Text Diff Checker
Compare two texts and instantly highlight the differences. Everything runs locally in your browser.
Options
Paste both texts and compare to see the diff.
How to use this tool
What this tool does and how it can help.
A text diff compares two versions of text and shows what changed. In practice, diff tools make it easy to spot additions, removals, and unchanged context without manually reading everything again.
Comparing texts is useful for debugging, auditing edits, and reviewing output from scripts, APIs, and configuration tools. This checker works entirely in your browser.
- compare JSON payloads
- compare config files
- detect text changes
- inspect API responses
FAQ
- What is a text diff?
- A text diff highlights the differences between two text blocks by marking what was added, removed, or kept.
- Does this tool store my text?
- No. Everything runs locally in your browser. Nothing is sent to a server.
- Can I compare large texts?
- Yes, as long as your browser can handle it.
- What does "Ignore whitespace" do?
- It removes formatting differences like spaces and line breaks before comparing.