diff --git a/src/components/DevAreaTools/Base64Tool.jsx b/src/components/DevAreaTools/Base64Tool.jsx
new file mode 100644
index 0000000..2074d49
--- /dev/null
+++ b/src/components/DevAreaTools/Base64Tool.jsx
@@ -0,0 +1,94 @@
+import React, { useState } from "react";
+
+export default function Base64Tool() {
+    const [input, setInput] = useState("");
+    const [output, setOutput] = useState("");
+    const [error, setError] = useState(null);
+
+    const handleEncode = () => {
+        setError(null);
+        try {
+            const encoded = btoa(unescape(encodeURIComponent(input)));
+            setOutput(encoded);
+        } catch (err) {
+            setError("Failed to encode text.");
+        }
+    };
+
+    const handleDecode = () => {
+        setError(null);
+        try {
+            const decoded = decodeURIComponent(escape(atob(input)));
+            setOutput(decoded);
+        } catch (err) {
+            setError("Invalid Base64 string.");
+        }
+    };
+
+    const handleClear = () => {
+        setInput("");
+        setOutput("");
+        setError(null);
+    };
+
+    return (
+        <div className="max-w-3xl mx-auto p-4 space-y-4">
+            <h2 className="text-lg font-semibold">Base64 Encoder / Decoder</h2>
+            <p className="text-sm text-slate-500">
+                Encode or decode Base64 text directly in your browser.
+            </p>
+
+            <textarea
+                className="w-full border rounded-md p-3 text-sm focus:outline-none focus:ring-1 focus:ring-slate-400"
+                rows="4"
+                placeholder="Enter text or Base64 string here..."
+                value={input}
+                onChange={(e) => setInput(e.target.value)}
+            />
+
+            <div className="flex flex-wrap gap-2">
+                <button
+                    onClick={handleEncode}
+                    className="px-4 py-2 rounded-md border text-sm hover:bg-slate-700"
+                >
+                    Encode
+                </button>
+                <button
+                    onClick={handleDecode}
+                    className="px-4 py-2 rounded-md border text-sm hover:bg-slate-700"
+                >
+                    Decode
+                </button>
+                <button
+                    onClick={handleClear}
+                    className="px-4 py-2 rounded-md border text-sm hover:bg-slate-700"
+                >
+                    Clear
+                </button>
+            </div>
+
+            {error && (
+                <div className="text-red-600 text-sm border border-red-300 rounded-md p-2">
+                    {error}
+                </div>
+            )}
+
+            <div>
+                <h3 className="font-medium mb-2">Output</h3>
+                <textarea
+                    className="w-full border rounded-md p-3 text-sm bg-transparent focus:outline-none"
+                    rows="4"
+                    readOnly
+                    value={output}
+                    placeholder="Result will appear here..."
+                />
+            </div>
+
+            <div className="text-sm text-slate-500">
+                <p>⚙️ Example for testing:</p>
+                <p><strong>Input:</strong> Hello World</p>
+                <p><strong>Encoded Output:</strong> SGVsbG8gV29ybGQ=</p>
+            </div>
+        </div>
+    );
+}
diff --git a/src/pages/DevArea/DevTools.jsx b/src/pages/DevArea/DevTools.jsx
index a421b86..784a838 100644
--- a/src/pages/DevArea/DevTools.jsx
+++ b/src/pages/DevArea/DevTools.jsx
@@ -5,6 +5,7 @@ import JSONFormatter from "../../components/DevAreaTools/JSONFormatter";
 import JWTDecoder from "../../components/DevAreaTools/JwtDecoder";
 import URLEncoderDecoder from "../../components/DevAreaTools/URLEncoderDecoder";
 import XmlFormatter from "../../components/DevAreaTools/XmlFormatter";
+import Base64Tool from "../../components/DevAreaTools/Base64Tool";
 
 const DevTools = () => {
     const { tool } = useParams();
@@ -15,6 +16,7 @@ const DevTools = () => {
         "json-formatter": <JSONFormatter />,
         "url-encoder-decoder": <URLEncoderDecoder />,
         "xml-formatter": <XmlFormatter />,
+        "base64": <Base64Tool />,
     }
 
 
diff --git a/src/pages/DevArea/index.jsx b/src/pages/DevArea/index.jsx
index 7c9fda9..bf48f4f 100644
--- a/src/pages/DevArea/index.jsx
+++ b/src/pages/DevArea/index.jsx
@@ -18,7 +18,7 @@ const DevArea = () => {
         {
             name: "Base64 Encoder/Decoder",
             link: "/devarea/base64",
-            isAvailable: false
+            isAvailable: true
         },
         {
             name: "JWT Decoder",