How the Text Diff Checker Helps You
Every day, writers, developers, lawyers, students and QA teams need to know exactly what changed between two versions of a document or code file. Manually scanning pages of text is slow, error-prone and frustrating.
The Text Diff Checker solves this in three steps:
- Paste the original text in the left box and the new text in the right box.
- Click Compare Texts (or simply keep typing—everything updates live).
- Instantly see every addition in green and every deletion in red, down to a single character or line.
Real-world uses
- Developers: review pull-requests, audit configuration files, or compare JSON outputs.
- Writers & editors: ensure no accidental words were dropped during copy-editing.
- Lawyers & paralegals: spot the smallest clause changes between contract versions.
- Students: verify essay revisions before submission.
Features that save time
- Instant: zero server round-trip; everything happens inside your browser—works offline.
- Responsive: perfect on phones, tablets, desktops and 4k monitors.
- Smart options: ignore spaces, toggle case-insensitive comparison, swap texts with one click, clear all in a tap.
- Privacy first: your texts never leave your device.
Stop guessing what changed—know what changed.