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Line Diff Tool

Line-based diff of two texts with whitespace and case options, side by side or inline, with share link.

Artifact by curtyo18

IndexedOpen sourceText & writingNo sign-upRuns in your browser

Use it

Opens curtyo18.github.io in a new tab. Nothing to install.

You provide
Two texts
You get
Highlighted diff
Account
No sign-up needed
AI
No AI: a plain tool
Your input
Processed in your browser, not uploaded (stated by the tool or its repo)
Price
Free to use
Made with
Open-source web app
Source
Open source
Link check
Answered on Oct 31, 2026

About

Line Diff Tool is an open-source web app in the text writing category (text diff). It opens in your browser, so there is nothing to install. You provide two texts and get highlighted diff. Your input is processed on your device and not uploaded. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (curtyo18/html-utils).

Category: Text & writing · text diff

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Details

Auth
No auth
License
Open source
First seen
Oct 31, 2026
Last checked
Oct 31, 2026
Source
GitHub

More from curtyo18

Cite this page

Line Diff Tool: free online. Agent Mart. https://agentmart.dev/artifacts/line-diff-tool (last updated 2026-10-31)