Console-based diff tools

9 Best Free Console-Based Diff Tools

File comparison compares the contents of computer files, finding their common contents and their differences. The result of the comparison is often known as a diff.

diff is also the name of a famous console based file comparison utility that outputs the differences between two files. The diff utility was developed in the early 1970s on the Unix operating system.

Typically, diff is used to show the changes between two versions of the same file. Modern implementations also support binary files.

Command-Line InterfaceConsole-based applications are light on system resources (very useful on low specified machines), are often faster and more efficient than their graphical counterparts, they do not stop working when X is restarted, and are perfect for scripting purposes.

When designed well, console-based applications offer a surprisingly improvement in productivity. The applications are leaner, faster, easier to maintain, and remove the need to install a whole raft of libraries.

Here’s our recommended console-based diff tools. There’s a good range available, and they are all free and open source goodness.

Best Free Console-Based Diff Tools

To provide an insight into the quality of software that is available, we have compiled a list of 9 useful console-based diff tools. Graphical diff tools are covered in a separate Group Test.

Now let’s scrutinize the 9 tools at hand. For each utility we have compiled its own portal page, a full description with an in-depth analysis of its features, screenshots, together with links to relevant resources.

Console-Based Diff Tools
diff-so-fancyAttractive diffs with diff-highlight and more
deltaViewer for git and diff output
icdiffAn improved colored diff
diffoscopeIn-depth comparison of files, archives, and directories
colordiffWrapper for diff with pretty syntax highlighting
diffrWord-by-word diff highlighting utility
ydiffTool to view colored, incremental diff in a version controlled workspace
WdiffWordwise implementation of diff
dwdiffdiff program that operates at the word level

Read our complete collection of recommended free and open source software. The collection covers all categories of software.

The software collection forms part of our series of informative articles for Linux enthusiasts. There's tons of in-depth reviews, alternatives to Google, fun things to try, hardware, free programming books and tutorials, and much more.
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