gdt.diff
Text Diff
Compare two blocks of text side by side with additions and deletions highlighted.
No account needed — runs in your browser
open Text Diff
What it does
- Paste the original and the modified text and press compare.
- Changes are shown side by side with added and removed lines highlighted, and unchanged lines folded away.
- Swap the two sides or clear and start again.
Who it's for
Anyone checking what changed between two drafts, configs, contracts or code snippets.
Your data
Everything happens in your browser. Nothing you type or upload is sent to the server, and nothing is stored unless the tool says it saves to your browser.