{"id":244,"date":"2025-11-12T10:46:02","date_gmt":"2025-11-12T10:46:02","guid":{"rendered":"http:\/\/pdf4de.com\/?page_id=244"},"modified":"2025-12-30T10:11:31","modified_gmt":"2025-12-30T10:11:31","slug":"pdf-to-pdf-a","status":"publish","type":"page","link":"https:\/\/pdf4de.com\/ja\/pdf-to-pdf-a\/","title":{"rendered":"PDF\u304b\u3089PDF\/A\u3078"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center\">PDF to PDF\/A<br><\/h2>\n\n\n\n<p class=\"has-text-align-center\"><\/p>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center\">Convert PDF documents to PDF\/A for archiving and long-term preservation.<\/h4>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center\">Convert to a specific PDF\/A ISO conformance level.<\/h4>\n\n\n\n<style>\n  .merge-box {\n    font-family: Arial, sans-serif;\n    max-width: 750px;\n    margin: 30px auto;\n    padding: 25px;\n    border-radius: 15px;\n    background: #fff;\n    box-shadow: 0 3px 15px rgba(0,0,0,0.1);\n  }\n\n  .custom-btn {\n    padding: 18px 40px;\n    background: #2563eb;\n    color: #fff;\n    font-size: 22px;\n    font-weight: bold;\n    border-radius: 10px;\n    cursor: pointer;\n    display: inline-block;\n    margin-bottom: 15px;\n    transition: 0.2s;\n  }\n  .custom-btn:hover { background:#1e40af; }\n\n  #convertBtn {\n    padding: 18px 40px;\n    background:#f97316;\n    color:#fff;\n    font-size:22px;\n    font-weight:bold;\n    border-radius:10px;\n    border:none;\n    cursor:pointer;\n    display:none;\n    margin-top:20px;\n  }\n  #convertBtn:hover { background:#ea580c; }\n\n  #fileList { margin-top: 20px; }\n  .file-item {\n    background:#f3f4f6;\n    padding:12px 15px;\n    border-radius:10px;\n    margin-bottom:10px;\n    display:flex;\n    justify-content:space-between;\n    align-items:center;\n  }\n\n  .remove-btn {\n    background:#ef4444;\n    color:#fff;\n    padding:6px 12px;\n    border-radius:8px;\n    cursor:pointer;\n    border:none;\n  }\n  .remove-btn:hover { background:#dc2626; }\n\n  #dropZone {\n    border:2px dashed #2563eb;\n    padding:20px;\n    border-radius:10px;\n    text-align:center;\n    font-size:16px;\n    color:#2563eb;\n    margin-top:15px;\n  }\n  #dropZone.drag-over {\n    background:#e0e7ff;\n    border-color:#1e40af;\n  }\n\n  #progress-container {\n    width: 100%;\n    background: #e0e0e0;\n    height: 25px;\n    border-radius: 10px;\n    margin-top: 30px;\n    overflow: hidden;\n    display:none;\n  }\n  #progress-bar {\n    height: 100%;\n    width: 0%;\n    background-color: #2563eb;\n  }\n  #status-text { margin-top: 10px; font-size: 18px; }\n<\/style>\n\n<div class=\"merge-box\">\n\n  <label class=\"custom-btn\" id=\"selectBtn\">Select PDF files<\/label>\n  <input type=\"file\" id=\"fileInput\" accept=\"application\/pdf\" multiple style=\"display:none\">\n\n  <div id=\"dropZone\">Or drop PDF files here<\/div>\n\n  <div id=\"fileList\"><\/div>\n\n  <button id=\"convertBtn\">Convert to PDF\/A<\/button>\n\n  <div id=\"progress-container\"><div id=\"progress-bar\"><\/div><\/div>\n  <div id=\"status-text\"><\/div>\n\n<\/div>\n\n<script>\n(function() {\n\n  const selectBtn = document.getElementById('selectBtn');\n  const fileInput = document.getElementById('fileInput');\n  const dropZone = document.getElementById('dropZone');\n  const fileList = document.getElementById('fileList');\n  const convertBtn = document.getElementById('convertBtn');\n  const progress = document.getElementById('progress-container');\n  const progressBar = document.getElementById('progress-bar');\n  const statusText = document.getElementById('status-text');\n\n  let file = null;\n\n  function refreshUI() {\n    fileList.innerHTML = \"\";\n\n    if (!file) {\n      convertBtn.style.display = \"none\";\n      selectBtn.style.display = \"inline-block\";   \/\/ button returns when no file\n      return;\n    }\n\n    convertBtn.style.display = \"inline-block\";\n\n    const item = document.createElement('div');\n    item.className = \"file-item\";\n    item.innerHTML = `\n      <span>${file.name}<\/span>\n      <button class=\"remove-btn\" id=\"removeBtn\">Remove<\/button>\n    `;\n    fileList.appendChild(item);\n\n    \/\/ Remove file event\n    document.getElementById(\"removeBtn\").onclick = () => {\n      file = null;\n      refreshUI();\n    };\n  }\n\n  selectBtn.onclick = () => fileInput.click();\n\n  fileInput.onchange = () => {\n    if (fileInput.files.length > 0) {\n      file = fileInput.files[0];\n      selectBtn.style.display = \"none\"; \/\/ Hide button after picking file\n    }\n    fileInput.value = \"\";\n    refreshUI();\n  };\n\n  \/\/ Drag and Drop\n  dropZone.ondragover = e => { e.preventDefault(); dropZone.classList.add(\"drag-over\"); };\n  dropZone.ondragleave = () => dropZone.classList.remove(\"drag-over\");\n  dropZone.ondrop = e => {\n    e.preventDefault();\n    dropZone.classList.remove(\"drag-over\");\n    if (e.dataTransfer.files.length > 0) {\n      file = e.dataTransfer.files[0];\n      selectBtn.style.display = \"none\"; \/\/ hide when dropped too\n      refreshUI();\n    }\n  };\n\n  \/\/ Convert Button\n  convertBtn.onclick = () => {\n    if (!file) return;\n\n    convertBtn.disabled = true;\n    statusText.textContent = \"Uploading...\";\n    progress.style.display = \"block\";\n    progressBar.style.width = \"20%\";\n\n    const formData = new FormData();\n    formData.append(\"file\", file);\n\n    fetch(\"\/api\/pdf-to-pdfa\", {\n      method: \"POST\",\n      body: formData\n    })\n    .then(res => res.json())\n    .then(data => {\n      if(data.error){\n        statusText.textContent = \"Error: \" + data.error;\n        convertBtn.disabled = false;\n        return;\n      }\n      pollStatus(data.task_id, data.download_url);\n    })\n    .catch(() => {\n      statusText.textContent = \"Upload failed.\";\n      convertBtn.disabled = false;\n    });\n  };\n\n  function pollStatus(taskId, downloadUrl) {\n    let interval = setInterval(() => {\n      fetch(`\/api\/status\/${taskId}`)\n        .then(res => res.json())\n        .then(data => {\n\n          if(data.status === \"queued\"){\n            statusText.textContent = \"Queued...\";\n            progressBar.style.width = \"30%\";\n          }\n          else if(data.status === \"processing\"){\n            statusText.textContent = \"Processing...\";\n            progressBar.style.width = \"70%\";\n          }\n          else if(data.status === \"done\"){\n            progressBar.style.width = \"100%\";\n            statusText.textContent = \"Done! Downloading...\";\n            clearInterval(interval);\n            window.location = downloadUrl;\n            convertBtn.disabled = false;\n          }\n          else if(data.status === \"error\"){\n            statusText.textContent = \"Error: \" + data.error;\n            clearInterval(interval);\n            convertBtn.disabled = false;\n          }\n\n        });\n    }, 1500);\n  }\n\n})();\n<\/script>\n<script async=\"async\" data-cfasync=\"false\" src=\"\/\/clothcreepoak.com\/f35f99bfef1a09c1eecbc6ed867c8f3b\/invoke.js\"><\/script>\n<div id=\"container-f35f99bfef1a09c1eecbc6ed867c8f3b\"><\/div>\n\n\n\n<div style=\"height:116px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">Free PDF to PDF\/A Converter \u2013 Convert PDF for Long-Term Archiving<\/h2>\n\n\n\n<div class=\"tool-container\">\n<center><p>\nConvert your standard PDF files into PDF\/A format easily with this free online PDF to PDF\/A Converter. \nPDF\/A is the ISO-standardized version of PDF designed for long-term archiving, ensuring that your documents stay accessible and unchanged for decades. \nAll conversions happen locally in your browser for maximum privacy.\n<\/p>\n<div\/>\n\n\n\n<style>\nbody {\n  font-family: 'Inter', sans-serif;\n  background: #f8fafc;\n  margin: 0;\n  color: #1e293b;\n}\n\nheader {\n  text-align: center;\n  padding: 30px 20px;\n  background: white; \n  color: #1e293b;\n  box-shadow: 0 2px 8px rgba(0,0,0,0.05);\n}\n\nheader h1 {\n  font-size: 2.6rem;\n  margin-bottom: 10px;\n}\nheader p {\n  font-size: 1.1rem;\n  opacity: 0.9;\n}\n\n.section {\n  padding: 60px 5%;\n}\n.section h2 {\n  font-size: 1.6rem;\n  margin-bottom: 25px;\n  color: #0f172a;\n  border-left: 5px solid #3b82f6;\n  padding-left: 10px;\n}\n\n.tools-grid {\n  display: grid;\n  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));\n  gap: 20px;\n}\n\n\/* Make the whole card clickable *\/\n.tool-card {\n  background: white;\n  border-radius: 10px;\n  padding: 20px;\n  box-shadow: 0 3px 8px rgba(0,0,0,0.05);\n  transition: all 0.25s ease;\n  cursor: pointer;\n  display: flex;\n  flex-direction: column;\n  justify-content: center;\n  text-decoration: none;\n  color: inherit;\n  height: 150px; \/* adjust height if needed *\/\n}\n.tool-card:hover {\n  transform: translateY(-4px);\n  box-shadow: 0 6px 15px rgba(0,0,0,0.08);\n  background: #f0f8ff; \/* light blue hover *\/\n}\n\n.tool-card h3 {\n  margin: 0 0 10px 0;\n  font-size: 1.1rem;\n}\n.tool-card p {\n  font-size: 0.9rem;\n  color: #64748b;\n  margin: 0;\n}\n<\/style>\n\n<section class=\"section\">\n  <h2>\ud83d\udcc4 PDF Online Tools<\/h2>\n  <div class=\"tools-grid\">\n    <a href=\"http:\/\/pdf4de.com\/split-pdf-file\/\" target=\"_blank\" class=\"tool-card\">\n      <h3>Split PDF File<\/h3>\n      <p>Separate pages from your PDF files easily.<\/p>\n    <\/a>\n    <a href=\"http:\/\/pdf4de.com\/pdf-to-word\/\" target=\"_blank\" class=\"tool-card\">\n      <h3>PDF to Word<\/h3>\n      <p>Convert PDF to word online.<\/p>\n    <\/a>\n    <a href=\"http:\/\/pdf4de.com\/merge-pdf-files\/\" target=\"_blank\" class=\"tool-card\">\n      <h3>Merge PDF Files<\/h3>\n      <p>Combine multiple PDFs into one document.<\/p>\n    <\/a>\n    <a href=\"http:\/\/pdf4de.com\/pdf-to-excel\/\" target=\"_blank\" class=\"tool-card\">\n      <h3>PDF to excel<\/h3>\n      <p>Convert PDF to EXCEL online.<\/p>\n    <\/a>\n <a href=\"http:\/\/pdf4de.com\/pdf-to-jpg\/\" target=\"_blank\" class=\"tool-card\">\n      <h3>pdf to jpg<\/h3>\n      <p>Convert PDF to JPG online.<\/p>\n    <\/a>\n    <a href=\"http:\/\/pdf4de.com\/html-to-pdf\/\" target=\"_blank\" class=\"tool-card\">\n      <h3>HTML to PDF<\/h3>\n      <p>Convert HTML to PDF online.<\/p>\n    <\/a>\n    <a href=\"http:\/\/pdf4de.com\/excel-to-pdf\/\" target=\"_blank\" class=\"tool-card\">\n      <h3>EXCEL to PDF<\/h3>\n      <p>Convert EXCEL to PDF online.<\/p>\n    <\/a>\n <a href=\"http:\/\/pdf4de.com\/word-to-pdf\/\" target=\"_blank\" class=\"tool-card\">\n      <h3>WORD to PDF<\/h3>\n      <p>Convert WORD TO PDF online.<\/p>\n    <\/a>\n    <a href=\"http:\/\/pdf4de.com\/jpg-to-pdf\/\" target=\"_blank\" class=\"tool-card\">\n      <h3>JPG to PDF<\/h3>\n      <p>Convert JPG to PDF online.<\/p>\n    <\/a>\n    <a href=\"http:\/\/pdf4de.com\/powerpoint-to-pdf\/\" target=\"_blank\" class=\"tool-card\">\n      <h3>POWERPOINT to PDF<\/h3>\n      <p>Convert POWERPOINT to PDF online.<\/p>\n    <\/a>\n  <\/div>\n<\/section>\n\n\n\n<div style=\"height:46px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">Frequently Asked Questions<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1763417775233\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">What is PDF\/A?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>PDF\/A is an ISO-standardized version of PDF designed for long-term digital preservation and archiving.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1763417800088\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Why convert PDF to PDF\/A?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>PDF\/A ensures your document remains readable in the future, without relying on external fonts or resources.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1763417811956\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Is this PDF to PDF\/A converter free?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Yes, it is completely free and requires no installation or registration.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1763417835042\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Are my files stored?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>No. All conversion is done inside your browser, and no files are uploaded to any server.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1763417852249\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Does this tool support PDF\/A-1, PDF\/A-2, PDF\/A-3?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Yes, depending on the library used. You can choose the PDF\/A standard needed for your document.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>PDF to PDF\/A Convert PDF documents to PDF\/A for archiving and long-term preservation. Convert to a specific PDF\/A ISO conformance level. Select PDF files Or drop PDF files here Convert to PDF\/A Free PDF to PDF\/A Converter \u2013 Convert PDF for Long-Term Archiving Convert your standard PDF files into PDF\/A format easily with this free online PDF to PDF\/A Converter. PDF\/A is the ISO-standardized version of PDF designed for long-term archiving, ensuring that your documents stay accessible and unchanged for decades. All conversions happen locally in your browser for maximum privacy. \ud83d\udcc4 PDF Online Tools Split PDF File Separate pages from your PDF files easily. PDF to Word Convert PDF [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":581,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-244","page","type-page","status-publish","has-post-thumbnail","hentry"],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"uagb_featured_image_src":{"full":["https:\/\/pdf4de.com\/wp-content\/uploads\/2025\/11\/pdf-2.png",512,512,false],"thumbnail":["https:\/\/pdf4de.com\/wp-content\/uploads\/2025\/11\/pdf-2-150x150.png",150,150,true],"medium":["https:\/\/pdf4de.com\/wp-content\/uploads\/2025\/11\/pdf-2-300x300.png",300,300,true],"medium_large":["https:\/\/pdf4de.com\/wp-content\/uploads\/2025\/11\/pdf-2.png",512,512,false],"large":["https:\/\/pdf4de.com\/wp-content\/uploads\/2025\/11\/pdf-2.png",512,512,false],"1536x1536":["https:\/\/pdf4de.com\/wp-content\/uploads\/2025\/11\/pdf-2.png",512,512,false],"2048x2048":["https:\/\/pdf4de.com\/wp-content\/uploads\/2025\/11\/pdf-2.png",512,512,false],"trp-custom-language-flag":["https:\/\/pdf4de.com\/wp-content\/uploads\/2025\/11\/pdf-2.png",12,12,false]},"uagb_author_info":{"display_name":"kyronellesmere@gmail.com","author_link":"https:\/\/pdf4de.com\/ja\/author\/kyronellesmeregmail-com\/"},"uagb_comment_info":0,"uagb_excerpt":"PDF to PDF\/A Convert PDF documents to PDF\/A for archiving and long-term preservation. Convert to a specific PDF\/A ISO conformance level. Select PDF files Or drop PDF files here Convert to PDF\/A Free PDF to PDF\/A Converter \u2013 Convert PDF for Long-Term Archiving Convert your standard PDF files into PDF\/A format easily with this free&hellip;","_links":{"self":[{"href":"https:\/\/pdf4de.com\/ja\/wp-json\/wp\/v2\/pages\/244","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdf4de.com\/ja\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/pdf4de.com\/ja\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/pdf4de.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pdf4de.com\/ja\/wp-json\/wp\/v2\/comments?post=244"}],"version-history":[{"count":18,"href":"https:\/\/pdf4de.com\/ja\/wp-json\/wp\/v2\/pages\/244\/revisions"}],"predecessor-version":[{"id":2181,"href":"https:\/\/pdf4de.com\/ja\/wp-json\/wp\/v2\/pages\/244\/revisions\/2181"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdf4de.com\/ja\/wp-json\/wp\/v2\/media\/581"}],"wp:attachment":[{"href":"https:\/\/pdf4de.com\/ja\/wp-json\/wp\/v2\/media?parent=244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}