Diff & Text Compare
Data & FormattingCompare two code snippets, configurations, or JSON files line-by-line with visual change highlighting.
Compare two code snippets, configurations, or JSON files line-by-line with visual change highlighting.
Compare two text snippets, code files, or API JSON payloads line-by-line. Highlights additions, deletions, and modifications in unified or side-by-side split view directly in your browser.
Paste the original code or payload into the left editor and the updated version into the right editor.
Switch between a Unified single-column view or Side-by-Side split diff display.
Instantly review green insertions, red removals, and unchanged code blocks with line numbers.
Flexible visualization adapting to wide desktop monitors or compact laptop screens.
Processing happens entirely on your machine via JavaScript; sensitive credentials or code never touch our servers.
Quickly test refactoring differences or swap left and right inputs with a single click.