{"id":484636,"date":"2026-06-23T05:50:10","date_gmt":"2026-06-23T05:50:10","guid":{"rendered":"https:\/\/savepearlharbor.com\/?p=484636"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=484636","title":{"rendered":"\u0411\u0440\u0430\u0443\u0437\u0435\u0440 \u043a\u0430\u043a \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 \u2014 \u043e\u0444\u0438\u0441\u043d\u044b\u0435 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u044b \u0438 IT-\u0443\u0442\u0438\u043b\u0438\u0442\u044b \u0431\u0435\u0437 \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u0431\u0435\u0437 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438, \u0431\u0435\u0437 \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0446\u0438\u0438"},"content":{"rendered":"<div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\">\n<p>\u0414\u0443\u043c\u0430\u044e, \u043c\u043d\u043e\u0433\u0438\u0435 \u0441\u0442\u0430\u043b\u043a\u0438\u0432\u0430\u043b\u0438\u0441\u044c \u0441 \u044d\u0442\u0438\u043c: \u043d\u0443\u0436\u043d\u043e \u0431\u044b\u0441\u0442\u0440\u043e \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0438\u0442\u044c PDF, \u043f\u0440\u043e\u0432\u0435\u0440\u0438\u0442\u044c \u043f\u043e\u0434\u0441\u0435\u0442\u044c \u0438\u043b\u0438 \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u0442\u044c JWT. \u041e\u0442\u043a\u0440\u044b\u0432\u0430\u0435\u0448\u044c \u043f\u0435\u0440\u0432\u044b\u0439 \u043f\u043e\u043f\u0430\u0432\u0448\u0438\u0439\u0441\u044f \u0441\u0435\u0440\u0432\u0438\u0441, \u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0435\u0448\u044c \u0444\u0430\u0439\u043b \u0438 \u043d\u0430\u0434\u0435\u0435\u0448\u044c\u0441\u044f \u0447\u0442\u043e \u0434\u0430\u043d\u043d\u044b\u0435 \u043d\u0438\u043a\u0443\u0434\u0430 \u043d\u0435 \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f.<\/p>\n<p>\u0413\u043b\u0430\u0432\u043d\u044b\u0439 \u043f\u0440\u0438\u043d\u0446\u0438\u043f \u043f\u0440\u043e\u0441\u0442\u043e\u0439: \u0435\u0441\u043b\u0438 \u0437\u0430\u0434\u0430\u0447\u0443 \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u044f\u043c\u043e \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435, \u0437\u0430\u0447\u0435\u043c \u0432\u043e\u043e\u0431\u0449\u0435 \u043d\u0443\u0436\u0435\u043d \u0441\u0435\u0440\u0432\u0435\u0440?<\/p>\n<p>\u0422\u0430\u043a \u043f\u043e\u044f\u0432\u0438\u043b\u0438\u0441\u044c \u0434\u0432\u0430 \u043f\u0440\u043e\u0435\u043a\u0442\u0430. \u041a\u0430\u0436\u0434\u044b\u0439 &#8212; \u043e\u0434\u0438\u043d HTML \u0444\u0430\u0439\u043b.<\/p>\n<figure class=\"full-width \"><img decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/a86\/c05\/ac8\/a86c05ac8ef38bfcae68ee716e3c0ac9.png\" width=\"1920\" height=\"912\" sizes=\"auto, (max-width: 780px) 100vw, 50vw\" srcset=\"https:\/\/habrastorage.org\/r\/w780\/getpro\/habr\/upload_files\/a86\/c05\/ac8\/a86c05ac8ef38bfcae68ee716e3c0ac9.png 780w,&#10;       https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/a86\/c05\/ac8\/a86c05ac8ef38bfcae68ee716e3c0ac9.png 781w\" loading=\"lazy\" decode=\"async\"\/><\/figure>\n<p><strong>\u041a\u0430\u043a \u044d\u0442\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442<\/strong><\/p>\n<p>\u0417\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u043e\u0434\u0433\u0440\u0443\u0436\u0430\u044e\u0442\u0441\u044f \u0441 CDN \u043f\u043e \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044e &#8212; \u0442\u043e\u043b\u044c\u043a\u043e \u043a\u043e\u0433\u0434\u0430 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442 \u0440\u0435\u0430\u043b\u044c\u043d\u043e \u043e\u0442\u043a\u0440\u044b\u0442<\/p>\n<pre><code>async function loadLibrary(url) {  return new Promise((resolve, reject) =&gt; {    const script = document.createElement('script');    script.src = url;    script.onload = resolve;    script.onerror = reject;    document.head.appendChild(script);  });}<\/code><div class=\"code-explainer\"><a href=\"https:\/\/sourcecraft.dev\/\" class=\"tm-button code-explainer__link\" style=\"visibility: hidden;\"><img style=\"width:87px;height:14px;object-fit:cover;object-position:left;\"\/><\/a><\/div><\/pre>\n<p>\u042d\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u0435\u0440\u0436\u0430\u0442\u044c \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u044b\u0439 \u0440\u0430\u0437\u043c\u0435\u0440 \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0438\u043c \u0438 \u043d\u0435 \u0433\u0440\u0443\u0437\u0438\u0442\u044c \u0442\u043e \u0447\u0442\u043e \u043d\u0435 \u043d\u0443\u0436\u043d\u043e. localStorage \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u0435\u0442 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u043c\u0435\u0436\u0434\u0443 \u0441\u0435\u0441\u0441\u0438\u044f\u043c\u0438 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438<\/p>\n<pre><code>input.addEventListener('input', () =&gt; {  localStorage.setItem(`tool_${toolId}_input`, input.value);});input.value = localStorage.getItem(`tool_${toolId}_input`) || '';<\/code><div class=\"code-explainer\"><a href=\"https:\/\/sourcecraft.dev\/\" class=\"tm-button code-explainer__link\" style=\"visibility: hidden;\"><img style=\"width:14px;height:14px;object-fit:cover;object-position:left;\"\/><\/a><\/div><\/pre>\n<p><strong>DarkenAmber IT Tools<\/strong><\/p>\n<p>17 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u0434\u043b\u044f \u0441\u0435\u0442\u0438 \u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438. 194KB, \u043d\u043e\u043b\u044c \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u0439 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0435.<\/p>\n<figure class=\"full-width \"><img decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/8db\/f07\/0ee\/8dbf070ee209c3dc14c672b1d906770a.png\" width=\"1920\" height=\"917\" sizes=\"auto, (max-width: 780px) 100vw, 50vw\" srcset=\"https:\/\/habrastorage.org\/r\/w780\/getpro\/habr\/upload_files\/8db\/f07\/0ee\/8dbf070ee209c3dc14c672b1d906770a.png 780w,&#10;       https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/8db\/f07\/0ee\/8dbf070ee209c3dc14c672b1d906770a.png 781w\" loading=\"lazy\" decode=\"async\"\/><\/figure>\n<figure class=\"full-width \"><img decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/50f\/808\/894\/50f808894bc927517ab6da72b90bc3bc.png\" width=\"1920\" height=\"921\" sizes=\"auto, (max-width: 780px) 100vw, 50vw\" srcset=\"https:\/\/habrastorage.org\/r\/w780\/getpro\/habr\/upload_files\/50f\/808\/894\/50f808894bc927517ab6da72b90bc3bc.png 780w,&#10;       https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/50f\/808\/894\/50f808894bc927517ab6da72b90bc3bc.png 781w\" loading=\"lazy\" decode=\"async\"\/><\/figure>\n<p>\u0425\u044d\u0448\u0438 \u0447\u0435\u0440\u0435\u0437 Web Crypto API \u0431\u0435\u0437 \u0432\u043d\u0435\u0448\u043d\u0438\u0445 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a<\/p>\n<pre><code>const buffer = await crypto.subtle.digest(  'SHA-256',  new TextEncoder().encode(input));const hash = Array.from(new Uint8Array(buffer))  .map(b =&gt; b.toString(16).padStart(2, '0'))  .join('');<\/code><div class=\"code-explainer\"><a href=\"https:\/\/sourcecraft.dev\/\" class=\"tm-button code-explainer__link\" style=\"visibility: hidden;\"><img style=\"width:14px;height:14px;object-fit:cover;object-position:left;\"\/><\/a><\/div><\/pre>\n<p>JWT \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0431\u0435\u0437 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a &#8212; base64url \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043e\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0433\u043e base64<\/p>\n<pre><code>const [header, payload] = token.split('.')  .slice(0, 2)  .map(part =&gt; JSON.parse(atob(    part.replace(\/-\/g, '+').replace(\/_\/g, '\/')  )));<\/code><div class=\"code-explainer\"><a href=\"https:\/\/sourcecraft.dev\/\" class=\"tm-button code-explainer__link\" style=\"visibility: hidden;\"><img style=\"width:14px;height:14px;object-fit:cover;object-position:left;\"\/><\/a><\/div><\/pre>\n<p>IP \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 \u0441\u0447\u0438\u0442\u0430\u0435\u0442 \u0447\u0435\u0440\u0435\u0437 \u043f\u043e\u0431\u0438\u0442\u043e\u0432\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438<\/p>\n<pre><code>function calculateSubnet(ip, prefix) {  const mask = ~(0xFFFFFFFF &gt;&gt;&gt; prefix) &gt;&gt;&gt; 0;  const network = (ipToInt(ip) &amp; mask) &gt;&gt;&gt; 0;  const broadcast = (network | ~mask) &gt;&gt;&gt; 0;  return {    network: intToIp(network),    broadcast: intToIp(broadcast),    hosts: Math.pow(2, 32 - prefix) - 2  };}<\/code><div class=\"code-explainer\"><a href=\"https:\/\/sourcecraft.dev\/\" class=\"tm-button code-explainer__link\" style=\"visibility: hidden;\"><img style=\"width:14px;height:14px;object-fit:cover;object-position:left;\"\/><\/a><\/div><\/pre>\n<figure class=\"full-width \"><img decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/d60\/9f1\/8c0\/d609f18c09905d06d85568284312154b.png\" width=\"1920\" height=\"914\" sizes=\"auto, (max-width: 780px) 100vw, 50vw\" srcset=\"https:\/\/habrastorage.org\/r\/w780\/getpro\/habr\/upload_files\/d60\/9f1\/8c0\/d609f18c09905d06d85568284312154b.png 780w,&#10;       https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/d60\/9f1\/8c0\/d609f18c09905d06d85568284312154b.png 781w\" loading=\"lazy\" decode=\"async\"\/><\/figure>\n<p>GitHub: <a href=\"https:\/\/github.com\/DarkenAmber\/DarkenAmber-it-tools\" rel=\"noopener noreferrer nofollow\">https:\/\/github.com\/DarkenAmber\/DarkenAmber-it-tools<\/a> <\/p>\n<p>Live: <a href=\"https:\/\/darkenamber.github.io\/DarkenAmber-it-tools\" rel=\"noopener noreferrer nofollow\">https:\/\/darkenamber.github.io\/DarkenAmber-it-tools<\/a><\/p>\n<p><strong>ZeroOffice<\/strong><\/p>\n<p>PDF, \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f, \u0442\u0435\u043a\u0441\u0442, \u0433\u0440\u0430\u0444\u0438\u043a\u0438, AI \u0430\u0441\u0441\u0438\u0441\u0442\u0435\u043d\u0442. 480KB, \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u043e\u0444\u043b\u0430\u0439\u043d.<\/p>\n<figure class=\"full-width \"><img decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/160\/bcb\/b99\/160bcbb992eeb2336e49d4b62961cc78.png\" width=\"1920\" height=\"912\" sizes=\"auto, (max-width: 780px) 100vw, 50vw\" srcset=\"https:\/\/habrastorage.org\/r\/w780\/getpro\/habr\/upload_files\/160\/bcb\/b99\/160bcbb992eeb2336e49d4b62961cc78.png 780w,&#10;       https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/160\/bcb\/b99\/160bcbb992eeb2336e49d4b62961cc78.png 781w\" loading=\"lazy\" decode=\"async\"\/><\/figure>\n<p>PDF \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u044f\u0446\u0438\u0438 \u0447\u0435\u0440\u0435\u0437 pdf-lib<\/p>\n<pre><code>async function mergePdfs(files) {  const merged = await PDFLib.PDFDocument.create();  for (const file of files) {    const bytes = await file.arrayBuffer();    const doc = await PDFLib.PDFDocument.load(bytes);    const pages = await merged.copyPages(doc, doc.getPageIndices());    pages.forEach(p =&gt; merged.addPage(p));  }  return merged.save();}<\/code><div class=\"code-explainer\"><a href=\"https:\/\/sourcecraft.dev\/\" class=\"tm-button code-explainer__link\" style=\"visibility: hidden;\"><img style=\"width:14px;height:14px;object-fit:cover;object-position:left;\"\/><\/a><\/div><\/pre>\n<p>\u0420\u0435\u043d\u0434\u0435\u0440\u0438\u043d\u0433 PDF \u0434\u043b\u044f \u043f\u0440\u0435\u0434\u043f\u0440\u043e\u0441\u043c\u043e\u0442\u0440\u0430 \u0447\u0435\u0440\u0435\u0437 PDF.js<\/p>\n<pre><code>const page = await pdf.getPage(1);const viewport = page.getViewport({ scale: 1.5 });await page.render({  canvasContext: canvas.getContext('2d'),  viewport}).promise;<\/code><div class=\"code-explainer\"><a href=\"https:\/\/sourcecraft.dev\/\" class=\"tm-button code-explainer__link\" style=\"visibility: hidden;\"><img style=\"width:14px;height:14px;object-fit:cover;object-position:left;\"\/><\/a><\/div><\/pre>\n<figure class=\"full-width \"><img decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/a85\/945\/d60\/a85945d60c40e2461cb214fc7ba0cd26.png\" width=\"1920\" height=\"912\" sizes=\"auto, (max-width: 780px) 100vw, 50vw\" srcset=\"https:\/\/habrastorage.org\/r\/w780\/getpro\/habr\/upload_files\/a85\/945\/d60\/a85945d60c40e2461cb214fc7ba0cd26.png 780w,&#10;       https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/a85\/945\/d60\/a85945d60c40e2461cb214fc7ba0cd26.png 781w\" loading=\"lazy\" decode=\"async\"\/><\/figure>\n<figure class=\"full-width \"><img decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/e00\/7d2\/436\/e007d2436a78452b9be253dae8b06fa7.png\" width=\"1920\" height=\"921\" sizes=\"auto, (max-width: 780px) 100vw, 50vw\" srcset=\"https:\/\/habrastorage.org\/r\/w780\/getpro\/habr\/upload_files\/e00\/7d2\/436\/e007d2436a78452b9be253dae8b06fa7.png 780w,&#10;       https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/e00\/7d2\/436\/e007d2436a78452b9be253dae8b06fa7.png 781w\" loading=\"lazy\" decode=\"async\"\/><\/figure>\n<p>Chart Builder \u0441\u0442\u0440\u043e\u0438\u0442 \u0433\u0440\u0430\u0444\u0438\u043a\u0438 \u0447\u0435\u0440\u0435\u0437 Chart.js \u0438 \u044d\u043a\u0441\u043f\u043e\u0440\u0442\u0438\u0440\u0443\u0435\u0442 \u0432 PNG, SVG \u0438 Excel \u0447\u0435\u0440\u0435\u0437 ExcelJS &#8212; \u0432\u0441\u0451 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e.<\/p>\n<p>AI \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u044b \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0442 \u0447\u0435\u0440\u0435\u0437 Claude API \u043d\u0430\u043f\u0440\u044f\u043c\u0443\u044e \u0438\u0437 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 &#8212; ZeroOffice \u043d\u0435 \u043f\u043e\u0441\u0435\u0440\u0435\u0434\u0438\u043d\u0435:<\/p>\n<pre><code>const response = await fetch('https:\/\/api.anthropic.com\/v1\/messages', {  headers: {    'x-api-key': localStorage.getItem('claude_api_key'),    'anthropic-version': '2023-06-01',  },  body: JSON.stringify({ model: 'claude-3-haiku-20240307', ... })});<\/code><div class=\"code-explainer\"><a href=\"https:\/\/sourcecraft.dev\/\" class=\"tm-button code-explainer__link\" style=\"visibility: hidden;\"><img style=\"width:14px;height:14px;object-fit:cover;object-position:left;\"\/><\/a><\/div><\/pre>\n<p>GitHub: <a href=\"https:\/\/github.com\/DarkenAmber\/ZeroOffice\" rel=\"noopener noreferrer nofollow\">https:\/\/github.com\/DarkenAmber\/ZeroOffice<\/a><\/p>\n<p>Live: <a href=\"https:\/\/darkenamber.github.io\/ZeroOffice\" rel=\"noopener noreferrer nofollow\">https:\/\/darkenamber.github.io\/ZeroOffice<\/a><\/p>\n<p>\u041f\u0440\u0430\u043a\u0442\u0438\u043a\u0430 \u043f\u043e\u043a\u0430\u0437\u0430\u043b\u0430 \u0447\u0442\u043e \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u043e \u043f\u043e\u0432\u0441\u0435\u0434\u043d\u0435\u0432\u043d\u044b\u0445 \u0437\u0430\u0434\u0430\u0447 \u0441 \u0444\u0430\u0439\u043b\u0430\u043c\u0438 \u0438 \u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u043c\u043e\u0436\u043d\u043e \u0440\u0435\u0448\u0438\u0442\u044c \u0431\u0435\u0437 \u0441\u0435\u0440\u0432\u0435\u0440\u0430. \u0411\u0440\u0430\u0443\u0437\u0435\u0440 \u043f\u043e\u043b\u0443\u0447\u0438\u043b \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e API &#8212; Web Crypto, Canvas, File System Access, Web Workers &#8212; \u0447\u0442\u043e\u0431\u044b \u0434\u0435\u043b\u0430\u0442\u044c \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u044b\u0435 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u044b \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e.<\/p>\n<p>\u041e\u0431\u0430 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0435\u0449\u0451 \u0441\u044b\u0440\u044b\u0435 \u0438 \u0434\u043e\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u044e\u0442\u0441\u044f. \u0412 \u043f\u043b\u0430\u043d\u0430\u0445 \u043d\u043e\u0432\u044b\u0435 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u044b, \u043b\u043e\u043a\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0438 \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u0435 \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438. \u0411\u0443\u0434\u0443 \u0440\u0430\u0434 \u0437\u0430\u043c\u0435\u0447\u0430\u043d\u0438\u044f\u043c \u0438 \u0438\u0434\u0435\u044f\u043c \u0432 \u043a\u043e\u043c\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f\u0445.<\/p>\n<p><\/p>\n<\/div>\n<p>\u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/articles\/1050748\/\">https:\/\/habr.com\/ru\/articles\/1050748\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0414\u0443\u043c\u0430\u044e, \u043c\u043d\u043e\u0433\u0438\u0435 \u0441\u0442\u0430\u043b\u043a\u0438\u0432\u0430\u043b\u0438\u0441\u044c \u0441 \u044d\u0442\u0438\u043c: \u043d\u0443\u0436\u043d\u043e \u0431\u044b\u0441\u0442\u0440\u043e \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0438\u0442\u044c PDF, \u043f\u0440\u043e\u0432\u0435\u0440\u0438\u0442\u044c \u043f\u043e\u0434\u0441\u0435\u0442\u044c \u0438\u043b\u0438 \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u0442\u044c JWT. \u041e\u0442\u043a\u0440\u044b\u0432\u0430\u0435\u0448\u044c \u043f\u0435\u0440\u0432\u044b\u0439 \u043f\u043e\u043f\u0430\u0432\u0448\u0438\u0439\u0441\u044f \u0441\u0435\u0440\u0432\u0438\u0441, \u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0435\u0448\u044c \u0444\u0430\u0439\u043b \u0438 \u043d\u0430\u0434\u0435\u0435\u0448\u044c\u0441\u044f \u0447\u0442\u043e \u0434\u0430\u043d\u043d\u044b\u0435 \u043d\u0438\u043a\u0443\u0434\u0430 \u043d\u0435 \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f.\u0413\u043b\u0430\u0432\u043d\u044b\u0439 \u043f\u0440\u0438\u043d\u0446\u0438\u043f \u043f\u0440\u043e\u0441\u0442\u043e\u0439: \u0435\u0441\u043b\u0438 \u0437\u0430\u0434\u0430\u0447\u0443 \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u044f\u043c\u043e \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435, \u0437\u0430\u0447\u0435\u043c \u0432\u043e\u043e\u0431\u0449\u0435 \u043d\u0443\u0436\u0435\u043d \u0441\u0435\u0440\u0432\u0435\u0440?\u0422\u0430\u043a \u043f\u043e\u044f\u0432\u0438\u043b\u0438\u0441\u044c \u0434\u0432\u0430 \u043f\u0440\u043e\u0435\u043a\u0442\u0430. \u041a\u0430\u0436\u0434\u044b\u0439 &#8212; \u043e\u0434\u0438\u043d HTML \u0444\u0430\u0439\u043b.\u041a\u0430\u043a \u044d\u0442\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442\u0417\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u043e\u0434\u0433\u0440\u0443\u0436\u0430\u044e\u0442\u0441\u044f \u0441 CDN \u043f\u043e \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044e &#8212; \u0442\u043e\u043b\u044c\u043a\u043e \u043a\u043e\u0433\u0434\u0430 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442 \u0440\u0435\u0430\u043b\u044c\u043d\u043e \u043e\u0442\u043a\u0440\u044b\u0442async function loadLibrary(url) {  return new Promise((resolve, reject) =&gt; {    const script = document.createElement(&#8216;script&#8217;);    script.src = url;    script.onload = resolve;    script.onerror = reject;    document.head.appendChild(script);  });}\u042d\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u0435\u0440\u0436\u0430\u0442\u044c \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u044b\u0439 \u0440\u0430\u0437\u043c\u0435\u0440 \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0438\u043c \u0438 \u043d\u0435 \u0433\u0440\u0443\u0437\u0438\u0442\u044c \u0442\u043e \u0447\u0442\u043e \u043d\u0435 \u043d\u0443\u0436\u043d\u043e. localStorage \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u0435\u0442 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u043c\u0435\u0436\u0434\u0443 \u0441\u0435\u0441\u0441\u0438\u044f\u043c\u0438 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438input.addEventListener(&#8216;input&#8217;, () =&gt; {  localStorage.setItem(`tool_${toolId}_input`, input.value);});input.value = localStorage.getItem(`tool_${toolId}_input`) || &#187;;DarkenAmber IT Tools17 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u0434\u043b\u044f \u0441\u0435\u0442\u0438 \u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438. 194KB, \u043d\u043e\u043b\u044c \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u0439 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0435.\u0425\u044d\u0448\u0438 \u0447\u0435\u0440\u0435\u0437 Web Crypto API \u0431\u0435\u0437 \u0432\u043d\u0435\u0448\u043d\u0438\u0445 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043aconst buffer = await crypto.subtle.digest(  &#8216;SHA-256&#8217;,  new TextEncoder().encode(input));const hash = Array.from(new Uint8Array(buffer))  .map(b =&gt; b.toString(16).padStart(2, &#8216;0&#8217;))  .join(&#187;);JWT \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0431\u0435\u0437 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a &#8212; base64url \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043e\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0433\u043e base64const [header, payload] = token.split(&#8216;.&#8217;)  .slice(0, 2)  .map(part =&gt; JSON.parse(atob(    part.replace(\/-\/g, &#8216;+&#8217;).replace(\/_\/g, &#8216;\/&#8217;)  )));IP \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 \u0441\u0447\u0438\u0442\u0430\u0435\u0442 \u0447\u0435\u0440\u0435\u0437 \u043f\u043e\u0431\u0438\u0442\u043e\u0432\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438function calculateSubnet(ip, prefix) {  const mask = ~(0xFFFFFFFF &gt;&gt;&gt; prefix) &gt;&gt;&gt; 0;  const network = (ipToInt(ip) &amp; mask) &gt;&gt;&gt; 0;  const broadcast = (network | ~mask) &gt;&gt;&gt; 0;  return {    network: intToIp(network),    broadcast: intToIp(broadcast),    hosts: Math.pow(2, 32 &#8212; prefix) &#8212; 2  };}GitHub: https:\/\/github.com\/DarkenAmber\/DarkenAmber-it-tools Live: https:\/\/darkenamber.github.io\/DarkenAmber-it-toolsZeroOfficePDF, \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f, \u0442\u0435\u043a\u0441\u0442, \u0433\u0440\u0430\u0444\u0438\u043a\u0438, AI \u0430\u0441\u0441\u0438\u0441\u0442\u0435\u043d\u0442. 480KB, \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u043e\u0444\u043b\u0430\u0439\u043d.PDF \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u044f\u0446\u0438\u0438 \u0447\u0435\u0440\u0435\u0437 pdf-libasync function mergePdfs(files) {  const merged = await PDFLib.PDFDocument.create();  for (const file of files) {    const bytes = await file.arrayBuffer();    const doc = await PDFLib.PDFDocument.load(bytes);    const pages = await merged.copyPages(doc, doc.getPageIndices());    pages.forEach(p =&gt; merged.addPage(p));  }  return merged.save();}\u0420\u0435\u043d\u0434\u0435\u0440\u0438\u043d\u0433 PDF \u0434\u043b\u044f \u043f\u0440\u0435\u0434\u043f\u0440\u043e\u0441\u043c\u043e\u0442\u0440\u0430 \u0447\u0435\u0440\u0435\u0437 PDF.jsconst page = await pdf.getPage(1);const viewport = page.getViewport({ scale: 1.5 });await page.render({  canvasContext: canvas.getContext(&#8216;2d&#8217;),  viewport}).promise;Chart Builder \u0441\u0442\u0440\u043e\u0438\u0442 \u0433\u0440\u0430\u0444\u0438\u043a\u0438 \u0447\u0435\u0440\u0435\u0437 Chart.js \u0438 \u044d\u043a\u0441\u043f\u043e\u0440\u0442\u0438\u0440\u0443\u0435\u0442 \u0432 PNG, SVG \u0438 Excel \u0447\u0435\u0440\u0435\u0437 ExcelJS &#8212; \u0432\u0441\u0451 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e.AI \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u044b \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0442 \u0447\u0435\u0440\u0435\u0437 Claude API \u043d\u0430\u043f\u0440\u044f\u043c\u0443\u044e \u0438\u0437 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 &#8212; ZeroOffice \u043d\u0435 \u043f\u043e\u0441\u0435\u0440\u0435\u0434\u0438\u043d\u0435:const response = await fetch(&#8216;https:\/\/api.anthropic.com\/v1\/messages&#8217;, {  headers: {    &#8216;x-api-key&#8217;: localStorage.getItem(&#8216;claude_api_key&#8217;),    &#8216;anthropic-version&#8217;: &#8216;2023-06-01&#8217;,  },  body: JSON.stringify({ model: &#8216;claude-3-haiku-20240307&#8217;, &#8230; })});GitHub: https:\/\/github.com\/DarkenAmber\/ZeroOfficeLive: https:\/\/darkenamber.github.io\/ZeroOffice\u041f\u0440\u0430\u043a\u0442\u0438\u043a\u0430 \u043f\u043e\u043a\u0430\u0437\u0430\u043b\u0430 \u0447\u0442\u043e \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u043e \u043f\u043e\u0432\u0441\u0435\u0434\u043d\u0435\u0432\u043d\u044b\u0445 \u0437\u0430\u0434\u0430\u0447 \u0441 \u0444\u0430\u0439\u043b\u0430\u043c\u0438 \u0438 \u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u043c\u043e\u0436\u043d\u043e \u0440\u0435\u0448\u0438\u0442\u044c \u0431\u0435\u0437 \u0441\u0435\u0440\u0432\u0435\u0440\u0430. \u0411\u0440\u0430\u0443\u0437\u0435\u0440 \u043f\u043e\u043b\u0443\u0447\u0438\u043b \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e API &#8212; 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