DiffFind — Intelligent Comparison Platform Open DiffFind
LESS SEARCHING. MORE UNDERSTANDING.

Find what changed.
Understand what matters.

From a single word to a complex document, see every difference
clearly. Add AI insight to understand the meaning behind the changes.

Try a quick text compare

Your text goes to the DiffFind app only when you click Find difference. Nothing is stored on this page.

Precise comparison at the core. AI when you need it.

A little change. A big difference.
DiffFind app showing an AI summary above an inline diff of a tracking-URL JSON configuration, with removed, added, and moved changes highlighted. DiffFind app showing a Before/After spreadsheet comparison of an XLS/XLSX product catalog, with changed prices and stock status highlighted. DiffFind app showing a redlined comparison of a PDF lease agreement, with changed rent, fees, and lease dates highlighted. DiffFind Semantic Search for “how much is the rent” highlighting monthly rent in two lease PDFs, with results of $1,850 before and $1,950 after.
Every difference starts with source evidenceReal comparison, real output
ONE TOOL. MANY FORMATS.
Text · JSON · YAML · XML · CSV · PDF · XLS/XLSX

SEE IT IN MOTION

Watch DiffFind
in action.

A quick tour of comparing, exploring, and understanding changes.

CLARITY IN EVERY COMPARISON

More than a wall of
red and green.

Catch the details. See the context.
Move forward with a clearer picture.

Every difference, accounted for.

Compare by character, word, sentence, line, or paragraph. Track additions, removals, and moved text without losing the context.

Precision first

Understand the impact.

Optional AI analysis explains what a change means. Cited facts are checked against your source documents, with verification status shown.

Insight with evidence

Go beneath the surface.

Compare the structure of JSON, YAML, XML, and CSV. Load local PDFs to see changes highlighted on the page, or Excel spreadsheets (XLS/XLSX) to compare every sheet at once.

Built for real documents

Explore: Text Compare Semantic Diff PDF Comparison Excel Comparison JSON Compare YAML Compare XML Compare CSV Compare URL Compare cURL Compare

FOR EVERY KIND OF USER

Not just for
power users.

You don't need to be technical to see what changed.
DiffFind is built for however you work.

Business users.

Compare contracts, invoices, budgets, and policy documents side by side, and see exactly which terms or figures changed before you sign off.

No training required

Everyday users.

Check what changed between two drafts of a resume, email, or article without digging through manual redlines.

Just paste and compare

Power users & developers.

Fine-tune every comparison option by hand, or automate it entirely with cURL commands, a REST API, and agent-ready functions.

API included

FROM DIFFERENCE TO UNDERSTANDING

Your next comparison,
made simple.

01

Bring your before and after.

Paste text, choose a file, or load content from a URL or cURL command.

02

See exactly what changed.

Choose your format and comparison options. Explore the differences side by side.

03

Make sense of the changes.

Add optional semantic analysis to explore meaning, severity, and verified details.

FOR THE WAY YOU BUILD

The same engine.
Your workflow.

Bring precise comparison to your own tools with a REST API and agent-ready functions. Compare documents, find material changes, and detect breaking changes. Feed it a file, a URL, or a cURL command — no manual copy-pasting required.

Explore the OpenAPI specification
A simple request. A clearer picture.REST API
// POST /v1/compare
{
  "before": "Payment is due in 30 days.",
  "after": "Payment is due in 15 days."
}
Deterministic comparison + optional semantic analysis

THE DIFFERENCE IS IN THE DETAILS

See what you’ve been missing.

Your documents have a story. Find what changed.

Open DiffFind