Text diff: what it is and how to use it
Text diff: Compare two texts. Fast and free in your browser.
June 22, 2026 · 2 min read
Text diff: what it is and how to use it
What is Text diff?
Text diff highlights changes between two versions for legal, translation, or review work. CodeGrid Tools compares locally; large texts may slow the browser. Pair with JSON diff for structured data. This guide explains when Text diff helps and how to run it step by step in CodeGrid Tools.
When is it useful?
- Compare two texts
- Runs in your browser—no extra software required
How to use it in CodeGrid Tools
Step 1: Enter Two Texts
Paste the old and new versions.
Step 2: Compare
Highlight the differences.
Step 3: Review
Read the changes line by line.
Tips
- Use an up-to-date browser (Chrome, Edge, Firefox, or Safari).
- Large files may take longer depending on your device.
FAQ
How are line-by-line differences shown?
Added, deleted, and changed lines are highlighted; on large texts, keep scrolling performance in mind.
Do spaces and line breaks matter?
Yes. Invisible characters may appear as differences, so it can help to clean the text first.
Is it safe from a privacy perspective?
Comparison happens in the browser; content is not transmitted to the server.
Use Text diff →