Json Diff Online
JSON Diff is a free online JSON Tools tool that compare two JSON documents deep-equal and list every added, removed and changed path instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server. No download or account is required: the tool loads in under a second and works offline-friendly after the first visit.
How to use
Using JSON Diff takes three steps:
- Paste your data into the input box (or load the example).
- Configure the options to match your target format or scenario.
- Copy, download or inspect the output — it updates live as you type.
- No download or account is required: the tool loads in under a second and works offline-friendly after the first visit.
Examples
{"name":"Ada","roles":["admin"],"version":1,"active":true}Use cases
- Compare two JSON documents deep-equal and list every added, removed and changed path.
- Because everything is computed client-side, JSON Diff is safe to use with sensitive data such as API keys, tokens or private logs.
FAQ
What is JSON Diff?
JSON Diff compare two JSON documents deep-equal and list every added, removed and changed path. It runs entirely in your browser, so your data stays private.
Is JSON Diff free to use?
Yes. JSON Diff is free, unlimited and works without registration or installation.
Does my data get uploaded?
No. All processing happens locally in your browser; nothing is sent to any server.
Runs 100% in your browser — your data never leaves your device.