{"id":65898,"date":"2026-10-14T12:20:27","date_gmt":"2026-10-14T06:50:27","guid":{"rendered":"https:\/\/www.quickonlinetips.com\/archives\/?page_id=65898"},"modified":"2026-10-14T14:30:29","modified_gmt":"2026-10-14T09:00:29","slug":"hash-generator","status":"publish","type":"page","link":"https:\/\/www.quickonlinetips.com\/archives\/tools\/hash-generator\/","title":{"rendered":"Hash Generator: MD5, SHA-1, SHA-256 and SHA-512"},"content":{"rendered":"<p>This <strong>hash generator<\/strong> creates MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text as you type, or of any file you choose. Use it to check downloads, compare files, create checksums or test code. 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.qt-sel{background:#BEE3F8;border-color:#3182CE} .qt-tool .qt-bad{background:#FED7D7;border-color:#E53E3E} .qt-tool select{-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:40px;cursor:pointer;border:2px solid #90B4DA;font-weight:600;background-color:#fff;background-image:url(\"data:image\/svg+xml,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg' viewBox='0 0 14 9'%3E%3Cpath d='M1.5 1.5l5.5 5.5 5.5-5.5' fill='none' stroke='%232B6CB0' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'\/%3E%3C\/svg%3E\");background-repeat:no-repeat;background-position:right 14px center;background-size:14px 9px} .qt-tool select:hover{border-color:var(--qt-accent);background-color:#F4F8FD} .qt-tool select::-ms-expand{display:none} .qt-next{margin:0 0 1.75em} .qt-next .qt-next-h{font-size:14px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:#4A5568;margin:0 0 8px} .qt-next-g{display:grid;grid-template-columns:repeat(3,1fr);gap:8px} .qt-next-g a{display:flex;align-items:center;min-height:46px;padding:9px 12px;border:1px solid #AEC3DB;border-radius:8px;background:#F4F8FD;color:#215387;font-weight:600;font-size:15px;line-height:1.3;text-decoration:none} .qt-next-g a:hover,.qt-next-g a:focus{background:#E3EEFF;border-color:#2B6CB0;text-decoration:none} @media (max-width:600px){.qt-next-g{grid-template-columns:repeat(2,1fr)}}<\/style>\n<div class=\"qt-tool\" id=\"qt-hg\">\n<div class=\"qt-field\"><label for=\"qt-hg-in\">Text to hash<\/label><textarea id=\"qt-hg-in\" rows=\"5\" spellcheck=\"false\">hello world<\/textarea><\/div>\n<div class=\"qt-row\"><label class=\"qt-check\"><input type=\"checkbox\" id=\"qt-hg-up\"> Uppercase<\/label><label class=\"qt-btn qt-btn-ghost qt-btn-sm\" for=\"qt-hg-file\">Hash a file<\/label><input type=\"file\" id=\"qt-hg-file\" style=\"display:none\"><\/div>\n<table class=\"qt-table\">\n<thead>\n<tr>\n<th>Algorithm<\/th>\n<th>Hash (click to copy)<\/th>\n<\/tr>\n<\/thead>\n<tbody id=\"qt-hg-out\"><\/tbody>\n<\/table>\n<div class=\"qt-status\" id=\"qt-hg-status\" aria-live=\"polite\"><\/div>\n<p class=\"qt-note\">Everything runs in your browser. Nothing you enter is sent to or stored on our server.<\/p>\n<\/div>\n<p><script>(function () { function qtReady(fn) { if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', fn); } else { fn(); } } function qtCopy(text, statusEl, okMsg) { function done(ok) { if (statusEl) { statusEl.textContent = ok ? (okMsg || 'Copied to clipboard.') : 'Press Ctrl+C (or Cmd+C) to copy.'; } } function fallback() { var ta = document.createElement('textarea'); ta.value = text; ta.setAttribute('readonly', ''); ta.style.position = 'fixed'; ta.style.top = '-1000px'; document.body.appendChild(ta); ta.select(); var ok = false; try { ok = document.execCommand('copy'); } catch (e) { ok = false; } document.body.removeChild(ta); done(ok); } if (navigator.clipboard) { if (window.isSecureContext) { navigator.clipboard.writeText(text).then(function () { done(true); }, fallback); return; } } fallback(); } function qtRand32() { var c = window.crypto || window.msCrypto; if (c) { if (c.getRandomValues) { var a = new Uint32Array(1); c.getRandomValues(a); return a[0]; } } return Math.floor(Math.random() * 4294967296); } function qtRandInt(range) { if (range === 4294967296) { return qtRand32(); } var limit = Math.floor(4294967296 \/ range) * range; var x = qtRand32(); while (x >= limit) { x = qtRand32(); } return x % range; } qtReady(function () { var inp = document.getElementById('qt-hg-in'); if (!inp) { return; } function $(id) { return document.getElementById(id); } var P2 = []; for (var q = 0; 33 > q; q++) { P2[q] = Math.pow(2, q); } function AND(x, y) { return ~(~x | ~y); } function rol(x, c) { return ((x * P2[c]) | 0) | (x >>> (32 - c)); } var S = [7, 12, 17, 22, 5, 9, 14, 20, 4, 11, 16, 23, 6, 10, 15, 21], K = []; for (var i0 = 0; 64 > i0; i0++) { K[i0] = Math.floor(Math.abs(Math.sin(i0 + 1)) * 4294967296) | 0; } function md5(b) { var n = b.length, len = ((n + 8) >>> 6) + 1, w = new Int32Array(len * 16), i; for (i = 0; n > i; i++) { w[i >> 2] |= b[i] * P2[(i % 4) * 8]; } w[n >> 2] |= 128 * P2[(n % 4) * 8]; w[len * 16 - 2] = (n * 8) | 0; w[len * 16 - 1] = Math.floor(n \/ 536870912); var a0 = 1732584193, b0 = -271733879, c0 = -1732584194, d0 = 271733878; for (var j = 0; len * 16 > j; j += 16) { var A = a0, B = b0, C = c0, D = d0; for (i = 0; 64 > i; i++) { var F, g, r = i >> 4; if (r === 0) { F = AND(B, C) | AND(~B, D); g = i; } else if (r === 1) { F = AND(D, B) | AND(~D, C); g = (5 * i + 1) % 16; } else if (r === 2) { F = B ^ C ^ D; g = (3 * i + 5) % 16; } else { F = C ^ (B | ~D); g = (7 * i) % 16; } F = (F + A + K[i] + w[j + g]) | 0; A = D; D = C; C = B; B = (B + rol(F, S[r * 4 + (i % 4)])) | 0; } a0 = (a0 + A) | 0; b0 = (b0 + B) | 0; c0 = (c0 + C) | 0; d0 = (d0 + D) | 0; } return [a0, b0, c0, d0].map(function (x) { var s = ''; for (var k = 0; 4 > k; k++) { var v = (x >>> (k * 8)) % 256; s += (v > 15 ? '' : '0') + v.toString(16); } return s; }).join(''); } function hex(buf) { return Array.prototype.map.call(new Uint8Array(buf), function (x) { return (x > 15 ? '' : '0') + x.toString(16); }).join(''); } var ALG = ['MD5', 'SHA-1', 'SHA-256', 'SHA-384', 'SHA-512']; var seq = 0; function run(bytes, label) { var my = ++seq; var res = { MD5: md5(bytes) }; var sub = window.crypto ? window.crypto.subtle : null; var jobs = ALG.slice(1).map(function (a) { return sub ? sub.digest(a, bytes).then(function (h) { res[a] = hex(h); }, function () { res[a] = 'Not available'; }) : Promise.resolve(res[a] = 'Needs a secure (https) page'); }); Promise.all(jobs).then(function () { if (my !== seq) { return; } var up = $('qt-hg-up').checked, body = $('qt-hg-out'); body.textContent = ''; ALG.forEach(function (a) { var tr = document.createElement('tr'), x = document.createElement('td'), y = document.createElement('td'); x.textContent = a; var v = res[a]; y.textContent = up ? v.toUpperCase() : v; y.className = 'qt-mono'; y.style.cursor = 'pointer'; y.title = 'Click to copy'; y.addEventListener('click', function () { qtCopy(y.textContent, $('qt-hg-status'), a + ' hash copied.'); }); tr.appendChild(x); tr.appendChild(y); body.appendChild(tr); }); $('qt-hg-status').textContent = label; }); } function fromText() { var b = new TextEncoder().encode(inp.value); run(b, 'Hashes of ' + b.length.toLocaleString('en-US') + ' bytes of UTF-8 text.'); } inp.addEventListener('input', fromText); $('qt-hg-up').addEventListener('change', function () { if (lastFile) { readFile(lastFile); } else { fromText(); } }); var lastFile = null; function readFile(f) { if (f.size > 500 * 1048576) { $('qt-hg-status').textContent = 'Files up to 500 MB only.'; return; } $('qt-hg-status').textContent = 'Reading ' + f.name + '...'; var rd = new FileReader(); rd.onload = function () { run(new Uint8Array(rd.result), 'Hashes of the file ' + f.name + ' (' + f.size.toLocaleString('en-US') + ' bytes).'); }; rd.readAsArrayBuffer(f); } $('qt-hg-file').addEventListener('change', function () { var f = this.files[0]; if (f) { lastFile = f; readFile(f); } }); inp.addEventListener('focus', function () { lastFile = null; }); fromText(); }); })();<\/script><\/p>\n<div class=\"qt-next\">\n<p class=\"qt-next-h\">Try another free tool<\/p>\n<div class=\"qt-next-g\"><a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/uuid-generator\/\">UUID Generator<\/a><a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/base64-encode-decode\/\">Base64 Encode and Decode<\/a><a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/unix-timestamp-converter\/\">Unix Timestamp Converter<\/a><a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/json-formatter\/\">JSON Formatter<\/a><a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/url-encode-decode\/\">URL Encode and Decode<\/a><a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/password-generator\/\">Password Generator<\/a><\/div>\n<\/div>\n<p><strong>Quick answer:<\/strong> Type or paste text and the MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes appear at once. For example, the MD5 hash of &#8220;hello world&#8221; is 5eb63bbbe01eeed093cb22bb8f5acdc3. Click any hash to copy it.<\/p>\n<h2>How to use the hash generator<\/h2>\n<ol>\n<li>Type or paste text into the box. Hashes update as you type. Text is hashed as UTF-8, the same as most programming languages.<\/li>\n<li>Or click <strong>Hash a file<\/strong> to get the checksums of a download, document or image. The file is read on your device, not uploaded.<\/li>\n<li>Tick <strong>Uppercase<\/strong> if the hash you are comparing with uses capital letters.<\/li>\n<li>Click a hash to copy it.<\/li>\n<\/ol>\n<h2>Which hash algorithm should I use?<\/h2>\n<table class=\"qt-ref\">\n<thead>\n<tr>\n<th>Algorithm<\/th>\n<th>Length<\/th>\n<th>Use today<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>MD5<\/td>\n<td>128 bits (32 hex characters)<\/td>\n<td>Quick checksums and cache keys only. Broken for security.<\/td>\n<\/tr>\n<tr>\n<td>SHA-1<\/td>\n<td>160 bits (40 hex)<\/td>\n<td>Legacy systems and Git object IDs. Not safe for signatures.<\/td>\n<\/tr>\n<tr>\n<td>SHA-256<\/td>\n<td>256 bits (64 hex)<\/td>\n<td>The standard choice for file checks, certificates and blockchains.<\/td>\n<\/tr>\n<tr>\n<td>SHA-384 \/ SHA-512<\/td>\n<td>384 \/ 512 bits<\/td>\n<td>Extra security margin, often faster on 64-bit systems.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>What is a hash?<\/h2>\n<p>A hash function turns any amount of data into a short, fixed-length fingerprint. The same input always gives the same hash, but changing even one letter gives a completely different result, and you cannot work backwards from the hash to the original. That makes hashes ideal for checking that a file was not changed or corrupted: compare the SHA-256 shown on a download page with the one this tool calculates.<\/p>\n<h2>Hashes and passwords<\/h2>\n<p>Do not store passwords as plain MD5 or SHA hashes. They are designed to be fast, which makes them easy to guess with modern hardware. Websites should use slow password hashing such as bcrypt, scrypt or Argon2 with a unique salt. To create strong passwords, use the <a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/password-generator\/\">password generator<\/a>.<\/p>\n<p>Related developer tools: <a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/base64-encode-decode\/\">Base64 encode and decode<\/a>, <a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/uuid-generator\/\">UUID generator<\/a> and <a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/html-entities\/\">HTML entities<\/a>.<\/p>\n<h2>FAQ<\/h2>\n<h3>Can a hash be decrypted?<\/h3>\n<p>No. Hashing is one-way. Sites that &#8220;decrypt&#8221; MD5 just look up hashes of common words they have already calculated.<\/p>\n<h3>Why does my hash differ from another tool?<\/h3>\n<p>Check for a trailing space or line break, and whether the other tool uses the same text encoding. Both change the result.<\/p>\n<h2>More free tools<\/h2>\n<div class=\"qt-cards\"><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/uuid-generator\/\"><strong>UUID Generator<\/strong><span>Generate random v4 UUIDs and GUIDs in bulk.<\/span><\/a><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/base64-encode-decode\/\"><strong>Base64 Encode and Decode<\/strong><span>Encode text to Base64 and decode it back, UTF-8 safe.<\/span><\/a><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/unix-timestamp-converter\/\"><strong>Unix Timestamp Converter<\/strong><span>Convert epoch time to a date and a date to epoch.<\/span><\/a><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/json-formatter\/\"><strong>JSON Formatter<\/strong><span>Beautify, minify and validate JSON with error lines.<\/span><\/a><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/url-encode-decode\/\"><strong>URL Encode and Decode<\/strong><span>Percent-encode or decode URLs and see query parameters.<\/span><\/a><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/password-generator\/\"><strong>Password Generator<\/strong><span>Strong random passwords and passphrases with a strength meter.<\/span><\/a><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/html-entities\/\"><strong>HTML Encode and Decode<\/strong><span>Convert special characters to HTML entities and back.<\/span><\/a><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/regex-tester\/\"><strong>Regex Tester<\/strong><span>Test regular expressions with live highlighting.<\/span><\/a><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/css-minifier\/\"><strong>CSS Minifier<\/strong><span>Minify or beautify CSS and see the savings.<\/span><\/a><\/div>\n<p>See all of them on the <a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/\">QuickOnlineTips free online tools<\/a> page and play our <a href=\"https:\/\/www.quickonlinetips.com\/archives\/games\/\">free online games<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This hash generator creates MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text as you type, or of any file you choose. Use it to check downloads, compare files, create checksums or test code. Everything is calculated in your browser, so your text and files never leave your device. Text to hashhello world UppercaseHash&#8230;<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":65595,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"class_list":["post-65898","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/pages\/65898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/comments?post=65898"}],"version-history":[{"count":3,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/pages\/65898\/revisions"}],"predecessor-version":[{"id":66435,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/pages\/65898\/revisions\/66435"}],"up":[{"embeddable":true,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/pages\/65595"}],"wp:attachment":[{"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/media?parent=65898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}