Omnipus

Text diff checker

Runs on your deviceFreeNo account

How to use Diff checker

Paste original text on the left and changed text on the right. The diff highlights deletions and additions. Use it for contract redlines, config drift, or writing edits. Copy the patch if you need a unified diff.

1

Open the tool

Use the workspace below — no signup is required.

2

Enter your input

Paste original text on the left and changed text on the right. The diff highlights deletions and additions. Use it for contract redlines, config drift, or writing edits. Copy the patch if you need a unified diff.

3

Copy the result

Copy text or download a file when the tool offers an export. Local tools keep processing in this tab.

Direct share: Install Omnipus as an app on Android to share files and links into this tool from other apps.

About this tool

A side-by-side (and inline) diff for copy, code, and config files. Built on the classic Myers diff. Nothing is sent to a server.

#diff checker#compare text#text difference

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Frequently Asked Questions

Word vs line diff?

The default is line-based, with word-level highlighting inside changed lines.

File upload?

Yes — load two text files if you would rather not paste.

Binary files?

Not supported. Use a hash comparison for binaries.

Is Diff checker completely free to use?

Yes. Diff checker on Omnipus is free to use with no subscription paywall for the tool itself.

Are my files or data uploaded to any servers?

No. Diff checker processes your input locally in this browser tab. Your files and text are not sent to Omnipus. Some tools download an engine or model file the first time you use them; that is a download, not an upload.

Can I use Diff checker on my mobile phone?

Yes. Omnipus has touch-friendly controls and can be installed as an app. On Android you can also share files or links into tools from other apps.

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