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Code Diff Checker

New

Compare two texts or code files — side by side diff

■Original
■Modified
+6 added−2 removed5 unchanged
1
const greeting = "hello";
2
−
const name = "world";
2
+
const name = "Lazyblink";
3
−
console.log(greeting + " " + name);
3
+
console.log(`${greeting} ${name}`);
4
5
function add(a, b) {
6
return a + b;
7
}
8
+
9
+
function subtract(a, b) {
10
+
return a - b;
11
+
}
Browser-based, files never uploaded Instant results Works on any device

How to use Code Diff Checker

  1. 1Paste original text on the left
  2. 2Paste modified text on the right
  3. 3See differences highlighted
  4. 4Green = added, Red = removed

About this tool

Compare two text or code files side by side. Highlights additions, deletions, and changes line by line. Supports all programming languages.

diff checkercode difftext comparecompare two filescode comparison tool

Frequently asked questions

Does it support code?

Yes — works with any programming language including JSON, HTML, CSS, JS, Python.