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Visual Code & Text Diff Inspector

Compare text files and code snippets side-by-side or unified with character-level difference tracking, syntax coloring, whitespace controls, and one-click copy.

Visual Code & Text Diff Inspector

Find character, word, and line differences between two versions of text or source code files with side-by-side and unified visual representations.

+11 Lines Added (+)-7 Lines Deleted (-)6 Unchanged Lines
13 lines
17 lines

Differences Detected

Original
1-// Database Connection Config v1.2
2 const dbConfig = {
3- host: "localhost",
4 port: 5432,
5- user: "postgres",
6- password: "old_secret_password",
7 database: "app_production",
8- ssl: false,
9- maxConnections: 10,
10- idleTimeoutMillis: 30000,
11 };
12
13 module.exports = dbConfig;
Modified
1+// Database Connection Config v2.0 (High Availability)
2 const dbConfig = {
3+ host: "db-cluster.internal.webiodd.com",
4 port: 5432,
5+ user: "cluster_admin",
6+ password: "ultra_secure_crypted_pass",
7 database: "app_production",
8+ ssl: {
9+ rejectUnauthorized: true,
10+ ca: "/etc/ssl/certs/db-ca.crt"
11+ },
12+ maxConnections: 50,
13+ idleTimeoutMillis: 10000,
14+ connectionTimeoutMillis: 5000,
15 };
16
17 module.exports = dbConfig;
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How to Compare Text & Code with Diff Checker

  1. 1

    Paste your original baseline text into the left pane and the updated text into the right pane.

  2. 2

    Toggle between 'Side-by-Side' and 'Unified' view modes to match your code review workflow.

  3. 3

    Enable 'Ignore Whitespace' if you only wish to identify semantic code changes rather than indentation edits.

  4. 4

    Inspect character-level highlighting to pinpoint exact modifications, additions, and deletions.

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Text & Code Diffing FAQ

What diff algorithm is used?

The inspector uses the Myers Longest Common Subsequence (LCS) algorithm, providing accurate line and character-level difference matrices identical to Git diffs.

Can I compare code snippets in different programming languages?

Yes. The diff engine supports arbitrary plain text, JSON, HTML, CSS, JavaScript, Python, C++, and markdown with line-synchronized scrolling.

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