Text Diff CheckerText Diff Checker

Our Text Diff Checker is a powerful, free online tool designed to help writers, programmers, and content creators compare two text files or snippets and identify the exact differences between them. Whether you're comparing code versions, checking document revisions, or analyzing configuration changes, our tool makes it easy to spot what's been added, removed, or modified.

Key Features

• Line-by-Line Comparison - Our diff algorithm analyzes text line by line to precisely identify changes, making it perfect for code, structured text, and plain content.
• Color-Coded Differences - Clear color-coding shows additions (green), deletions (red), and unchanged content for effortless visual analysis.
• Side-by-Side View - Compare your original and modified text in a convenient dual-panel interface for easy tracking.
• Multiple File Format Support - Works with plain text, code files (.js, .ts, .html, .css), markdown documents, and more.
• Easy Import & Export - Upload text files or export your results for documentation and sharing.
• Instant Processing - Get immediate results without waiting for server processing or file uploads.

When to Use Our Text Diff Checker

• Comparing different versions of source code files
• Reviewing changes to configuration files
• Editing and proofreading document revisions
• Analyzing log file differences
• Checking changes in CSV or structured data
• Verifying content updates for websites or documentation

Our text diff tool processes all comparison operations directly in your browser - no content is ever sent to our servers. This ensures complete privacy and security for your sensitive information, code, and documents.