

DiffNow lets you compare text files, documents, binary files, and archives up to 1024KB in size. You can either upload the files you wish to compare their content.

A file integrity verification tool: Use it to make sure files copied to CD-ROM are bit-perfect copies, Use it to make sure backups copied from one drive to another are just right, Use it to make sure files haven’t been changed or damaged over time. Multi-threaded, so your extra C.
Cost / License
- Free
- Proprietary
Alerts
- Discontinued
Platforms
- Windows

Ediff is a comprehensive visual interface to Unix diff and patch utilities.
Ediff provides a convenient way for simultaneous browsing through the differences between a pair (or a triple) of files or buffers (which are called ‘variants’ for our purposes). The files being compare.
DiffPlug is a free text editor/differ and image viewer/differ. Purchasing a license allows you to diff other kinds of files such as Simulink.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux

WinDiff is a graphical file-comparison program published by Microsoft (from 1992[1]), and is distributed with certain versions of Microsoft Visual Studio as well as in source-code form with the Platform SDK code samples.

Compare text files or entire directory hierarchies, export and apply patches, and perform non-destructive find and replace operations on text files.


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"TableTextCompare" (TTC) is a small utility that provides easy comparison of two-tab-delimited or comma-delimited (csv) files, to determine the difference between the two files.

DiffFork is a diff tool for Mac OS X. DiffFork can compare both folders and files, presenting differences in a visual format.
Cost / License
- Paid
- Proprietary
Application types
Alerts
- Discontinued
Platforms
- Mac

Compare Files Using ' Diff Doc' a visual file compare and folder compare utility that creates a detailed file diff. File comparison can optionally be done with the command line. Compare Word and Compare XLS files in addition to PDF, txt, rtf...
ECMerge is a comparison and synchronization tool with two and three-way merge for text and folders and difference on binary, text, images and folders, locally, via FTP/S, SFTP or in version controls. For Windows, Mac OS X, Solaris and Linux.
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux


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Workshare Compare is the leading document comparison software that lets you perform file comparison of two documents against multiple modified versions.
xxdiff is a QT based graphical file and directories comparator and merge tool. It provides comparing two files, three files.

BinDiff is a graphical Windows program to test if two files are binary equal.
The motivation was the nice diff tool available on every unix system.



Instantly find the differences between two blocks of text. Works with plain text, code, json, yaml, html, css, markdown, and more.


This is a tool developed by a small team in the Netherlands. It's a standalone application that generates a simple, concise, easy to understand overview of the differences between 2 Excel sheets. It can also handle even the most complex Excel files.
Cost / License
- Paid
- Proprietary
Platforms
- Windows


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A file and folder comparison tool, targeted at developers, with powerful merging capabilities. Easily integrate with git or other version control system and diff and merge files with the 3-ways merge and powerful alignment...


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Aspose.Total Comparison is a free file comparison web app that allows users to compare different kinds of documents online. It supports PDF, DOCX, XLSX, PPTX, VSDX, HTML, EPUB, RTF, XPS, ODT, ODP & more from any devices supporting a modern browser.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Self-Hosted
- Software as a Service (SaaS)


A fast desktop CSV comparison tool built for very large files. Compare millions of rows locally in seconds, without Excel, scripts, or cloud uploads.
Cost / License
- Paid
- Proprietary
Platforms
- Mac
- Windows












































