Text Diff Tool
Compare two texts and see line-by-line differences.
Compare two pieces of text and see exactly what changed, line by line, with additions and removals highlighted. Great for reviewing edits, config changes, and code snippets.
Frequently asked questions
What does the diff show?
It marks lines that were added, removed, or unchanged between the two versions, so you can spot every difference at a glance.
Can I compare code?
Yes — it works on any plain text, including code, config files, and prose.
Does it compare word by word?
Comparison is line-based, which is the clearest way to review most edits and changes.
Is it private?
Yes — both texts are compared in your browser with no uploads.