Diff Checker

Compare two versions of anything — code, contracts, configuration — and see additions, deletions and edits highlighted down to the word. View them side by side or as a unified patch, and ignore case or whitespace when they don't matter.

Original0 lines

Changed0 lines

Ignore case

Ignore whitespace

Trim lines

Differences

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Paste text into both panes — the comparison runs as you type and never leaves your browser.

How to use Diff Checker

Paste the original on the left and the changed version on the right.
Edited lines are paired up and highlighted word by word.
Switch between the side-by-side and unified views.
Turn on the ignore options when case or whitespace isn't meaningful.

All text tools

Word Counter

Counts, reading time and readability, live as you type.

Case Converter

Fourteen cases at once — camel, snake, kebab, title and more.

Sort Lists

Sort, dedupe and clean up any list of lines.

Translator

Translate text into more than 100 languages.

Differences

How to use Diff Checker

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Differences

How to use Diff Checker

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