comparison
Compare documents with pixel-level precision and AI-driven clarity
Catch every tiny edit — and see why it matters in an instant. Nutrient’s deterministic diff pinpoints character-perfect changes, while our AI layer distills them into plain summaries and smart tags, keeping development, legal, QA, and content teams in flow without split-screen squinting.
Relied upon by industry leaders
Use cases
What do you want to do with documents?
AI-smart document review
Let AI surface the meaning behind every edit — instant summaries, change categories, and one-click filters — so your team moves from scroll to decision in seconds.
Legal redlining without the red tape
Quickly spot additions and deletions in contracts, NDAs, and agreements, so reviewers can focus on what’s changed — not what’s buried.
Streamline editorial reviews
Compare versions of articles, manuscripts, or documentation to highlight revisions and maintain version integrity across teams.
QA and compliance audits
Ensure regulatory documents, SOPs, and certifications haven’t been unintentionally altered by flagging even the smallest deviations between versions.
Construction drawing reviews
Compare architectural plans, engineering diagrams, and annotated blueprints to catch layout and design changes between versions — no detail missed.
Content version control
Track even the tiniest edits in research papers, marketing content, or technical documentation — where one word can change everything.
Components and Features
How we help
Text comparison
Fast and accurate text comparison
Quickly compare blocks of text, paragraphs, or individual strings between versions. Ideal for identifying content updates in documentation, source files, and localized strings.
AI-powered change intelligence
Get instant, plain-language summaries of what changed — auto-tagged into categories such as content addition, rewording, and formatting — and filter views down to what matters most.
Change summary sidebar
Quickly understand what changed with a built-in sidebar that lists all detected differences — letting users jump directly to specific edits or scan the scope of changes at a glance.
Programmatic text comparison
Skip the viewer and run comparisons headless. Call the SDK from code to diff any two documents in background jobs, audits, or content pipelines. Then flip a single flag to attach AI-generated summaries and category tags to every result.
Document Comparison
Pixel-perfect document diffing
Spot and compare the strokes of vector-based documents with high visual fidelity.
Flexible alignment options
Start with automatic alignment, or take full control by manually adjusting alignment points to ensure accurate comparison.
Visual overlay and side-by-side modes
Switch between a synchronized split view and a translucent overlay to spot layout or formatting shifts exactly where they happen.
Exportable redline PDF
Save the comparison as a standalone, share-ready PDF that preserves every highlight and annotation — perfect for audits, sign-off packets, or email handoffs.
Deploy anywhere, integrate with everything
Run comparisons in the cloud or self-host on your infrastructure. Seamlessly combine with Nutrient’s Viewing, Editing, and OCR components for end-to-end document workflows.
Related components
Frequently asked questions
Can I compare documents with different formats, like Word and PDF?
Yes! Nutrient automatically normalizes and aligns content between formats, so you get accurate diff results regardless of input types.
Does text comparison work in real time?
Absolutely. You can run text diffs on the fly using our SDKs or APIs — great for autosave editors or live review interfaces.
How is AI Text Comparison different from the classic diff?
The classic engine still captures every single insert, delete, and replace at character level. The AI layer sits on top, reading those results to generate a plain-language summary and tag each change (for example, rewording or content addition). Nothing is rewritten or skipped; the AI only interprets what the deterministic diff already found.
Is the AI analysis optional, and where is my data processed?
Yes. Developers enable AI with one configuration flag and can disable it just as easily. AI Assistant can run entirely on-premises or in your private cloud, so documents never leave your environment unless you choose our hosted service.
What’s the difference between Document Comparison and Text Comparison?
Document Comparison looks at structural and visual differences in full files (like contracts or reports), while Text Comparison focuses on raw string differences, which is ideal for inline content or simple text reviews.
Is comparison available in the cloud, or can I self-host?
Both. You can use our cloud-hosted APIs or deploy the SDK on-premises for full control.
Can I integrate comparison with other Nutrient components?
Definitely. Comparison pairs well with Viewing, Editing, and OCR to build robust document review flows.