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public/tools/caseconv.html

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+<!-- ═══════════════ CASE CONVERTER ═══════════════ -->
+<div class="page" id="page-caseconv">
+  <button class="back-btn" onclick="showPage('home')">← Back to Tools</button>
+  <div class="section-header">
+    <h2><i class="fas fa-font" style="color:var(--pink)"></i> Case Converter</h2>
+    <p>Convert text between different cases.</p>
+  </div>
+  <div style="max-width:720px;">
+    <div class="panel-label">Input Text</div>
+    <textarea id="caseInput" placeholder="Enter some text here..." style="min-height:100px;"></textarea>
+    <div class="btn-group">
+      <button class="btn btn-primary" onclick="convertCase()"><i class="fas fa-sync"></i> Convert All</button>
+    </div>
+    <div id="caseResults"></div>
+    <div class="api-usage">
+      <button class="api-usage-toggle" onclick="toggleApiUsage(this)"><span><i class="fas fa-terminal"></i> API Usage <span class="badge">REST</span></span><i class="fas fa-chevron-down"></i></button>
+      <div class="api-usage-body">
+        <div class="api-baseurl-note">All examples use <code>BASE_URL</code> — set it to your deployment URL.</div>
+        <div class="api-endpoint">
+          <span class="api-method post">POST</span><span class="api-path">/api/text/case</span>
+          <div class="api-desc">Convert text to all case variations at once.</div>
+          <div class="api-code"><button class="api-code-copy" onclick="copyApiCode(this)">Copy</button><span class="kw">const</span> <span class="var">BASE_URL</span> = <span class="str">"http://localhost:3000"</span>;
+
+<span class="kw">const</span> res = <span class="kw">await</span> <span class="fn">fetch</span>(<span class="var">`${BASE_URL}/api/text/case`</span>, {
+  method: <span class="str">"POST"</span>,
+  headers: { <span class="str">"Content-Type"</span>: <span class="str">"application/json"</span> },
+  body: JSON.<span class="fn">stringify</span>({ text: <span class="str">"Hello World Example"</span> })
+});
+<span class="kw">const</span> data = <span class="kw">await</span> res.<span class="fn">json</span>();
+<span class="cm">// → { success: true, uppercase: "HELLO WORLD EXAMPLE",
+//     lowercase: "hello world example", titleCase: "Hello World Example",
+//     camelCase: "helloWorldExample", snakeCase: "hello_world_example",
+//     kebabCase: "hello-world-example", dotCase: "hello.world.example",
+//     reversed: "elpmaxE dlroW olleH" }</span></div>
+        </div>
+      </div>
+    </div>
+  </div>
+</div>
+