Compare two texts with line, word, or character diffs — ignore case or spaces.
Compare two texts with line, word, or character diffs — ignore case or spaces.
Workspace
Private · Browser-based · No account · No upload
Text Diff is a free online Text Tools tool on AllToolHub. Compare two texts with line, word, or character diffs — ignore case or spaces.
Unlike installable desktop suites, Text Diff loads in a tab so you can finish a task without creating an account or learning a heavyweight app.
This tool is a good fit when you need help with diff, compare, difference, patch.
Paste original text on the left and changed text on the right.
Choose lines, words, or characters; optionally ignore case or normalize spaces.
Click Compare to highlight additions and removals.
Copy a unified diff or download it as a file.
Yes. Text Diff on AllToolHub is free, requires no account, and is built to run in your browser without a paid plan or watermarks from us.
Processing is designed to happen locally in your browser whenever possible. text never needs to leave the browser for standard counting and transformation tools. Standard web hosting may still log technical page requests, not your file contents.
After the first visit, the Progressive Web App cache can keep many pages available offline. Tool scripts must be cached first; heavy libraries load when you open the tool.
Double-check regex replacements on a copy when editing large documents. Related tools appear in the sidebar if you need a neighboring workflow.
Modern Chrome, Edge, Firefox, Safari, and mobile equivalents. Some advanced file or crypto features need a recent browser version.
It collapses runs of spaces/tabs on each line and trims trailing whitespace before comparing, so pure spacing noise is ignored.
Compare two texts with line, word, or character diffs — ignore case or spaces. It runs in your browser on AllToolHub with no account required.
Very large inputs may be limited by your device memory and browser. For huge files, try a desktop machine or split the work into smaller batches.