JSON Compare
Compare two JSON documents and list structural differences.
- On your device
- No signup
Private on your device
Your information stays on your device and is not uploaded.
Compare two JSON documents and list structural differences.
Compare two pieces of text and highlight changes.
Compare two XML documents and list structural differences.
Format, minify, and validate JSON with optional key sorting.
Format or minify HTML markup on your device.
Format, minify, and validate XML with readable indentation.
Encode and decode text with Base64.
Decode JWT header, payload, and expiry—including Bearer tokens—on your device.
Paste original and changed text to see added, removed, and unchanged lines in a side-by-side diff. Diffing runs locally with no uploads.
Open the Code Diff form on this page, enter the values or file required for your task, and run the tool. Review the results panel and adjust inputs as needed. Your data stays on your device and is not uploaded.
Paste original and changed text to compare line-by-line differences side by side. Diffing runs locally in your browser with added, removed, and unchanged line counts.
Results are based on the inputs you provide and may not cover every edge case. This tool is for general use and is not professional advice.
Your data stays on your device and is not uploaded.
FAQ
Yes. It is free to use and you do not need to sign in or create an account.
See the privacy note on this page. Many tools run on your device; some heavier file tools may use secure temporary processing when required.
Yes. Open this page on your phone or tablet, enter your inputs, and use the on-screen controls.
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