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Diffchecker
diffchecker.com
Compare text and find differences online or offline - Diffchecker
Compare text, files, and code (e.g. json, xml) to find differences with Diffchecker online for free! Use our desktop app for private, offline diffs.
Desktop
Compare text, files, PDFs, Word documents, Excel, images, and folders fully offline with redlining using Diffchecker Desktop on Windows, Mac, and Linux.
Images
Compare images (jpg, png, webp, gif, heic, etc.) to find differences with Diffchecker online for free! Use our desktop app for offline, private diffs.
Download Diffchecker Desktop
Download Diffchecker Desktop on Windows, Mac, or Linux. Compare text, PDFs, and Word documents with redlining fully offline.
Documents
Redlining for PDFs and Word documents. Compare files (doc, docx, pdf, pptx, etc.) to find differences online. Use our desktop app for private, offline diffs.
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TextCompare
textcompare.org
Online Text Compare Tool
Find difference between 2 text files. Just input or paste original and modified text and click Compare button. Fast, Private & Unlimited.
Discussions

Any good Difference Checker , online or offline?
This is built into VSCode if you already use it. In the list of open files you can right click on one and Select for Compare, then right click on the other and Compare with Selected. It then opens a diff comparison of both files with the arrows in the top right to jump between diff sections. More on reddit.com
🌐 r/webdev
64
10
March 20, 2023
Visual Studio Code - is there a Compare feature like that plugin for Notepad ++? - Stack Overflow
Is there a Compare feature like the Plugin for Notepad++? More on stackoverflow.com
🌐 stackoverflow.com
Favorite source code comparison tool / diff tool?

Beyond Compare

More on reddit.com
🌐 r/csharp
42
13
November 19, 2020
Built a service to compare text online in better way
Bookmarked ! There is just a little issue with the favicon, on light mode, it's barly visible More on reddit.com
🌐 r/webdev
2
11
January 21, 2022
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Text Compare
text-compare.com
Text Compare! - Find differences between two text files
Text Compare! is an online diff tool that can find the difference between two text documents. Just paste and compare.
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Text Platform
platform.text.com β€Ί tools β€Ί diff-checker
Text Platform | Chat framework for innovative teams
Compare texts easily with our free diff checker online, designed to simplify text and code editing.
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W3docs
w3docs.com β€Ί tools
Code Diff - Compare Two Text Files Online | W3docs
Efficiently compare two text files online with our Code Diff tool. Ideal for developers and editors to spot differences and make revisions.
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TripleTen
tripleten.com β€Ί tools β€Ί diff-checker
Free Diff Checker - Compare Text and Code Files Online
2 weeks ago - Compare text and code files instantly with our free online diff checker. Spot every change with color-coded highlights. No signup required.
Find elsewhere
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Code Beautify
codebeautify.org β€Ί file-diff
File Difference
File Difference tool will help you to compare text files, XML, JSON, Code, String, binary files. Upload files, Copy and Paste String/Text, Load Urls and Compare
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Webtrends Optimize
webtrends-optimize.com β€Ί resources β€Ί compare-scripts
Compare Scripts | Free Online Tool | Webtrends Optimize
July 2, 2020 - This useful free tool will compare two sets of code and highlight the differences at both the character and line level. Really handy for comparing any code changes whatsoever but also particularly helpful when debugging your code in our Advanced Editor for AB test development.
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CodeSamplez
codesamplez.com β€Ί home β€Ί free online developer tools β€Ί diff checker
Free Diff Checker β€” Compare Text & Code Instantly - CodeSamplez.com
January 19, 2025 - Free online diff checker to quickly compare code or text differences. Perfect for developers, writers, and editors seeking instant results.
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@url-decode.com
url-decode.com β€Ί tool β€Ί code-compare
Code Compare - Online Diff checker
Compare code versions in real-time with our free online diff checker. Highlight changes, spot bugs, and track updates easily.
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Site24x7
site24x7.com β€Ί tools β€Ί diff-checker.html
Diff Checker | Site24x7 Tools
Diff Checker is a data comparison tool that computes and shows the differences between the contents of files.
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Copyleaks
app.copyleaks.com β€Ί text-compare
Online Text Compare Diff Tool | Compare 2+ Documents | Copyleaks
The AI technology helps in finding rephrased sentences between two texts during compare checks. ... You can check for copying between texts and gauge the difference between two drafts of the same content. ... Our advanced code plagiarism detection tool is adept at finding codes that have been copied from online sources for assignments.
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Scooter Software
scootersoftware.com
Scooter Software - Home of Beyond Compare
Text files can be viewed and edited with syntax highlighting and comparison rules tweaked specifically for documents, source code, and HTML.
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Text Compare
textcompare.io
Text Compare to Compare Text, Files and URLs
Text Compare helps review the difference between the code, allowing developers to find and fix the difference between the code without installing any software.
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CodeShack
codeshack.io β€Ί home β€Ί tools β€Ί diff checker
Online Text Compare Tool - Compare and Find Differences in Text
This tool is perfect for comparing source code from languages like JavaScript, Python, PHP, C++, and many others. It treats code just like any other text and will show you exactly which lines have been modified. No, you don't need to install anything. This is a fully online tool that works in any modern web browser like Chrome, Firefox, or Safari.
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BetterBugs
betterbugs.io β€Ί development-tools β€Ί code-compare-tool
Code Compare Online Tool - Developer Utility Tools
December 23, 2025 - The code compare online tool is a simple dev utility tool that enables you to instantly compare two code files or snippets.
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Word to HTML
wordtohtml.net β€Ί diff-checker
Free Online Diff Checker - Compare & Merge HTML Code or Text
Free online diff checker for text, HTML, and code. Compare files side by side, highlight differences, merge changes, and copy results to the clipboard.