Update README.md

Author: goyalnvn

README.md

@@ -1,2 +1,32 @@
-# json-diff
+# JSON Diff
+
 Compare two JSON objects side by side with visual diff highlighting. See additions, deletions, and changes instantly. Export diff reports in JSON, CSV, or TXT formats.
+
+## Features
+
+- Side-by-side or unified diff view with color highlighting
+- Ignores key order so structural changes stand out
+- Export diff results to JSON, CSV, or plain text
+- History and saved diffs for repeat comparisons
+- Paste or load from file; no data leaves your browser
+
+## Why use this tool
+
+Compare API versions, configs, or database dumps without command-line tools. Visual highlighting shows exactly what changed, and export lets you share or document differences.
+
+## Try it
+
+**[Try JSON Diff at Spoold →](https://spoold.com/tools/json/diff)**
+
+---
+
+## More from Spoold
+
+[Spoold](https://spoold.com/tools) is a free developer toolbox that detects what you paste and opens the right tool.
+
+- **No sign-up** – Use every tool without an account.
+- **Runs in your browser** – Your data stays on your device; we don’t store or log your input.
+- **Paste and go** – Paste JSON, HTML, JWT, curl, Base64, or any text on the homepage and Spoold suggests the right tool.
+- **One place for many tools** – JSON formatter, JWT decoder, Base64, UUID generator, regex tester, curl-to-code, and more.
+
+**[Open Spoold →](https://spoold.com/)**