{"id":256,"date":"2026-09-04T00:40:25","date_gmt":"2026-09-03T15:40:25","guid":{"rendered":"https:\/\/jim-jin.com\/?page_id=256"},"modified":"2026-10-08T09:10:02","modified_gmt":"2026-10-08T00:10:02","slug":"diff","status":"publish","type":"page","link":"https:\/\/jim-jin.com\/en\/diff","title":{"rendered":"Text and File Difference Checker"},"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\n  aria-labelledby=\"apple-hero-title\"\n  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    Text and Text File Diff Tool<br \/>A free tool\n    <\/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    Compare two texts or text files and highlight their differences.\n    <\/p>\n  <\/div>\n<\/section>\n\n\n        <div class=\"jwtc-member-status jwtc-member-status--horizontal\" data-jwtc-member-status data-endpoint=\"https:\/\/jim-jin.com\/en\/?jwtc_action=jwtc_member_status\" role=\"region\" aria-label=\"Member sign-in status\">\n            <div class=\"jwtc-member-status__details\" aria-live=\"polite\" aria-atomic=\"true\" aria-busy=\"true\">\n                <span class=\"jwtc-member-status__avatar\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\" width=\"20\" height=\"20\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.5\"><circle cx=\"12\" cy=\"8\" r=\"3.5\"\/><path d=\"M5 21v-2a7 7 0 0 1 14 0v2\"\/><\/svg><\/span>\n                <span class=\"jwtc-member-status__person\"><strong data-member-field=\"name\">Hello<\/strong><small data-member-field=\"status\">Checking\u2026<\/small><\/span>\n                <span class=\"jwtc-member-status__plan\" data-member-field=\"plan\"><\/span>\n            <\/div>\n            <nav class=\"jwtc-member-status__links\" aria-label=\"Member menu\">\n                <a href=\"https:\/\/jim-jin.com\/en\/registration\">Create a free account or sign in<\/a>\n            <\/nav>\n            <p class=\"jwtc-member-status__error\" hidden>Could not check your sign-in status.<button type=\"button\" data-member-retry>Retry<\/button><\/p>\n            <noscript><p>Enable JavaScript to display your sign-in status. You can still open the account page using the links.<\/p><\/noscript>\n        <\/div>\n        \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 character count from 20,000 characters to 100,000 characters.<\/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\t\t<article data-jin-language=\"en\" lang=\"en\" id=\"jin-document-diff-1\" class=\"jin-dd\" data-document-diff>\n\t\t\t<header class=\"jin-dd__header\"><div class=\"jin-dd__logo\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/jim-jin.com\/en\/wp-content\/uploads\/2026\/09\/03-document-diff-300x300.png\" class=\"jin-dd__logo-image\" alt=\"\" title=\"Text &amp; File Comparison\" srcset=\"https:\/\/jim-jin.com\/en\/wp-content\/uploads\/2026\/09\/03-document-diff-300x300.png 300w, https:\/\/jim-jin.com\/en\/wp-content\/uploads\/2026\/09\/03-document-diff-150x150.png 150w, https:\/\/jim-jin.com\/en\/wp-content\/uploads\/2026\/09\/03-document-diff.png 512w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><div><p class=\"jin-dd__eyebrow\">JIM-JIN Data Care Lab<\/p><h1>Text &amp; File Comparison<\/h1><p class=\"jin-dd__lead\">Compare the before and after versions to see what changed.<\/p><\/div><\/header>\n\t\t\t<section class=\"jin-dd__account\" aria-label=\"User information\"><span>Guest<\/span><span class=\"jin-dd__plan jin-dd__plan--free\">Free<\/span><span>Not logged in<\/span><span class=\"jin-dd__limit\">Each pasted text: 20,000 characters \u00b7 Total file size: 10MB<\/span><\/section>\n\t\t\t<aside class=\"jin-dd__privacy\" role=\"note\" aria-label=\"Data handling\"><p>Pasted text is compared in your browser and is not sent to a server. Files are sent temporarily for comparison and deleted on save, finish, cancel or failure. Interrupted data becomes unavailable within 60 minutes and is cleaned up regularly.<\/p><\/aside>\n\t\t\t<ol class=\"jin-dd-steps\" aria-label=\"Workflow\"><li class=\"is-current\" data-step=\"1\" aria-current=\"step\"><span class=\"jin-dd-step__number\">1<\/span><div><b>Choose content<\/b><small data-step-status>Current step<\/small><\/div><\/li><li data-step=\"2\"><span class=\"jin-dd-step__number\">2<\/span><div><b>Comparison options<\/b><small data-step-status>Upcoming<\/small><\/div><\/li><li data-step=\"3\"><span class=\"jin-dd-step__number\">3<\/span><div><b>Review changes<\/b><small data-step-status>Upcoming<\/small><\/div><\/li><li data-step=\"4\"><span class=\"jin-dd-step__number\">4<\/span><div><b>Save<\/b><small data-step-status>Upcoming<\/small><\/div><\/li><\/ol>\n\t\t\t<section class=\"jin-dd__intro\" aria-label=\"About this tool\"><h2>See changes in text and files at a glance<\/h2><p>Choose the before and after versions to highlight additions, deletions and edits. The original content is not changed.<\/p><\/section>\n\t\t\t<div class=\"jin-dd-tabs\" role=\"tablist\" aria-label=\"Content to compare\"><button type=\"button\" role=\"tab\" aria-selected=\"true\" data-mode-tab=\"text\">Paste text<\/button><button type=\"button\" role=\"tab\" aria-selected=\"false\" data-mode-tab=\"file\">Choose files<\/button><\/div>\n\t\t\t<section class=\"jin-dd-panel\" data-mode-panel=\"text\">\n\t\t\t\t<div class=\"jin-dd-editors\"><label><span>Before<\/span><textarea rows=\"14\" maxlength=\"20000\" placeholder=\"Paste the original text\" data-before-text><\/textarea><small><b data-before-count>0<\/b> \/ 20,000 characters<\/small><\/label><button type=\"button\" class=\"jin-dd-swap\" data-swap-text aria-label=\"Swap the before and after versions\">&#8646;<span>Swap<\/span><\/button><label><span>After<\/span><textarea rows=\"14\" maxlength=\"20000\" placeholder=\"Paste the updated text\" data-after-text><\/textarea><small><b data-after-count>0<\/b> \/ 20,000 characters<\/small><\/label><\/div>\n\t\t\t\t<div class=\"jin-dd-actions\"><button type=\"button\" class=\"jin-dd-button jin-dd-button--primary\" data-text-next>Choose comparison options<\/button><\/div>\n\t\t\t<\/section>\n\t\t\t<section class=\"jin-dd-panel\" data-mode-panel=\"file\" hidden>\n\t\t\t\t<div class=\"jin-dd-file-state is-warning\" role=\"status\"><strong>File comparison is currently unavailable<\/strong><span>File comparison is unavailable because server preparation is incomplete. Pasted text comparison is available. Please contact the site administrator.<\/span><\/div>\n\t\t\t\t<div class=\"jin-dd-file-grid\"><label class=\"jin-dd-drop\"><span class=\"jin-dd-drop__number\">1<\/span><strong>Original file<\/strong><small data-before-file-name>Drop here or choose a file<\/small><input type=\"file\" accept=\".docx,.pdf,.csv,.txt\" data-before-file  disabled='disabled'><\/label><label class=\"jin-dd-drop\"><span class=\"jin-dd-drop__number\">2<\/span><strong>Updated file<\/strong><small data-after-file-name>Drop here or choose a file<\/small><input type=\"file\" accept=\".docx,.pdf,.csv,.txt\" data-after-file  disabled='disabled'><\/label><\/div>\n\t\t\t\t<div class=\"jin-dd-encoding\" data-encoding-options hidden><h3>Text encoding<\/h3><p>Applies to CSV and text files. If automatic detection is uncertain, choose an encoding from the displayed candidates.<\/p><div><label>Before<select data-before-encoding><option value=\"auto\">Automatic detection\uff08\u5224\u65ad\u304c\u96e3\u3057\u3044\u5834\u5408\u306f\u78ba\u8a8d\u3057\u307e\u3059\uff09<\/option><option value=\"UTF-8\">UTF-8\uff08\u4e16\u754c\u5171\u901a\u30fb\u63a8\u5968\uff09<\/option><option value=\"UTF-16LE\">UTF-16LE\uff08Windows\u30fb\u591a\u8a00\u8a9e\uff09<\/option><option value=\"UTF-16BE\">UTF-16BE\uff08\u591a\u8a00\u8a9e\uff09<\/option><option value=\"Windows-31J\">Windows-31J \/ CP932\uff08JapaneseWindows\uff09<\/option><option value=\"Shift_JIS\">Shift_JIS\uff08Japanese\uff09<\/option><option value=\"ISO-2022-JP\">ISO-2022-JP\uff08Japanese\u30e1\u30fc\u30eb\u30fb\u65e7\u30b7\u30b9\u30c6\u30e0\uff09<\/option><option value=\"EUC-JP\">EUC-JP\uff08JapaneseUnix\u30fb\u65e7\u30b7\u30b9\u30c6\u30e0\uff09<\/option><option value=\"US-ASCII\">US-ASCII\uff08\u82f1\u8a9e\uff09<\/option><option value=\"Windows-1252\">Windows-1252\uff08\u82f1\u8a9e\u30fb\u897f\u30e8\u30fc\u30ed\u30c3\u30d1\uff09<\/option><option value=\"ISO-8859-1\">ISO-8859-1\uff08\u897f\u30e8\u30fc\u30ed\u30c3\u30d1\uff09<\/option><option value=\"ISO-8859-15\">ISO-8859-15\uff08\u897f\u30e8\u30fc\u30ed\u30c3\u30d1\u30fb\u30e6\u30fc\u30ed\u8a18\u53f7\uff09<\/option><option value=\"Windows-1256\">Windows-1256\uff08\u30a2\u30e9\u30d3\u30a2\u8a9e\u570f\uff09<\/option><option value=\"ISO-8859-6\">ISO-8859-6\uff08\u30a2\u30e9\u30d3\u30a2\u8a9e\u570f\uff09<\/option><option value=\"GB18030\">GB18030\uff08\u4e2d\u56fd\u8a9e\u30fb\u7c21\u4f53\u5b57\uff09<\/option><option value=\"GBK\">GBK\uff08\u4e2d\u56fd\u8a9e\u30fb\u7c21\u4f53\u5b57\uff09<\/option><option value=\"GB2312\">GB2312\uff08\u4e2d\u56fd\u8a9e\u30fb\u7c21\u4f53\u5b57\u30fb\u65e7\u30b7\u30b9\u30c6\u30e0\uff09<\/option><option value=\"Big5\">Big5\uff08\u4e2d\u56fd\u8a9e\u30fb\u7e41\u4f53\u5b57\uff09<\/option><option value=\"Big5-HKSCS\">Big5-HKSCS\uff08\u9999\u6e2f\u30fb\u7e41\u4f53\u5b57\uff09<\/option><option value=\"EUC-KR\">EUC-KR\uff08\u97d3\u56fd\u8a9e\u30fb\u65e7\u30b7\u30b9\u30c6\u30e0\uff09<\/option><option value=\"CP949\">CP949\uff08\u97d3\u56fd\u8a9eWindows\uff09<\/option><\/select><\/label><label>After<select data-after-encoding><option value=\"auto\">Automatic detection\uff08\u5224\u65ad\u304c\u96e3\u3057\u3044\u5834\u5408\u306f\u78ba\u8a8d\u3057\u307e\u3059\uff09<\/option><option value=\"UTF-8\">UTF-8\uff08\u4e16\u754c\u5171\u901a\u30fb\u63a8\u5968\uff09<\/option><option value=\"UTF-16LE\">UTF-16LE\uff08Windows\u30fb\u591a\u8a00\u8a9e\uff09<\/option><option value=\"UTF-16BE\">UTF-16BE\uff08\u591a\u8a00\u8a9e\uff09<\/option><option value=\"Windows-31J\">Windows-31J \/ CP932\uff08JapaneseWindows\uff09<\/option><option value=\"Shift_JIS\">Shift_JIS\uff08Japanese\uff09<\/option><option value=\"ISO-2022-JP\">ISO-2022-JP\uff08Japanese\u30e1\u30fc\u30eb\u30fb\u65e7\u30b7\u30b9\u30c6\u30e0\uff09<\/option><option value=\"EUC-JP\">EUC-JP\uff08JapaneseUnix\u30fb\u65e7\u30b7\u30b9\u30c6\u30e0\uff09<\/option><option value=\"US-ASCII\">US-ASCII\uff08\u82f1\u8a9e\uff09<\/option><option value=\"Windows-1252\">Windows-1252\uff08\u82f1\u8a9e\u30fb\u897f\u30e8\u30fc\u30ed\u30c3\u30d1\uff09<\/option><option value=\"ISO-8859-1\">ISO-8859-1\uff08\u897f\u30e8\u30fc\u30ed\u30c3\u30d1\uff09<\/option><option value=\"ISO-8859-15\">ISO-8859-15\uff08\u897f\u30e8\u30fc\u30ed\u30c3\u30d1\u30fb\u30e6\u30fc\u30ed\u8a18\u53f7\uff09<\/option><option value=\"Windows-1256\">Windows-1256\uff08\u30a2\u30e9\u30d3\u30a2\u8a9e\u570f\uff09<\/option><option value=\"ISO-8859-6\">ISO-8859-6\uff08\u30a2\u30e9\u30d3\u30a2\u8a9e\u570f\uff09<\/option><option value=\"GB18030\">GB18030\uff08\u4e2d\u56fd\u8a9e\u30fb\u7c21\u4f53\u5b57\uff09<\/option><option value=\"GBK\">GBK\uff08\u4e2d\u56fd\u8a9e\u30fb\u7c21\u4f53\u5b57\uff09<\/option><option value=\"GB2312\">GB2312\uff08\u4e2d\u56fd\u8a9e\u30fb\u7c21\u4f53\u5b57\u30fb\u65e7\u30b7\u30b9\u30c6\u30e0\uff09<\/option><option value=\"Big5\">Big5\uff08\u4e2d\u56fd\u8a9e\u30fb\u7e41\u4f53\u5b57\uff09<\/option><option value=\"Big5-HKSCS\">Big5-HKSCS\uff08\u9999\u6e2f\u30fb\u7e41\u4f53\u5b57\uff09<\/option><option value=\"EUC-KR\">EUC-KR\uff08\u97d3\u56fd\u8a9e\u30fb\u65e7\u30b7\u30b9\u30c6\u30e0\uff09<\/option><option value=\"CP949\">CP949\uff08\u97d3\u56fd\u8a9eWindows\uff09<\/option><\/select><\/label><\/div><\/div>\n\t\t\t\t<div class=\"jin-dd-actions\"><button type=\"button\" class=\"jin-dd-button jin-dd-button--primary\" data-file-next disabled>Choose comparison options<\/button><\/div>\n\t\t\t<\/section>\n\t\t\t<section class=\"jin-dd-panel\" data-options-panel hidden><h2>Comparison options<\/h2><p>Usually, you can compare without selecting any options.<\/p><div class=\"jin-dd-options\"><label><input type=\"checkbox\" value=\"line_endings\" data-ignore-option ><span>Line-ending differences only<\/span><\/label><label><input type=\"checkbox\" value=\"trailing_spaces\" data-ignore-option ><span>Trailing spaces<\/span><\/label><label><input type=\"checkbox\" value=\"repeated_spaces\" data-ignore-option ><span>Number of consecutive spaces<\/span><\/label><label><input type=\"checkbox\" value=\"blank_lines\" data-ignore-option ><span>Blank lines<\/span><\/label><label><input type=\"checkbox\" value=\"letter_case\" data-ignore-option ><span>Uppercase and lowercase letters<\/span><\/label><label><input type=\"checkbox\" value=\"width\" data-ignore-option ><span>Full-width and half-width letters, digits, and symbols<\/span><\/label><label><input type=\"checkbox\" value=\"unicode_normalization\" data-ignore-option ><span>Visually identical Unicode characters<\/span><\/label><\/div><div class=\"jin-dd-csv-key\" data-csv-key hidden><label><input type=\"checkbox\" data-use-key-column> Match rows using values in a specified column<\/label><label data-key-column-field hidden>Column number<input type=\"number\" min=\"1\" value=\"1\" data-key-column> (column A is 1)<\/label><\/div><div class=\"jin-dd-actions\"><button type=\"button\" class=\"jin-dd-button\" data-back>Back<\/button><button type=\"button\" class=\"jin-dd-button jin-dd-button--primary\" data-start-compare>Compare changes<\/button><\/div><\/section>\n\t\t\t<section class=\"jin-dd-result\" aria-labelledby=\"jin-document-diff-1-result-title\"><div class=\"jin-dd-result__heading\"><div><p>Comparison results<\/p><h2 id=\"jin-document-diff-1-result-title\">No differences displayed yet<\/h2><\/div><div class=\"jin-dd-result__nav\"><button type=\"button\" data-prev-diff disabled>Previous difference<\/button><button type=\"button\" data-next-diff disabled>Next difference<\/button><\/div><\/div><div class=\"jin-dd-summary\" data-summary><span><b>0<\/b> differences<\/span><span class=\"is-added\">Added 0<\/span><span class=\"is-removed\">Removed 0<\/span><span class=\"is-changed\">Changed 0<\/span><\/div><div class=\"jin-dd-progress\" data-progress hidden><p data-progress-message>Preparing\u2026<\/p><progress max=\"100\" value=\"0\" data-progress-bar><\/progress><button type=\"button\" class=\"jin-dd-button\" data-cancel>Cancel<\/button><\/div><div class=\"jin-dd-view-switch\" data-view-switch hidden><button type=\"button\" class=\"is-active\" data-view=\"side\">Side by side<\/button><button type=\"button\" data-view=\"unified\">Single column<\/button><\/div><div class=\"jin-dd-result__body\" data-result-body><div class=\"jin-dd-placeholder\"><span aria-hidden=\"true\">&#8644;<\/span><p>After comparison, changes appear here in different colors.<\/p><\/div><\/div><div class=\"jin-dd-result__actions\"><button type=\"button\" class=\"jin-dd-button jin-dd-button--primary\" data-download disabled>Save report<\/button><button type=\"button\" class=\"jin-dd-button\" data-finish disabled>Finish and delete<\/button><button type=\"button\" class=\"jin-dd-button\" data-reset>Reset everything and start again<\/button><\/div><\/section>\n\t\t\t<p class=\"screen-reader-text\" aria-live=\"polite\" data-live><\/p>\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\">Current step<\/template>\n<template data-jin-text=\"message-002\">Completed<\/template>\n<template data-jin-text=\"message-003\">Upcoming<\/template>\n<template data-jin-text=\"message-004\">The before and after versions have been swapped.<\/template>\n<template data-jin-text=\"message-005\">Choose two files of the same type.<\/template>\n<template data-jin-text=\"message-006\">Empty files cannot be compared. Choose files with content.<\/template>\n<template data-jin-text=\"message-007\">This file format is currently unavailable.<\/template>\n<template data-jin-text=\"message-008\">Keep the combined size of both files within {v0}.<\/template>\n<template data-jin-text=\"message-009\">Drop here or choose a file<\/template>\n<template data-jin-text=\"message-010\">Enter text in the before or after field.<\/template>\n<template data-jin-text=\"message-011\">Comparing changes\u2026<\/template>\n<template data-jin-text=\"message-012\">Compare changes<\/template>\n<template data-jin-text=\"message-013\">&lt;h3&gt;Before&lt;\/h3&gt;<\/template>\n<template data-jin-text=\"message-014\">&lt;h3&gt;After&lt;\/h3&gt;<\/template>\n<template data-jin-text=\"message-015\">Changes<\/template>\n<template data-jin-text=\"message-016\">&lt;span&gt;&lt;b&gt;{v0}&lt;\/b&gt; differences&lt;\/span&gt;&lt;span class=\"is-added\"&gt;Added {v1}&lt;\/span&gt;&lt;span class=\"is-removed\"&gt;Removed {v2}&lt;\/span&gt;&lt;span class=\"is-changed\"&gt;Changed {v3}&lt;\/span&gt;<\/template>\n<template data-jin-text=\"message-017\">{v0} differences found<\/template>\n<template data-jin-text=\"message-018\">No differences found<\/template>\n<template data-jin-text=\"message-019\">The communication could not be completed.<\/template>\n<template data-jin-text=\"message-020\">Sending file {v0} securely\u2026<\/template>\n<template data-jin-text=\"message-021\">Choose two files with content.<\/template>\n<template data-jin-text=\"message-022\">Preparing file comparison\u2026<\/template>\n<template data-jin-text=\"message-023\">Comparing changes\u2026<\/template>\n<template data-jin-text=\"message-024\">The files could not be compared.<\/template>\n<template data-jin-text=\"message-025\">Processing was cancelled and temporary data was deleted<\/template>\n<template data-jin-text=\"message-026\">Drop here or choose a file<\/template>\n<template data-jin-text=\"message-027\">Everything has been reset. You can start a new comparison.<\/template>\n<template data-jin-text=\"message-028\">&lt;div class=\"jin-dd-placeholder\"&gt;&lt;span aria-hidden=\"true\"&gt;&amp;#8644;&lt;\/span&gt;&lt;p&gt;After comparison, changes appear here in different colors.&lt;\/p&gt;&lt;\/div&gt;<\/template>\n<template data-jin-text=\"message-029\">&lt;span&gt;&lt;b&gt;0&lt;\/b&gt; differences&lt;\/span&gt;&lt;span class=\"is-added\"&gt;Added 0&lt;\/span&gt;&lt;span class=\"is-removed\"&gt;Removed 0&lt;\/span&gt;&lt;span class=\"is-changed\"&gt;Changed 0&lt;\/span&gt;<\/template>\n<template data-jin-text=\"message-030\">No differences displayed yet<\/template>\n<template data-jin-text=\"message-031\">The task has finished.<\/template>\n<template data-jin-text=\"message-032\">Saving has started. Confirm that the file was saved before finishing or resetting the task.<\/template>\n<template data-jin-text=\"message-034\">Difference {v0}.<\/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\">\u73fe\u5728\u306e\u624b\u9806<\/template>\n<template data-jin-text=\"message-002\">\u5b8c\u4e86<\/template>\n<template data-jin-text=\"message-003\">\u3053\u308c\u304b\u3089<\/template>\n<template data-jin-text=\"message-004\">\u5909\u66f4\u524d\u3068\u5909\u66f4\u5f8c\u3092\u5165\u308c\u66ff\u3048\u307e\u3057\u305f\u3002<\/template>\n<template 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0 0;}\n .jj-guide.jj-guide .jj-guide__faq summary {gap:10px;}\n .jj-guide.jj-guide .jj-guide__faq details > div {padding-left:0;}\n}\n@media print {.jj-guide.jj-guide {background:#fff!important;box-shadow:none;} .jj-guide.jj-guide .jj-guide__footer a {display:none;}}\n\n<\/style>\n<article style=\"background:#ffffff;border:1px solid #d7d3df;border-radius:8px;\" class=\"jj-guide\" aria-labelledby=\"guide-diff-title\">\n<header class=\"jj-guide__intro\"><p class=\"jj-guide__eyebrow\">User Guide <span aria-hidden=\"true\">\/<\/span> Text and File Difference Checker<\/p><h2 id=\"guide-diff-title\">Review changes between the original and revised versions.<\/h2><p class=\"jj-guide__lead\">Compare two texts or two files of the same format to identify additions, deletions, and changes. Review changes without altering the originals, and save a comparison report.<\/p><div class=\"jj-guide__tags\" aria-label=\"Key features\"><span>Compare versions side by side<\/span><span>Choose differences to ignore<\/span><span>Save a comparison report<\/span><\/div><\/header>\n<section class=\"jj-guide__section\" aria-labelledby=\"guide-diff-1\"><div class=\"jj-guide__section-title\"><span class=\"jj-guide__index\" aria-hidden=\"true\">01<\/span><h2 id=\"guide-diff-1\">How to Use<\/h2><\/div><ol class=\"jj-guide__steps\"><li><span class=\"jj-guide__step-label\">STEP 01<\/span><h3>Add the original and revised versions<\/h3><p>Choose pasted text or file selection. Both files must use the same format. Use Swap if you need to reverse their order.<\/p><\/li><li><span class=\"jj-guide__step-label\">STEP 02<\/span><h3>Choose comparison settings<\/h3><p>The default settings work for most comparisons. Specify exceptions only when you need to ignore spaces or similar differences. For file comparisons, review the temporary upload and deletion information.<\/p><\/li><li><span class=\"jj-guide__step-label\">STEP 03<\/span><h3>Check the differences<\/h3><p>Select Check differences to review counts and highlighted additions, deletions, and changes. Use Previous difference and Next difference to navigate, and switch between side-by-side and single-column views.<\/p><\/li><li><span class=\"jj-guide__step-label\">STEP 04<\/span><h3>Save the report<\/h3><p>Select Save report to download the result. When you finish a file comparison, select Finish and delete to end the job.<\/p><\/li><\/ol><\/section>\n<section class=\"jj-guide__section\" aria-labelledby=\"guide-diff-2\"><div class=\"jj-guide__section-title\"><span class=\"jj-guide__index\" aria-hidden=\"true\">02<\/span><h2 id=\"guide-diff-2\">Comparison Settings and Supported Files<\/h2><\/div><dl class=\"jj-guide__definitions\"><div><dt>Pasted text<\/dt><dd>Compares the two texts by line and character. This is not an AI tool for comparing semantic similarity.<\/dd><\/div><div><dt>Supported files<\/dt><dd>Supports two files of the same format: Word (.docx), PDFs with selectable text, CSV, or TXT. Specify the encoding of CSV and TXT files when needed.<\/dd><\/div><div><dt>Differences to ignore<\/dt><dd>You can separately ignore line endings, trailing spaces, repeated spaces, blank lines, letter case, and full-width or half-width letters, numbers, and symbols. Ignored differences are omitted from the result, so choose only the options you need.<\/dd><\/div><div><dt>Matching CSV rows<\/dt><dd>Rows can be matched using values in a selected column. Column A is column 1. Select a column containing an identifier or another suitable matching value.<\/dd><\/div><\/dl><figure class=\"jj-guide__example\"><figcaption>Check a changed deadline<\/figcaption><p>Compare \u201cThe deadline is September 10\u201d with \u201cThe deadline is September 15\u201d to locate the date change and check for unintended changes elsewhere.<\/p><\/figure><\/section>\n<section class=\"jj-guide__section\" aria-labelledby=\"guide-diff-3\"><div class=\"jj-guide__section-title\"><span class=\"jj-guide__index\" aria-hidden=\"true\">03<\/span><h2 id=\"guide-diff-3\">Useful For<\/h2><\/div><div class=\"jj-guide__uses\"><section><h3>Reviewing revised drafts<\/h3><p>Check what changed after requesting revisions.<\/p><\/section><section><h3>Comparing document versions<\/h3><p>Compare Word files or text PDFs before and after an update.<\/p><\/section><section><h3>Checking data changes<\/h3><p>Review differences in CSV or TXT rows and values.<\/p><\/section><\/div><\/section>\n<section class=\"jj-guide__section\" aria-labelledby=\"guide-diff-4\"><div class=\"jj-guide__section-title\"><span class=\"jj-guide__index\" aria-hidden=\"true\">04<\/span><h2 id=\"guide-diff-4\">Processing and Data Handling<\/h2><\/div><p>Pasted text is compared entirely in your browser. File comparisons temporarily upload files to this site&#8217;s server. Data is deleted when saving, finishing, cancelling, or when processing fails. Interrupted data also becomes unavailable at the deadline shown on screen. Review the upload and deletion information before starting.<\/p><\/section>\n<section class=\"jj-guide__section\" aria-labelledby=\"guide-diff-5\"><div class=\"jj-guide__section-title\"><span class=\"jj-guide__index\" aria-hidden=\"true\">05<\/span><h2 id=\"guide-diff-5\">Frequently Asked Questions<\/h2><\/div><div class=\"jj-guide__faq\"><details><summary>Can I compare image-only PDFs?<\/summary><div><p>Scanned image-only PDFs and OCR are not supported. Use PDFs containing selectable text.<\/p><\/div><\/details><details><summary>Can I compare Excel files or different formats?<\/summary><div><p>.xlsx files and comparisons between different formats, such as Word and PDF, are not supported. Prepare two files of the same format.<\/p><\/div><\/details><details><summary>Are the source files changed?<\/summary><div><p>No. A separate comparison report is generated: DOCX for Word, PDF for PDF, and PDF reports for CSV or TXT.<\/p><\/div><\/details><details><summary>What if comparison fails?<\/summary><div><p>Check the on-screen instructions, supported formats, and text or file-size limits. Server availability may also affect file comparisons.<\/p><\/div><\/details><\/div><\/section>\n<footer class=\"jj-guide__footer\"><span>Text and File Difference Checker<\/span><a href=\"#jin-document-diff-1\">Back to the Tool <span aria-hidden=\"true\">\u2191<\/span><\/a><\/footer><\/article>\n","protected":false},"excerpt":{"rendered":"<p>Text and Text File Diff ToolA free tool Compare two texts or text files and highlight their differences. User Guide \/ Text and File Difference Checker Review changes between the original and revised versions. 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