OK Tools

Free browser tool

Free JSON Diff Tool

Two-pane comparison with semantic path highlighting for added, removed, and changed keys.

JSON A (before)
JSON B (after)

100% client-side. Your data never leaves this device.

About this json diff

JSON Diff helps you transform or inspect data right in your browser — no signup and no uploads.

Every conversion and check stays on your device, which is ideal for sensitive or one-off snippets.

When you need logged-in agent browsing and multi-step workflows, open okayok.ai.

Why use this tool

Private by design

Nothing is sent to our servers — processing stays local.

Semantic paths

Diff by key path — added, removed, and changed values are listed clearly.

Two panes

Paste before/after JSON side by side and compare in one click.

Related utilities

Jump to JSON formatter, YAML/XML/CSV converters, and Diff.

How to use

  1. 1

    Prepare input

    Paste text or upload a file from your device.

  2. 2

    Run the action

    Click convert/validate and tweak options like delimiter if needed.

  3. 3

    Copy or download

    Grab the result from the clipboard or save a file.

FAQ

More utility tools

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JSON Validator

Validate JSON and highlight error line/column.

JSON Tree View

Explore JSON as a collapsible, syntax-highlighted tree.

JSON to YAML

Convert JSON documents to readable YAML.

More from Okay OK

Okay OK is the official home of the OK product family — OK Tools, OK Video, OK Images, and more.

Visit okayok.ai