Diff Checker

Text Compare and Diff Checker

Paste an original version and a changed version to find differences quickly. Compare drafts, lists, notes, emails, code snippets, and copied text without uploading anything.

text compare diff checker compare text online text comparison tool online diff tool
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Differences

Paste two texts to compare them line by line.

How to Use This Text Compare

Compare two text blocks and highlight added, removed, changed, and unchanged lines side by side.

1 Compare two drafts of the same text
2 Find additions and removals in lists
3 Check copied content for small changes
4 Compare notes, emails, and messages
5 Review code snippets or configuration changes
6 Ignore whitespace when formatting changed only

Compare Two Texts Quickly

A text compare tool saves time when you need to spot what changed between two versions. Paste both versions and the diff highlights lines that were added, removed, changed, or left untouched.

Side-by-Side or Unified Review

Use side-by-side comparison when you want to scan both versions at once. Use the unified view when you want a compact change list that is easier to copy or review top to bottom.

Private Browser-Based Diffing

The comparison runs in your browser. That makes it practical for drafts, internal notes, lists, and other text you do not want to paste into a server-based tool.

Text Compare FAQs

What is a text compare tool? +
A text compare tool checks two text blocks and shows what was added, removed, changed, or left the same.
Can I compare lists line by line? +
Yes. Put one item per line in each box and the tool will highlight list items that were added or removed.
Can I ignore whitespace? +
Yes. The ignore whitespace option compares trimmed lines so spacing-only differences do not dominate the result.
Does this work for code? +
Yes for simple code snippets and config files. It is a general text diff, so it highlights line changes but does not parse programming languages.
Is the text comparison private? +
Yes. The compare logic runs in your browser and does not upload either text block.