Document Diff

Perform a complete line-by-line diff between two documents showing all additions, removals, and common content.

Example

Input

Line 1
Line 2
Line 3

Output

=== COMMON ===
Line 1
Line 2

+++ ADDED +++
Line 4

How Document Diff Works

Perform a complete line-by-line diff between two documents showing all additions, removals, and common content.

This tool runs entirely in your browser — no data is sent to any server. Paste your text, click Run, and get your result instantly. You can also chain this tool with others using the pipeline feature: run Document Diff, then continue with a related tool to build a multi-step text workflow.

Related Tools

Compare Text Blocks

Find added, removed, and common lines between two texts.

Compare Paragraphs

Compare two documents paragraph by paragraph.

Highlight Text Differences

Show what changed between two text versions.

TextRefinery is a free, open-source text processing toolkit. Learn more about regular expressions and text processing on the web.