150.png 117w\" width=\"178\"\/><br \/>\n<img alt=\"\" class=\"alignnone size-medium wp-image-10820\" decoding=\"async\" height=\"51\" loading=\"lazy\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Screenshot-2022-10-18-104752-300x51.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Screenshot-2022-10-18-104752-300x51.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Screenshot-2022-10-18-104752-150x26.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Screenshot-2022-10-18-104752.png 327w\" width=\"300\"\/><\/li>\n<li>\u3053\u308c\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u3067\u4fdd\u8b77\u3055\u308c\u305fPDF\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u30d7\u30ed\u30f3\u30d7\u30c8\u304c\u8868\u793a\u3055\u308c\u305f\u3068\u304d\u306b\u3001PDF\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n<img class=\"alignnone wp-image-13364 size-full\" decoding=\"async\" height=\"323\" loading=\"lazy\" sizes=\"auto, (max-width: 737px) 100vw, 737px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-6.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-6.png 737w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-6-300x131.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-6-150x66.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-6-400x175.png 400w\" width=\"737\"\/><\/li>\n<li>\u305d\u306e\u5f8c\u3001PDF\u30d5\u30a1\u30a4\u30eb\u306fVP Online\u3067\u958b\u304b\u308c\u307e\u3059\u3002VP Online\u306b\u4fdd\u5b58\u3057\u305f\u5f8c\u3001\u65b0\u3057\u3044PDF\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3067\u304d\u307e\u3059\u3002<br \/>\n<img class=\"alignnone wp-image-13363 size-full\" decoding=\"async\" height=\"629\" loading=\"lazy\" sizes=\"auto, (max-width: 1201px) 100vw, 1201px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-5.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-5.png 1201w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-5-300x157.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-5-1030x539.png 1030w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-5-768x402.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-5-150x79.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-5-400x209.png 400w\" width=\"1201\"\/><\/li>\n<li>\u4eca\u3001PDF\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u524a\u9664\u3055\u308c\u3066\u3044\u307e\u3059\u3002\n<p id=\"TYJLwcL\"><img class=\"alignnone wp-image-13361 size-full\" decoding=\"async\" height=\"687\" loading=\"lazy\" sizes=\"auto, (max-width: 1206px) 100vw, 1206px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-4.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-4.png 1206w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-4-300x171.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-4-1030x587.png 1030w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-4-768x437.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-4-150x85.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Pasted-4-400x228.png 400w\" width=\"1206\"\/><\/p>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u6a5f\u5bc6\u60c5\u5831\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3067PDF\u3092\u6697\u53f7\u5316\u304a\u3088\u3073\u4fdd\u8b77\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u52d5\u753b\u3067\u306f\u3001\u79c1\u305f\u3061\u306e\u00a0\u30aa\u30f3\u30e9\u30a4\u30f3\u7121\u6599PDF\u30a8\u30c7\u30a3\u30bf. \u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u3066\u7279\u5b9a\u306e\u6a5f\u80fd\uff08\u5370\u5237\u3084\u7de8\u96c6\u306a\u3069\uff09\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u3067\u3001PDF\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3067 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":9310,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"categories":[48],"tags":[],"class_list":["post-9309","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-flipbook-maker","loop-entry","clr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PDF\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u524a\u9664\u3059\u308b - Visual Paradigm \u30d6\u30ed\u30b0<\/title>\n<meta name=\"description\" content=\"You can encrypt and protect PDFs with a password. In this video, you can see how to remove passwords from a PDF in our\u00a0online PDF editor.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PDF\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u524a\u9664\u3059\u308b - Visual Paradigm \u30d6\u30ed\u30b0\" \/>\n<meta property=\"og:description\" content=\"You can encrypt and protect PDFs with a password. In this video, you can see how to remove passwords from a PDF in our\u00a0online PDF editor.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/\" \/>\n<meta property=\"og:site_name\" content=\"Visual Paradigm \u30d6\u30ed\u30b0\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-10T06:06:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Screenshot-2022-10-18-104808-300x131.png\" \/><meta property=\"og:image\" content=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Screenshot-2022-10-18-104808-300x131.png\" \/>\n\t<meta property=\"og:image:width\" content=\"300\" \/>\n\t<meta property=\"og:image:height\" content=\"131\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"vpmiku\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Screenshot-2022-10-18-104808-300x131.png\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"vpmiku\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"3\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/\",\"url\":\"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/\",\"name\":\"PDF\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u524a\u9664\u3059\u308b - Visual Paradigm \u30d6\u30ed\u30b0\",\"isPartOf\":{\"@id\":\"https:\/\/blog.visual-paradigm.com\/ja\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blog.visual-paradigm.com\/ja\/wp-content\/uploads\/sites\/7\/2026\/01\/Screenshot-2022-10-18-104808-300x131-1.png\",\"datePublished\":\"2026-01-10T06:06:35+00:00\",\"dateModified\":\"2026-01-10T06:06:35+00:00\",\"author\":{\"@id\":\"https:\/\/blog.visual-paradigm.com\/ja\/#\/schema\/person\/fd29bf8bc7b4d0d994dc63a4a7af5458\"},\"description\":\"You can encrypt and protect PDFs with a password. In this video, you can see how to remove passwords from a PDF in our\u00a0online PDF editor.\",\"breadcrumb\":{\"@id\":\"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/#primaryimage\",\"url\":\"https:\/\/blog.visual-paradigm.com\/ja\/wp-content\/uploads\/sites\/7\/2026\/01\/Screenshot-2022-10-18-104808-300x131-1.png\",\"contentUrl\":\"https:\/\/blog.visual-paradigm.com\/ja\/wp-content\/uploads\/sites\/7\/2026\/01\/Screenshot-2022-10-18-104808-300x131-1.png\",\"width\":300,\"height\":131},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/blog.visual-paradigm.com\/ja\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"PDF\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u524a\u9664\u3059\u308b\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/ja\/#website\",\"url\":\"https:\/\/blog.visual-paradigm.com\/ja\/\",\"name\":\"Visual Paradigm \u30d6\u30ed\u30b0\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blog.visual-paradigm.com\/ja\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/ja\/#\/schema\/person\/fd29bf8bc7b4d0d994dc63a4a7af5458\",\"name\":\"vpmiku\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/ja\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/ab2186f84c99495f4067f33cdf031a0a?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/ab2186f84c99495f4067f33cdf031a0a?s=96&d=mm&r=g\",\"caption\":\"vpmiku\"},\"url\":\"https:\/\/blog.visual-paradigm.com\/ja\/author\/vpmiku\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"PDF\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u524a\u9664\u3059\u308b - Visual Paradigm \u30d6\u30ed\u30b0","description":"You can encrypt and protect PDFs with a password. In this video, you can see how to remove passwords from a PDF in our\u00a0online PDF editor.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/","og_locale":"ja_JP","og_type":"article","og_title":"PDF\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u524a\u9664\u3059\u308b - Visual Paradigm \u30d6\u30ed\u30b0","og_description":"You can encrypt and protect PDFs with a password. In this video, you can see how to remove passwords from a PDF in our\u00a0online PDF editor.","og_url":"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/","og_site_name":"Visual Paradigm \u30d6\u30ed\u30b0","article_published_time":"2026-01-10T06:06:35+00:00","og_image":[{"url":"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Screenshot-2022-10-18-104808-300x131.png","type":"","width":"","height":""},{"width":300,"height":131,"url":"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Screenshot-2022-10-18-104808-300x131.png","type":"image\/png"}],"author":"vpmiku","twitter_card":"summary_large_image","twitter_image":"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/09\/Screenshot-2022-10-18-104808-300x131.png","twitter_misc":{"\u57f7\u7b46\u8005":"vpmiku","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"3\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/","url":"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/","name":"PDF\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u524a\u9664\u3059\u308b - Visual Paradigm \u30d6\u30ed\u30b0","isPartOf":{"@id":"https:\/\/blog.visual-paradigm.com\/ja\/#website"},"primaryImageOfPage":{"@id":"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/#primaryimage"},"image":{"@id":"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/#primaryimage"},"thumbnailUrl":"https:\/\/blog.visual-paradigm.com\/ja\/wp-content\/uploads\/sites\/7\/2026\/01\/Screenshot-2022-10-18-104808-300x131-1.png","datePublished":"2026-01-10T06:06:35+00:00","dateModified":"2026-01-10T06:06:35+00:00","author":{"@id":"https:\/\/blog.visual-paradigm.com\/ja\/#\/schema\/person\/fd29bf8bc7b4d0d994dc63a4a7af5458"},"description":"You can encrypt and protect PDFs with a password. In this video, you can see how to remove passwords from a PDF in our\u00a0online PDF editor.","breadcrumb":{"@id":"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/#primaryimage","url":"https:\/\/blog.visual-paradigm.com\/ja\/wp-content\/uploads\/sites\/7\/2026\/01\/Screenshot-2022-10-18-104808-300x131-1.png","contentUrl":"https:\/\/blog.visual-paradigm.com\/ja\/wp-content\/uploads\/sites\/7\/2026\/01\/Screenshot-2022-10-18-104808-300x131-1.png","width":300,"height":131},{"@type":"BreadcrumbList","@id":"https:\/\/blog.visual-paradigm.com\/ja\/remove-password-from-a-pdf\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/blog.visual-paradigm.com\/ja\/"},{"@type":"ListItem","position":2,"name":"PDF\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u524a\u9664\u3059\u308b"}]},{"@type":"WebSite","@id":"https:\/\/blog.visual-paradigm.com\/ja\/#website","url":"https:\/\/blog.visual-paradigm.com\/ja\/","name":"Visual Paradigm \u30d6\u30ed\u30b0","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/blog.visual-paradigm.com\/ja\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/blog.visual-paradigm.com\/ja\/#\/schema\/person\/fd29bf8bc7b4d0d994dc63a4a7af5458","name":"vpmiku","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/blog.visual-paradigm.com\/ja\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/ab2186f84c99495f4067f33cdf031a0a?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/ab2186f84c99495f4067f33cdf031a0a?s=96&d=mm&r=g","caption":"vpmiku"},"url":"https:\/\/blog.visual-paradigm.com\/ja\/author\/vpmiku\/"}]}},"modified_by":"vpvera","_links":{"self":[{"href":"https:\/\/blog.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/posts\/9309","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/comments?post=9309"}],"version-history":[{"count":0,"href":"https:\/\/blog.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/posts\/9309\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/media\/9310"}],"wp:attachment":[{"href":"https:\/\/blog.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/media?parent=9309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/categories?post=9309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/tags?post=9309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}