Text Diff Checker

Text Tools

Side-by-side diff with highlights

FreePrivateInstant
Add a file · .txt .md .csv .json … · up to 2.00 MB
Add a file · .txt .md .csv .json … · up to 2.00 MB

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History

All history →

Text Diff Checker — at a glance

Paste two versions of a text and instantly see what was added, removed or changed.

Original vs New
Hello world
Good morning
Compare
Differences
− Hello world
+ Hello India
Good morning

How to use it — step by step

Perfect for comparing document versions, code snippets, contracts and edited articles.

1

Paste original

Put the old/original text in the left box.

2

Paste changed

Put the new/edited text in the right box.

3

Compare

Press compare to see differences highlighted.

4

Read changes

Green lines are added, red lines are removed. A summary shows total changes.

Pro tips

Small things that make the result better.

✦Even a single extra space shows up as a difference — that is useful for finding hidden mistakes.
✦Compare line by line for code, paragraph by paragraph for essays.
✦Put the older version on the left so additions are green and removals red.

Quick facts

Greenlines that were added
Redlines that were removed
Line no.shown for every change
Privatetext never leaves your device

Frequently Asked Questions

What do the colors mean?+

Green means new text that was added. Red means text that was removed from the original.

Does it compare files?+

Paste the contents of your files into the two boxes. You can copy text out of almost any document.

Why does it show a change when the text looks identical?+

There may be an extra space, tab or invisible line ending difference.

Is my data safe?+

Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.

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