Compare two texts and find differences instantly. Line-by-line, word-by-word, or character-level comparison with beautiful side-by-side and inline views. 100% browser-based.
Compare texts line by line with precise diff tracking.
See exactly which words changed within each line.
Pinpoint every single character difference.
Visual side-by-side comparison with color coding.
Green for added, red for removed, yellow for changed.
Everything runs locally. No data leaves your browser.
Upload .txt, .js, .json, .html, .css, .py files.
Download diff as text report or HTML document.
Ignore case, whitespace, trim lines, context control.