Compare Two Documents Side by Side

Upload two documents and get a detailed comparison of differences.

Create a free account to try it

Works with PDF, DOCX, and text files in any combination

Highlights additions, deletions, and modifications between versions

AI-powered semantic comparison understands meaning, not just text changes

Structured diff output with categories: content, formatting, structure

API access for automated contract or policy comparison workflows

Frequently Asked Questions

How does document comparison work?

ParseKit extracts text from both documents, then uses AI to perform a semantic comparison. It identifies differences in content, structure, and meaning — going beyond simple text diff.

Can I compare different file formats?

Yes. You can compare a PDF against a DOCX, a TXT against a PDF, or any other combination of supported formats.

What kind of changes are detected?

ParseKit detects additions, deletions, modifications, reordering, and formatting changes. Each change is categorized and includes the relevant text from both documents.

Is this useful for contract review?

Absolutely. Many legal teams use ParseKit to compare contract versions, identify changed clauses, and flag new or removed terms.