{"id":558,"date":"2026-09-15T00:39:37","date_gmt":"2026-09-14T15:39:37","guid":{"rendered":"https:\/\/jim-jin.com\/?page_id=558"},"modified":"2026-10-08T19:06:09","modified_gmt":"2026-10-08T10:06:09","slug":"dummyfile","status":"publish","type":"page","link":"https:\/\/jim-jin.com\/en\/dummyfile","title":{"rendered":"Dummy File Generator"},"content":{"rendered":"\n<!-- \u65e5\u672c\u8a9eWeb\u30d5\u30a9\u30f3\u30c8\u3092\u8aad\u307f\u8fbc\u307f -->\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin=\"\">\n\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Noto+Sans+JP:wght@600;700&amp;display=swap\" rel=\"stylesheet\">\n\n<section aria-labelledby=\"apple-hero-title\" style=\"\n    position: relative;\n    left: 50%;\n    width: 100vw;\n    min-height: 216px;\n    margin-left: -50vw;\n    padding: 50px 24px 28px;\n    box-sizing: border-box;\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    overflow: hidden;\n    background-color: #f4f4ff;\n    color: #1d1d1f;\n    text-align: center;\n    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont,\n      'Helvetica Neue', 'Hiragino Sans', 'Yu Gothic', Meiryo, sans-serif;\n    font-feature-settings: 'palt' 1;\n    -webkit-font-smoothing: antialiased;\n    text-rendering: optimizeLegibility;\n  \">\n  <div style=\"\n      width: 100%;\n      max-width: 1000px;\n      margin: 0 auto;\n    \">\n    <h1 id=\"apple-hero-title\" style=\"\n        margin: 0;\n        padding: 0;\n        border: 0;\n        background: none;\n        color: #1d1d1f;\n        font-family: inherit;\n        font-size: clamp(42px, 4vw, 64px);\n        font-weight: 700;\n        line-height: 1.08;\n        letter-spacing: -0.045em;\n      \">\n      Create dummy images,<br>text and CSV files<\/h1>\n\n    <p style=\"\n        max-width: 760px;\n        margin: 18px auto 0;\n        padding: 0;\n        color: #6e6e73;\n        font-family: inherit;\n        font-size: clamp(16px, 1.35vw, 20px);\n        font-weight: 600;\n        line-height: 1.45;\n        letter-spacing: -0.025em;\n      \">\n      A free web tool for dummy image, text and CSV files.\n    <\/p>\n  <\/div>\n<\/section>\n\n\n<aside class=\"jwtc-registration-promo\" data-jwtc-registration-promo data-dismiss-days=\"7\" aria-label=\"Free registration information\"><span class=\"jwtc-registration-promo__icon\" aria-hidden=\"true\">\u2726<\/span><div class=\"jwtc-registration-promo__copy\"><span class=\"jwtc-registration-promo__eyebrow\">Higher limits with a free account<\/span><p><strong>Make everyday work easier with JIM-JIN.<\/strong><\/p><p>Create a free account to increase maximum size from 10MB to 100MB.<\/p><\/div><a class=\"jwtc-registration-promo__cta\" href=\"https:\/\/jim-jin.com\/en\/registration\">Create a free account<span aria-hidden=\"true\"> \u2192<\/span><\/a><button class=\"jwtc-registration-promo__close\" type=\"button\" aria-label=\"Dismiss this notice\">\u00d7<\/button><\/aside>\t\t<article data-jin-language=\"en\" lang=\"en\" id=\"jin-dummy-1\" class=\"jin-dummy\" data-jin-dummy data-config=\"{&quot;restBase&quot;:&quot;https:\\\/\\\/jim-jin.com\\\/en\\\/wp-json\\\/jin-dummy-files\\\/v1&quot;,&quot;nonce&quot;:&quot;f1110d7715&quot;,&quot;limits&quot;:{&quot;max_text_bytes&quot;:10485760,&quot;max_text_characters&quot;:1000000,&quot;max_csv_rows&quot;:10000,&quot;max_csv_columns&quot;:50,&quot;max_excel_rows&quot;:5000,&quot;max_excel_columns&quot;:50,&quot;max_image_bytes&quot;:10485760,&quot;max_image_files&quot;:5,&quot;max_total_bytes&quot;:52428800},&quot;ready&quot;:true}\">\n\t\t\t<header class=\"jin-dummy__hero\"><div class=\"jin-dummy__logo\"><img decoding=\"async\" width=\"300\" height=\"77\" src=\"https:\/\/jim-jin.com\/en\/wp-content\/uploads\/english-art-20261008\/logo-en.svg\" class=\"jin-dummy__logo-image\" alt=\"\" title=\"Dummy File Generator\" \/><\/div><div><p class=\"jin-dummy__eyebrow\">JIM-JIN Test Data Lab<\/p><h1>Dummy File Generator<\/h1><p>Choose a format and size to create meaningless data for testing.<\/p><\/div><\/header>\n\t\t\t<section class=\"jin-dummy__account\" aria-label=\"User information\"><span>Guest<\/span><span class=\"jin-dummy__badge\">Free<\/span><span>Not signed in<\/span><span>Total size limit 50 MB<\/span><\/section>\n\t\t\t<aside class=\"jin-dummy__notice\" role=\"note\"><span aria-hidden=\"true\">\u23f1<\/span><p>Generated files are temporarily stored in shared private JIM-JIN storage and deleted after save confirmation or accepted cancellation. If activity stops, they become eligible for deletion within 15 minutes.<\/p><\/aside>\n\t\t\t<nav class=\"jin-public-steps\" data-jin-public-steps aria-label=\"Workflow\"><ol><li aria-current=\"step\"><button type=\"button\" data-target=\"[data-kind-tabs]\"><span class=\"jin-public-steps__number\">1<\/span><span>Choose format<small class=\"jin-public-steps__state\">Current step<\/small><\/span><\/button><\/li><li><button type=\"button\" data-target=\"[data-panel]\"><span class=\"jin-public-steps__number\">2<\/span><span>Set options<small class=\"jin-public-steps__state\">Upcoming<\/small><\/span><\/button><\/li><li><button type=\"button\" data-target=\"[data-generate]\"><span class=\"jin-public-steps__number\">3<\/span><span>Create and save<small class=\"jin-public-steps__state\">Upcoming<\/small><\/span><\/button><\/li><\/ol><\/nav>\t\t\t\t\t\t<form class=\"jin-dummy__workspace\" data-form novalidate>\n\t\t\t\t<div class=\"jin-dummy__tabs\" role=\"radiogroup\" aria-label=\"Format to create\" data-kind-tabs><label><input type=\"radio\" name=\"kind\" value=\"text\" checked><span><b>TEXT<\/b><small>Character count or size<\/small><\/span><\/label><label><input type=\"radio\" name=\"kind\" value=\"table\"><span><b>CSV \/ Excel<\/b><small>Rows and columns<\/small><\/span><\/label><label><input type=\"radio\" name=\"kind\" value=\"image\"><span><b>IMAGE<\/b><small>Size and file count<\/small><\/span><\/label><\/div>\n\t\t\t\t<section class=\"jin-dummy__panel\" data-panel=\"text\"><h2>TEXT file<\/h2><div class=\"jin-dummy__grid\"><label>Specify by<select name=\"text_measure\"><option value=\"characters\">Character count<\/option><option value=\"bytes\">File size<\/option><\/select><\/label><label data-text-characters>Character count<input type=\"number\" name=\"text_characters\" min=\"1\" value=\"10000\" inputmode=\"numeric\"><\/label><label data-text-bytes hidden>Size<input type=\"number\" name=\"text_size\" min=\"1\" value=\"1\" step=\"1\"><\/label><label data-text-bytes hidden>Unit<select name=\"text_unit\"><option value=\"1024\">KB<\/option><option value=\"1048576\">MB<\/option><option value=\"1073741824\">GB<\/option><option value=\"1\">byte<\/option><\/select><\/label><label>Encoding<select name=\"text_encoding\"><option value=\"UTF-8\">UTF-8 (recommended)<\/option><option value=\"UTF-16LE\">UTF-16LE<\/option><option value=\"UTF-16BE\">UTF-16BE<\/option><option value=\"WINDOWS-31J\">Windows-31J \/ CP932<\/option><option value=\"SHIFT_JIS\">Shift_JIS<\/option><option value=\"EUC-JP\">EUC-JP<\/option><option value=\"ISO-2022-JP\">ISO-2022-JP<\/option><option value=\"US-ASCII\">US-ASCII<\/option><option value=\"ISO-8859-1\">ISO-8859-1<\/option><\/select><\/label><\/div><fieldset class=\"jin-dummy__checks\"><legend>Data content (half-width letters and digits are always included)<\/legend><label><input type=\"checkbox\" name=\"full_width\"> Full-width characters (\u3042, \u30a2, \u6f22, \uff21, \uff11)<\/label><label><input type=\"checkbox\" name=\"symbols\"> Symbols<\/label><label><input type=\"checkbox\" name=\"emoji\"> Emoji<\/label><label><input type=\"checkbox\" name=\"platform_chars\"> Environment-dependent characters<\/label><\/fieldset><\/section>\n\t\t\t\t<section class=\"jin-dummy__panel\" data-panel=\"table\" hidden><h2>CSV \/ Excel file<\/h2><div class=\"jin-dummy__grid\"><label>Format<select name=\"table_format\"><option value=\"csv\">CSV (.csv)<\/option><option value=\"xlsx\">Excel (.xlsx)<\/option><\/select><\/label><label>Rows<input type=\"number\" name=\"rows\" min=\"1\" value=\"1000\" inputmode=\"numeric\"><\/label><label>Columns<input type=\"number\" name=\"columns\" min=\"1\" value=\"10\" inputmode=\"numeric\"><\/label><label data-csv-only>Delimiter<select name=\"delimiter\"><option value=\",\">Comma (,)<\/option><option value=\";\">Semicolon (;)<\/option><option value=\"tab\">Tab<\/option><option value=\"|\">Pipe (|)<\/option><option value=\"custom\">Other<\/option><\/select><\/label><label data-custom-delimiter hidden>Custom delimiter<input type=\"text\" name=\"custom_delimiter\" maxlength=\"4\" value=\"^\"><\/label><span data-csv-only><label>Encoding<select name=\"table_encoding\"><option value=\"UTF-8\">UTF-8 (recommended)<\/option><option value=\"UTF-16LE\">UTF-16LE<\/option><option value=\"UTF-16BE\">UTF-16BE<\/option><option value=\"WINDOWS-31J\">Windows-31J \/ CP932<\/option><option value=\"SHIFT_JIS\">Shift_JIS<\/option><option value=\"EUC-JP\">EUC-JP<\/option><option value=\"ISO-2022-JP\">ISO-2022-JP<\/option><option value=\"US-ASCII\">US-ASCII<\/option><option value=\"ISO-8859-1\">ISO-8859-1<\/option><\/select><\/label><\/span><\/div><p class=\"jin-dummy__hint\" data-xlsx-note hidden>The encoding inside Excel (.xlsx) files is fixed to UTF-8 by the format specification.<\/p><fieldset class=\"jin-dummy__checks\"><legend>Data content (half-width letters and digits are always included)<\/legend><label><input type=\"checkbox\" name=\"full_width\"> Full-width characters (\u3042, \u30a2, \u6f22, \uff21, \uff11)<\/label><label><input type=\"checkbox\" name=\"symbols\"> Symbols<\/label><label><input type=\"checkbox\" name=\"emoji\"> Emoji<\/label><label><input type=\"checkbox\" name=\"platform_chars\"> Environment-dependent characters<\/label><\/fieldset><\/section>\n\t\t\t\t<section class=\"jin-dummy__panel\" data-panel=\"image\" hidden><h2>Image files<\/h2><div class=\"jin-dummy__grid\"><label>Format<select name=\"image_format\"><option value=\"png\">PNG<\/option><option value=\"gif\">GIF<\/option><option value=\"svg\">SVG<\/option><option value=\"jpeg\">JPEG<\/option><option value=\"webp\">WebP<\/option><\/select><\/label><label>Size per file<input type=\"number\" name=\"image_size\" min=\"1\" value=\"1\" step=\"1\"><\/label><label>Unit<select name=\"image_unit\"><option value=\"1024\">KB<\/option><option value=\"1048576\">MB<\/option><option value=\"1073741824\">GB<\/option><option value=\"1\">byte<\/option><\/select><\/label><label>File count<input type=\"number\" name=\"image_files\" min=\"1\" value=\"1\" inputmode=\"numeric\"><\/label><\/div><p class=\"jin-dummy__hint\">For two or more files, names are numbered, such as <code>001.png<\/code>, and bundled into a ZIP. WebP files are created in 2-byte increments.<\/p><\/section>\n\t\t\t\t<div class=\"jin-dummy__summary\"><div><span>Planned output<\/span><strong data-summary>Text \/ 10,000 characters<\/strong><\/div><div><span>Retention after activity stops<\/span><strong>Within 15 minutes<\/strong><\/div><\/div>\n\t\t\t\t<div class=\"jin-dummy__actions\"><button type=\"submit\" class=\"jin-dummy__generate\" data-generate ><span data-button-label>Create dummy file<\/span><span class=\"jin-dummy__spinner\" aria-hidden=\"true\"><\/span><\/button><button type=\"button\" class=\"jin-dummy__cancel\" data-cancel hidden>Cancel<\/button><\/div>\n\t\t\t\t<section class=\"jin-dummy__progress\" data-progress-region aria-live=\"polite\" aria-atomic=\"true\"><div class=\"jin-dummy__progress-head\"><strong data-status>Choose the settings.<\/strong><span data-percent>0%<\/span><\/div><div class=\"jin-dummy__track\" role=\"progressbar\" aria-valuemin=\"0\" aria-valuemax=\"100\" aria-valuenow=\"0\" data-progress><span><\/span><\/div><p data-detail>Keep this page open and wait while files are generated.<\/p><a class=\"jin-dummy__download\" data-download hidden>Download<\/a><\/section>\n\t\t\t<\/form>\n\t\t<template data-jin-text=\"step-current\">Current step<\/template>\n<template data-jin-text=\"step-visited\">Visited step<\/template>\n<template data-jin-text=\"step-upcoming\">Upcoming<\/template>\n<template data-jin-text=\"message-001\">Specify {v0} as an integer of at least 1.<\/template>\n<template data-jin-text=\"message-002\">Specify {v0} as a whole number of bytes.<\/template>\n<template data-jin-text=\"message-003\">The server response could not be read.<\/template>\n<template data-jin-text=\"message-004\">The operation could not be completed.<\/template>\n<template data-jin-text=\"message-005\">The server did not respond within 45 seconds. Use \u201cCheck status\u201d to resume.<\/template>\n<template data-jin-text=\"message-006\">Return with settings retained<\/template>\n<template data-jin-text=\"message-007\">Confirm saved file and create next<\/template>\n<template data-jin-text=\"message-008\">Cancel<\/template>\n<template data-jin-text=\"message-009\">Return with settings retained<\/template>\n<template data-jin-text=\"message-010\">Your settings are retained. Create again or change the settings.<\/template>\n<template data-jin-text=\"message-011\">Character count<\/template>\n<template data-jin-text=\"message-012\">TEXT \/ {v0} characters<\/template>\n<template data-jin-text=\"message-013\">Size<\/template>\n<template data-jin-text=\"message-014\">TEXT \/ {v0}<\/template>\n<template data-jin-text=\"message-015\">Row count<\/template>\n<template data-jin-text=\"message-016\">Column count<\/template>\n<template data-jin-text=\"message-017\">{v0}{v1} rows \u00d7 {v2} columns<\/template>\n<template data-jin-text=\"message-018\">Image size<\/template>\n<template data-jin-text=\"message-019\">File count<\/template>\n<template data-jin-text=\"message-020\">{v0} files<\/template>\n<template data-jin-text=\"message-021\">Check the settings<\/template>\n<template data-jin-text=\"message-022\">Character count<\/template>\n<template data-jin-text=\"message-023\">Size<\/template>\n<template data-jin-text=\"message-024\">Row count<\/template>\n<template data-jin-text=\"message-025\">Column count<\/template>\n<template data-jin-text=\"message-026\">Image size<\/template>\n<template data-jin-text=\"message-027\">File count<\/template>\n<template data-jin-text=\"message-028\">Resume previous creation<\/template>\n<template data-jin-text=\"message-029\">Check status<\/template>\n<template data-jin-text=\"message-030\">Cancel previous job and start again<\/template>\n<template data-jin-text=\"message-031\">A previous creation job remains.<\/template>\n<template data-jin-text=\"message-032\">The transfer is finishing. Wait briefly, then check its status. Job information is retained even if cancellation fails.<\/template>\n<template data-jin-text=\"message-033\">Resume the previous job, or cancel it and create a new file.<\/template>\n<template data-jin-text=\"message-034\">Choose the settings.<\/template>\n<template data-jin-text=\"message-035\">Creation has not started because the job status could not be checked. Use \u201cCheck status\u201d to retry.<\/template>\n<template data-jin-text=\"message-036\">Download<\/template>\n<template data-jin-text=\"message-037\">Discard generated file<\/template>\n<template data-jin-text=\"message-038\">Creation is complete. You can save the file.<\/template>\n<template data-jin-text=\"message-039\">Choose a save location to receive and write the file incrementally.<\/template>\n<template data-jin-text=\"message-040\">The browser download is used. Check its progress in the browser download list.<\/template>\n<template data-jin-text=\"message-041\">The generated file was discarded.<\/template>\n<template data-jin-text=\"message-042\">Cancellation is not complete yet.<\/template>\n<template data-jin-text=\"message-043\">{v0} Use \u201cCheck status\u201d or retry cancellation.<\/template>\n<template data-jin-text=\"message-044\">Cancel<\/template>\n<template data-jin-text=\"message-045\">{v0} has been generated.<\/template>\n<template data-jin-text=\"message-046\">You can create again with the same settings.<\/template>\n<template data-jin-text=\"message-047\">Waiting for temporary files to be cleaned up after your save confirmation.<\/template>\n<template data-jin-text=\"message-048\">The browser was asked to download the file.<\/template>\n<template data-jin-text=\"message-049\">Save completion cannot be detected automatically. Check the browser download list, then press \u201cConfirm saved file and create next\u201d. If downloading does not start, download again or check the status.<\/template>\n<template data-jin-text=\"message-050\">Reopen this page using HTTPS.<\/template>\n<template data-jin-text=\"message-051\">Receiving was cancelled.<\/template>\n<template data-jin-text=\"message-052\">Cancel receiving<\/template>\n<template data-jin-text=\"message-053\">Writing received data to the save location\u2026<\/template>\n<template data-jin-text=\"message-054\">The file response could not be verified (HTTP {v0}). Stopped without saving. Use \u201cCheck status\u201d to resume.<\/template>\n<template data-jin-text=\"message-055\">Saving was cancelled because the received size exceeded the expected size.<\/template>\n<template data-jin-text=\"message-056\">Writing received data to the save location\u2026<\/template>\n<template data-jin-text=\"message-057\">The saving time limit was reached.<\/template>\n<template data-jin-text=\"message-058\">The file transfer was interrupted. Stopped without committing the saved file.<\/template>\n<template data-jin-text=\"message-059\">Committing the write to the save location\u2026<\/template>\n<template data-jin-text=\"message-060\">Wait for the browser to finish saving.<\/template>\n<template data-jin-text=\"message-061\">Writing to the save location is complete.<\/template>\n<template data-jin-text=\"message-062\">Press \u201cConfirm saved file and create next\u201d to return with your settings retained.<\/template>\n<template data-jin-text=\"message-063\">Save location selection was cancelled.<\/template>\n<template data-jin-text=\"message-064\">Stopped because receiving or writing made no progress for 60 seconds.<\/template>\n<template data-jin-text=\"message-065\">Receiving and saving were cancelled.<\/template>\n<template data-jin-text=\"message-066\">Save completion could not be confirmed. Check the save location, free space, and browser permission, then check the status and resume, or cancel and start again.<\/template>\n<template data-jin-text=\"message-067\">Preparing to generate\u2026<\/template>\n<template data-jin-text=\"message-068\">Checking temporary storage and usage limits.<\/template>\n<span hidden data-jin-language-fallback><template data-jin-text=\"step-current\">\u73fe\u5728\u306e\u624b\u9806<\/template>\n<template data-jin-text=\"step-visited\">\u78ba\u8a8d\u3057\u305f\u624b\u9806<\/template>\n<template data-jin-text=\"step-upcoming\">\u3053\u308c\u304b\u3089<\/template>\n<template data-jin-text=\"message-001\">{v0}\u306f1\u4ee5\u4e0a\u306e\u6574\u6570\u3067\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/template>\n<template data-jin-text=\"message-002\">{v0}\u306f\u6574\u6570\u306e\u30d0\u30a4\u30c8\u306b\u306a\u308b\u3088\u3046\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/template>\n<template 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--jj-muted:#626571;\n display:block; box-sizing:border-box; width:100%; max-width:100%;\n margin:48px auto 32px; padding:40px; border:1px solid #d7d3df;\n border-radius:8px; background:#fff!important; background-image:none!important;\n color:var(--jj-text); font-family:inherit; font-size:1rem; line-height:1.9;\n letter-spacing:.02em; text-align:left; overflow-wrap:anywhere;\n box-shadow:0 3px 16px rgba(48,36,68,.035); isolation:isolate;\n}\n.jj-guide.jj-guide *, .jj-guide.jj-guide *::before, .jj-guide.jj-guide *::after {box-sizing:border-box;}\n.jj-guide.jj-guide :is(h2,h3,p,ol,li,dl,dt,dd,figure,figcaption,details,summary,code) {margin:0;padding:0;border:0;background:none;box-shadow:none;color:inherit;}\n.jj-guide.jj-guide :is(h2,h3) {position:static;font-family:inherit;font-weight:700;line-height:1.6;letter-spacing:.025em;}\n.jj-guide.jj-guide :is(h2,h3,li)::before,.jj-guide.jj-guide :is(h2,h3,li)::after {content:none!important;display:none!important;}\n.jj-guide.jj-guide h2 {font-size:1.3rem;}\n.jj-guide.jj-guide h3 {font-size:1.0625rem;}\n.jj-guide.jj-guide p + p {margin-top:10px;}\n.jj-guide.jj-guide .jj-guide__intro {padding:0 0 30px;border-bottom:1px solid var(--jj-line);}\n.jj-guide.jj-guide .jj-guide__eyebrow {color:var(--jj-accent);font-size:.8125rem;font-weight:700;letter-spacing:.06em;}\n.jj-guide.jj-guide .jj-guide__eyebrow span {margin:0 10px;color:#b7a9cd;}\n.jj-guide.jj-guide .jj-guide__intro h2 {padding:0;margin:14px 0 16px;font-size:1.875rem;line-height:1.65;background:none;color:var(--jj-text);}\n.jj-guide.jj-guide .jj-guide__intro h2 br {display:none;}\n.jj-guide.jj-guide .jj-guide__lead {color:var(--jj-muted);max-width:none;}\n.jj-guide.jj-guide .jj-guide__tags {display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}\n.jj-guide.jj-guide .jj-guide__tags span {padding:3px 10px;border:1px solid #e5dfed;background:#faf8fd;color:var(--jj-accent);font-size:.75rem;border-radius:3px;}\n.jj-guide.jj-guide .jj-guide__section {padding:32px 0 0;}\n.jj-guide.jj-guide .jj-guide__section-title {display:flex;align-items:center;gap:12px;margin:0 0 24px;padding:12px 16px;background:var(--jj-soft);border-left:3px solid var(--jj-accent);border-radius:0 4px 4px 0;}\n.jj-guide.jj-guide .jj-guide__section-title h2 {flex:1;min-width:0;padding:0;margin:0;color:#393044;background:none;}\n.jj-guide.jj-guide .jj-guide__index {font:600 .8125rem\/1.5 Arial,sans-serif;letter-spacing:.06em;color:var(--jj-accent);}\n.jj-guide.jj-guide .jj-guide__steps {display:grid;grid-template-columns:1fr;list-style:none;gap:0;}\n.jj-guide.jj-guide .jj-guide__steps li {position:relative;display:grid;grid-template-columns:82px 1fr;column-gap:20px;list-style:none;padding:0 0 24px 0;}\n.jj-guide.jj-guide .jj-guide__steps li + li {padding-top:24px;border-top:1px solid #eeecf2;}\n.jj-guide.jj-guide .jj-guide__steps li:last-child {padding-bottom:0;}\n.jj-guide.jj-guide .jj-guide__step-label {grid-row:1\/3;align-self:start;padding:7px 0;text-align:center;border:1px solid #d8cce8;border-radius:4px;color:var(--jj-accent);font:600 .75rem\/1.5 Arial,sans-serif;letter-spacing:.04em;background:#fff;}\n.jj-guide.jj-guide .jj-guide__steps h3 {margin:0 0 6px;}\n.jj-guide.jj-guide .jj-guide__steps p {color:var(--jj-muted);}\n.jj-guide.jj-guide .jj-guide__note {margin-top:20px;padding:14px 18px;background:#f8f8fa;border-radius:4px;color:var(--jj-muted);font-size:.875rem;}\n.jj-guide.jj-guide .jj-guide__definitions {margin:20px 0 0;border:1px solid var(--jj-line);border-radius:4px;overflow:hidden;}\n.jj-guide.jj-guide .jj-guide__definitions > div {display:grid;grid-template-columns:210px minmax(0,1fr);}\n.jj-guide.jj-guide .jj-guide__definitions > div + div {border-top:1px solid var(--jj-line);}\n.jj-guide.jj-guide .jj-guide__definitions dt {padding:16px;background:#f8f7fa;font-weight:700;font-size:.9375rem;}\n.jj-guide.jj-guide .jj-guide__definitions dd {padding:16px;color:var(--jj-muted);font-size:.9375rem;}\n.jj-guide.jj-guide .jj-guide__features 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{background:#fff!important;box-shadow:none;} .jj-guide.jj-guide .jj-guide__footer a {display:none;}}\n<\/style>\n\n<article style=\"background:#ffffff;border:1px solid #d7d3df;border-radius:8px;\" class=\"jj-guide\" aria-labelledby=\"dummy-guide-title\">\n  <header class=\"jj-guide__intro\">\n    <p class=\"jj-guide__eyebrow\">How-to guide <span aria-hidden=\"true\">\/<\/span> Dummy File Generator<\/p>\n    <h2 id=\"dummy-guide-title\">Test files in the sizes you need.<\/h2>\n    <p class=\"jj-guide__lead\">Set the format and size of TEXT, CSV, Excel or image files for system testing. Data consists of meaningless test strings; no file upload is needed.<\/p>\n    <div class=\"jj-guide__tags\" aria-label=\"Key features\"><span>TEXT, CSV, and Excel<\/span><span>PNG, GIF, SVG, JPEG, and WebP<\/span><span>Set size, rows and columns<\/span><\/div>\n  <\/header>\n\n  <section class=\"jj-guide__section\" aria-labelledby=\"dummy-guide-how\">\n    <div class=\"jj-guide__section-title\"><span class=\"jj-guide__index\" aria-hidden=\"true\">01<\/span><h2 id=\"dummy-guide-how\">How to create dummy files<\/h2><\/div>\n    <ol class=\"jj-guide__steps\">\n      <li><span class=\"jj-guide__step-label\">STEP 01<\/span><h3>Choose a format<\/h3><p>Choose TEXT, CSV \/ Excel or IMAGE above the tool.<\/p><\/li>\n      <li><span class=\"jj-guide__step-label\">STEP 02<\/span><h3>Set size and data options<\/h3><p>Set text length or file size for TEXT, rows and columns for CSV\/Excel, or size per file and image count. Review the planned output.<\/p><\/li>\n      <li><span class=\"jj-guide__step-label\">STEP 03<\/span><h3>Generate dummy files<\/h3><p>Check your settings and start generation. Progress and generated size are displayed; keep the page open until completion. Use Cancel to stop.<\/p><\/li>\n      <li><span class=\"jj-guide__step-label\">STEP 04<\/span><h3>Download files<\/h3><p>Download after generation completes. Two or more images are saved as a ZIP with numbered filenames.<\/p><\/li>\n    <\/ol>\n    <p class=\"jj-guide__note\">Large files take time to generate and download. Keep a stable connection and wait during generation.<\/p>\n  <\/section>\n\n  <section class=\"jj-guide__section\" aria-labelledby=\"dummy-guide-formats\">\n    <div class=\"jj-guide__section-title\"><span class=\"jj-guide__index\" aria-hidden=\"true\">02<\/span><h2 id=\"dummy-guide-formats\">Settings by format<\/h2><\/div>\n    <div class=\"jj-guide__features\">\n      <section><h3>TEXT files<\/h3><p>Set character count or file size. UTF-8 is the default; UTF-16, Windows-31J and other encodings are available.<\/p><p class=\"jj-guide__fine\">With character-count input, final bytes vary by encoding and additional characters. Choose file size when you need an exact size.<\/p><\/section>\n      <section><h3>CSV files<\/h3><p>Choose rows, columns, encoding and delimiter. Use comma, semicolon, tab, pipe or any single custom character.<\/p><p class=\"jj-guide__fine\">Each cell contains <code>D1C1<\/code> a string identifying its row and column.<\/p><\/section>\n      <section><h3>Excel files<\/h3><p>Set rows and columns for .xlsx. Encoding is fixed to UTF-8 by the Excel format. The generated sheet is named Dummy.<\/p><p class=\"jj-guide__fine\">A simple Excel file with dummy data only: no formulas, images, charts or macros.<\/p><\/section>\n      <section><h3>Image files<\/h3><p>Choose PNG, GIF, SVG, JPEG or WebP, size per file and count. A single file is saved as an image such as <code>001.png<\/code> while two or more are saved as <code>dummy-images.zip<\/code> .<\/p><p class=\"jj-guide__fine\">WebP size must be specified in two-byte increments.<\/p><\/section>\n    <\/div>\n  <\/section>\n\n  <section class=\"jj-guide__section\" aria-labelledby=\"dummy-guide-content\">\n    <div class=\"jj-guide__section-title\"><span class=\"jj-guide__index\" aria-hidden=\"true\">03<\/span><h2 id=\"dummy-guide-content\">Data and encoding<\/h2><\/div>\n    <p>TEXT, CSV and Excel use half-width letters and numbers by default. Add these character types for your tests.<\/p>\n    <dl class=\"jj-guide__definitions\">\n      <div><dt>Symbols<\/dt><dd>Add punctuation, brackets and other symbols to dummy data.<\/dd><\/div>\n      <div><dt>Emoji<\/dt><dd>Test data containing emoji. Available only with UTF-8, UTF-16LE and UTF-16BE.<\/dd><\/div>\n      <div><dt>Platform-dependent characters<\/dt><dd>Add characters such as circled numbers whose display or import can vary by environment. Unavailable with US-ASCII or ISO-8859-1.<\/dd><\/div>\n    <\/dl>\n    <aside class=\"jj-guide__keyword\" aria-labelledby=\"dummy-guide-encoding\"><div><p class=\"jj-guide__eyebrow\">Check encoding issues<\/p><h3 id=\"dummy-guide-encoding\">Use the destination&#8217;s encoding.<\/h3><\/div><div><p>Follow the tested system&#8217;s encoding requirement. If none is specified, UTF-8 is recommended.<\/p><p class=\"jj-guide__fine\">Combinations containing characters unsupported by the selected encoding cannot be generated. Review the guidance shown on screen.<\/p><\/div><\/aside>\n  <\/section>\n\n  <section class=\"jj-guide__section\" aria-labelledby=\"dummy-guide-limits\">\n    <div class=\"jj-guide__section-title\"><span class=\"jj-guide__index\" aria-hidden=\"true\">04<\/span><h2 id=\"dummy-guide-limits\">Usage limits and temporary storage<\/h2><\/div>\n    <div class=\"jj-guide__features\">\n      <section><h3>Limits vary by plan<\/h3><p>Character counts, rows, columns, image size\/count and total output size depend on your plan. Check your current plan and total limit above the tool.<\/p><p class=\"jj-guide__fine\">The absolute system limit is 1 GB per output. Available values follow your plan and site settings.<\/p><\/section>\n      <section><h3>Files are temporarily stored privately<\/h3><p>During generation, files use JIM-JIN&#8217;s shared private storage. They are deleted after download and become eligible for cleanup on cancellation or page closure.<\/p><p class=\"jj-guide__fine\">Interrupted output also becomes eligible for deletion within 15 minutes of starting. Download promptly after completion.<\/p><\/section>\n    <\/div>\n    <p class=\"jj-guide__note\">Generated data is for testing only. It contains no real names, addresses, email addresses or other personal information.<\/p>\n  <\/section>\n\n  <section class=\"jj-guide__section\" aria-labelledby=\"dummy-guide-use\">\n    <div class=\"jj-guide__section-title\"><span class=\"jj-guide__index\" aria-hidden=\"true\">05<\/span><h2 id=\"dummy-guide-use\">Useful for<\/h2><\/div>\n    <div class=\"jj-guide__uses\">\n      <section><h3>Upload size limits<\/h3><p>Generate a TEXT or image file of a specified size to test system file-size boundaries.<\/p><\/section>\n      <section><h3>CSV and Excel import load<\/h3><p>Vary rows and columns to check import time and large-data handling.<\/p><\/section>\n      <section><h3>Encoding and special characters<\/h3><p>Vary encoding, symbols, emoji and platform-dependent characters to check display and import results.<\/p><\/section>\n    <\/div>\n  <\/section>\n\n  <section class=\"jj-guide__section\" aria-labelledby=\"dummy-guide-faq\">\n    <div class=\"jj-guide__section-title\"><span class=\"jj-guide__index\" aria-hidden=\"true\">06<\/span><h2 id=\"dummy-guide-faq\">Frequently asked questions<\/h2><\/div>\n    <div class=\"jj-guide__faq\">\n      <details><summary>Which formats can I create?<\/summary><div><p>TEXT (.txt), CSV (.csv), Excel (.xlsx), PNG, GIF, SVG, JPEG and WebP. Excel .xls\/.xlsm and other image formats are excluded.<\/p><\/div><\/details>\n      <details><summary>Do files contain meaningful data?<\/summary><div><p>No. They contain repeated test letters and numbers and selected symbols, emoji or platform-dependent characters. CSV and Excel cells also include position identifiers.<\/p><\/div><\/details>\n      <details><summary>Can I set image width and height?<\/summary><div><p>No. Set format, size per file and count. Use this to test formats, sizes and multiple-file acceptance rather than image appearance.<\/p><\/div><\/details>\n      <details><summary>Why cannot I generate the requested size?<\/summary><div><p>Check your plan limit, total output limit, encoding and additional character combination. Follow the on-screen message to review values or selections.<\/p><\/div><\/details>\n      <details><summary>What happens if I cancel?<\/summary><div><p>Cancellation deletes server temporary files promptly. If a lost connection prevents immediate deletion, they still become eligible for cleanup within 15 minutes of starting.<\/p><\/div><\/details>\n      <details><summary>What does shared storage unavailable mean?<\/summary><div><p>No user setup is needed. Contact the site administrator to check storage and server diagnostics under Dummy File Generator in JIN tool settings.<\/p><\/div><\/details>\n    <\/div>\n  <\/section>\n\n  <footer class=\"jj-guide__footer\"><span>Create test files for your required conditions.<\/span><a href=\"#jin-dummy-1\">Back to tool <span aria-hidden=\"true\">\u2191<\/span><\/a><\/footer>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Create dummy images,text and CSV files A free web tool for dummy image, text and CSV files. How-to guide \/ Dummy File Generator Test files in the sizes you need. Set the format and size of TEXT, CSV, Excel or image files for system testing. Data consists of meaningless test strings; no file upload is [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"swell_btn_cv_data":"","footnotes":""},"class_list":["post-558","page","type-page","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Create dummy images,text and CSV files A free web tool for dummy image, text and CSV files. How-to guide \/ Dummy File Generator Test files in the sizes you need. 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