Online C Compare Tool

Find difference between 2 text files. Just input or paste original and modified text and click Compare button. Fast, Private & Unlimited.

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Choose Modified File

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How to compare C files/code side by side & View Diff

Copy the original C in the block on the left
Copy the modified C in the right block.
Just click Compare button to view side by side comparison.
View the differences highlighted in colors.

Online C Diff Checker Tool Features

Privacy: This tool does all the processing on your browser, so nothing is saved on our server unless you choose to save.
Hightlight: This tool highlights the differences between the two C files. It uses red color to highlight the deleted string and green color to highlight the added string. Also calculates the number of lines added and deleted.
Beautify: This tool can also beautify or format your C code. Right click on the pane you want to beautify/prettify & select Format Document or click Format button. This is very helpful when you are comparing code from websites that often minify C files.
PDF Export: You can save the diff view as PDF file for sharing with others privately.
Public Share: You can share the diff view publicly with others by saving online and sharing the URL.
Syntax: This C diffing tool can show syntax highlighting for your comfort.
Search: You can easily find all the occurances of particular string if you want to change them.
Navigation: You can navigate through the differences using the arrows on the bottom right corner of the diff view.
Ignore Options: You can use options like trim whitespace, render side by side, word wrap for better comparison.
Secure: All the data is encrypted and sent over 128-bit SSL/TLS secure connection for online saved data.
No Installation: This is a web based tool, no software installtion required. It works on any modern browser like Firefox, Chrome, Edge etc on Windows, Mac or Linux based computer.
Unlimited: There is no limit on number of comparisons you can do. You can compare as many C files as you want.

Is C comparison processed & stored on remote server?

No, all the processing is done on your 🖥 browser, so nothing is saved on our server unless you choose to save to share online.

For private sharing, you can download the diff as PDF file.