diff --git a/src/BCards.Web/Controllers/AdminController.cs b/src/BCards.Web/Controllers/AdminController.cs
index 11baa2a..a35abde 100644
--- a/src/BCards.Web/Controllers/AdminController.cs
+++ b/src/BCards.Web/Controllers/AdminController.cs
@@ -558,10 +558,13 @@ public class AdminController : Controller
         var socialLinks = new List<LinkItem>();
         if (!string.IsNullOrEmpty(model.WhatsAppNumber))
         {
+            var whatsappDigits = model.WhatsAppNumber
+                .Replace("https://wa.me/", "").Replace("whatsapp://", "")
+                .Replace("+", "").Replace(" ", "").Replace("-", "").Replace("(", "").Replace(")", "");
             socialLinks.Add(new LinkItem
             {
                 Title = "WhatsApp",
-                Url = $"https://wa.me/{model.WhatsAppNumber.Replace("+", "").Replace(" ", "").Replace("-", "").Replace("(", "").Replace(")", "")}",
+                Url = $"https://wa.me/{whatsappDigits}",
                 Icon = "fab fa-whatsapp",
                 IsActive = true,
                 Order = userPage.Links.Count + socialLinks.Count
@@ -837,6 +840,16 @@ public class AdminController : Controller
                 FileSize = d.FileSize,
                 UploadedAt = d.UploadedAt
             }).ToList() ?? new List<ManageDocumentViewModel>(),
+            // Social media fields — extracted from Links so the edit form pre-fills correctly
+            WhatsAppNumber = page.Links?.FirstOrDefault(l => l.Icon?.Contains("whatsapp") == true)?.Url
+                ?.Replace("https://wa.me/", "").Replace("whatsapp://", "") ?? string.Empty,
+            FacebookUrl = page.Links?.FirstOrDefault(l => l.Icon?.Contains("facebook") == true)?.Url ?? string.Empty,
+            InstagramUrl = page.Links?.FirstOrDefault(l => l.Icon?.Contains("instagram") == true)?.Url ?? string.Empty,
+            TwitterUrl = page.Links?.FirstOrDefault(l => l.Icon?.Contains("twitter") == true)?.Url ?? string.Empty,
+            TiktokUrl = page.Links?.FirstOrDefault(l => l.Icon?.Contains("tiktok") == true)?.Url ?? string.Empty,
+            PinterestUrl = page.Links?.FirstOrDefault(l => l.Icon?.Contains("pinterest") == true)?.Url ?? string.Empty,
+            DiscordUrl = page.Links?.FirstOrDefault(l => l.Icon?.Contains("discord") == true)?.Url ?? string.Empty,
+            KawaiUrl = page.Links?.FirstOrDefault(l => l.Icon?.Contains("kawai") == true)?.Url ?? string.Empty,
             AvailableCategories = categories,
             AvailableThemes = themes.Where(t => !t.IsPremium || userPlanType.AllowsCustomThemes()).ToList(),
             MaxLinksAllowed = userPlanType.GetMaxLinksPerPage(),
@@ -892,10 +905,13 @@ public class AdminController : Controller
 
         if (!string.IsNullOrEmpty(model.WhatsAppNumber))
         {
+            var whatsappDigits = model.WhatsAppNumber
+                .Replace("https://wa.me/", "").Replace("whatsapp://", "")
+                .Replace("+", "").Replace(" ", "").Replace("-", "").Replace("(", "").Replace(")", "");
             socialLinks.Add(new LinkItem
             {
                 Title = "WhatsApp",
-                Url = $"https://wa.me/{model.WhatsAppNumber.Replace("+", "").Replace(" ", "").Replace("-", "").Replace("(", "").Replace(")", "")}",
+                Url = $"https://wa.me/{whatsappDigits}",
                 Icon = "fab fa-whatsapp",
                 IsActive = true,
                 Order = currentOrder++
@@ -1241,10 +1257,13 @@ public class AdminController : Controller
 
         if (!string.IsNullOrEmpty(model.WhatsAppNumber))
         {
+            var whatsappDigits = model.WhatsAppNumber
+                .Replace("https://wa.me/", "").Replace("whatsapp://", "")
+                .Replace("+", "").Replace(" ", "").Replace("-", "").Replace("(", "").Replace(")", "");
             socialLinks.Add(new LinkItem
             {
                 Title = "WhatsApp",
-                Url = $"https://wa.me/{model.WhatsAppNumber.Replace("+", "").Replace(" ", "").Replace("-", "").Replace("(", "").Replace(")", "")}",
+                Url = $"https://wa.me/{whatsappDigits}",
                 Icon = "fab fa-whatsapp",
                 IsActive = true,
                 Order = currentOrder++
diff --git a/src/BCards.Web/Views/Admin/CreatePage.cshtml b/src/BCards.Web/Views/Admin/CreatePage.cshtml
index 93fa622..a88a0b2 100644
--- a/src/BCards.Web/Views/Admin/CreatePage.cshtml
+++ b/src/BCards.Web/Views/Admin/CreatePage.cshtml
@@ -82,9 +82,15 @@
                             
                             <div class="mb-3">
                                 <label asp-for="Bio" class="form-label">Bio/Descrição</label>
-                                <textarea asp-for="Bio" class="form-control" rows="8" maxlength="3000" placeholder="Uma breve descrição sobre você ou sua empresa..."></textarea>
+                                <div class="md-toolbar border rounded-top border-bottom-0 bg-light px-2 py-1 d-flex gap-1">
+                                    <button type="button" class="btn btn-sm btn-outline-secondary md-btn" data-target="Bio" data-wrap="**" title="Negrito"><b>B</b></button>
+                                    <button type="button" class="btn btn-sm btn-outline-secondary md-btn" data-target="Bio" data-wrap="*" title="Itálico"><i>I</i></button>
+                                    <button type="button" class="btn btn-sm btn-outline-secondary md-list-btn" data-target="Bio" title="Lista">&#8226; Lista</button>
+                                    <button type="button" class="btn btn-sm btn-outline-secondary md-link-btn" data-target="Bio" title="Link">&#128279; Link</button>
+                                </div>
+                                <textarea asp-for="Bio" id="Bio" class="form-control rounded-0 rounded-bottom" rows="5" maxlength="3000" placeholder="Uma breve descrição sobre você ou sua empresa..." style="font-family: monospace; font-size: 0.9rem;"></textarea>
                                 <span asp-validation-for="Bio" class="text-danger"></span>
-                                <div class="form-text">Máximo 3000 caracteres</div>
+                                <div class="form-text">Máximo 3000 caracteres. Use **negrito**, *itálico*, - item para listas.</div>
                             </div>
                         </div>
                         
@@ -616,4 +622,51 @@ function generatePreview() {
 
 @section Scripts {
     @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
+    <script>
+    $(document).ready(function() {
+        document.querySelectorAll('.md-btn').forEach(function(btn) {
+            btn.addEventListener('click', function() {
+                var targetId = this.dataset.target;
+                var wrap = this.dataset.wrap;
+                var ta = document.getElementById(targetId);
+                var start = ta.selectionStart, end = ta.selectionEnd;
+                var sel = ta.value.substring(start, end) || 'texto';
+                var before = ta.value.substring(0, start);
+                var after = ta.value.substring(end);
+                ta.value = before + wrap + sel + wrap + after;
+                ta.selectionStart = start + wrap.length;
+                ta.selectionEnd = start + wrap.length + sel.length;
+                ta.focus();
+            });
+        });
+        document.querySelectorAll('.md-list-btn').forEach(function(btn) {
+            btn.addEventListener('click', function() {
+                var targetId = this.dataset.target;
+                var ta = document.getElementById(targetId);
+                var start = ta.selectionStart;
+                var lineStart = ta.value.lastIndexOf('\n', start - 1) + 1;
+                var before = ta.value.substring(0, lineStart);
+                var after = ta.value.substring(lineStart);
+                ta.value = before + '- ' + after;
+                ta.selectionStart = ta.selectionEnd = start + 2;
+                ta.focus();
+            });
+        });
+        document.querySelectorAll('.md-link-btn').forEach(function(btn) {
+            btn.addEventListener('click', function() {
+                var targetId = this.dataset.target;
+                var ta = document.getElementById(targetId);
+                var start = ta.selectionStart, end = ta.selectionEnd;
+                var sel = ta.value.substring(start, end) || 'texto do link';
+                var url = prompt('URL do link:') || 'https://';
+                var before = ta.value.substring(0, start);
+                var after = ta.value.substring(end);
+                var md = '[' + sel + '](' + url + ')';
+                ta.value = before + md + after;
+                ta.selectionStart = ta.selectionEnd = start + md.length;
+                ta.focus();
+            });
+        });
+    });
+    </script>
 }
\ No newline at end of file
diff --git a/src/BCards.Web/Views/Admin/ManagePage.cshtml b/src/BCards.Web/Views/Admin/ManagePage.cshtml
index 74f7314..36c302e 100644
--- a/src/BCards.Web/Views/Admin/ManagePage.cshtml
+++ b/src/BCards.Web/Views/Admin/ManagePage.cshtml
@@ -115,9 +115,15 @@
 
                                         <div class="mb-3">
                                             <label asp-for="Bio" class="form-label">Bio/Descrição</label>
-                                            <textarea asp-for="Bio" class="form-control" rows="8" maxlength="3000" placeholder="Uma breve descrição sobre você ou sua empresa..."></textarea>
+                                            <div class="md-toolbar border rounded-top border-bottom-0 bg-light px-2 py-1 d-flex gap-1">
+                                                <button type="button" class="btn btn-sm btn-outline-secondary md-btn" data-target="Bio" data-wrap="**" title="Negrito"><b>B</b></button>
+                                                <button type="button" class="btn btn-sm btn-outline-secondary md-btn" data-target="Bio" data-wrap="*" title="Itálico"><i>I</i></button>
+                                                <button type="button" class="btn btn-sm btn-outline-secondary md-btn md-list-btn" data-target="Bio" title="Lista">&#8226; Lista</button>
+                                                <button type="button" class="btn btn-sm btn-outline-secondary md-link-btn" data-target="Bio" title="Link">&#128279; Link</button>
+                                            </div>
+                                            <textarea asp-for="Bio" id="Bio" class="form-control rounded-0 rounded-bottom" rows="5" maxlength="3000" placeholder="Uma breve descrição sobre você ou sua empresa..." style="font-family: monospace; font-size: 0.9rem;"></textarea>
                                             <span asp-validation-for="Bio" class="text-danger"></span>
-                                            <div class="form-text">Máximo 3000 caracteres</div>
+                                            <div class="form-text">Máximo 3000 caracteres. Use **negrito**, *itálico*, - item para listas.</div>
                                         </div>
 
                                         <!-- Profile Image Upload -->
@@ -1210,7 +1216,6 @@
 
 @section Scripts {
     @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
-    
     <script>
     const LINK_TYPES_CONFIG = @Html.Raw(linkTypesJson);
     let linkCount = @Model.Links.Count;
@@ -1219,6 +1224,9 @@
     const totalSteps = 5;
 
     $(document).ready(function() {
+        // Initialize Markdown toolbar
+        initMarkdownToolbar();
+
         // Initialize social media fields
         initializeSocialMedia();
         
@@ -1337,11 +1345,11 @@
             updateLinkNumbers();
         });
         
-        // Form validation
+        // Loading state — só desabilita se a validação JS não bloqueou o submit
         $('#managePageForm').on('submit', function(e) {
-            console.log('Form submitted');
-            // Allow submission but add loading state
-            $(this).find('button[type="submit"]').prop('disabled', true).html('<i class="fas fa-spinner fa-spin me-2"></i>Criando...');
+            if (!e.isDefaultPrevented()) {
+                $(this).find('button[type="submit"]').prop('disabled', true).html('<i class="fas fa-spinner fa-spin me-2"></i>Salvando...');
+            }
         });
     });
 
@@ -1943,6 +1951,53 @@
         }, 7000);
     }
 
+    // Markdown Toolbar
+    function initMarkdownToolbar() {
+        document.querySelectorAll('.md-btn').forEach(function(btn) {
+            btn.addEventListener('click', function() {
+                var targetId = this.dataset.target;
+                var wrap = this.dataset.wrap;
+                var ta = document.getElementById(targetId);
+                var start = ta.selectionStart, end = ta.selectionEnd;
+                var sel = ta.value.substring(start, end) || 'texto';
+                var before = ta.value.substring(0, start);
+                var after = ta.value.substring(end);
+                ta.value = before + wrap + sel + wrap + after;
+                ta.selectionStart = start + wrap.length;
+                ta.selectionEnd = start + wrap.length + sel.length;
+                ta.focus();
+            });
+        });
+        document.querySelectorAll('.md-list-btn').forEach(function(btn) {
+            btn.addEventListener('click', function() {
+                var targetId = this.dataset.target;
+                var ta = document.getElementById(targetId);
+                var start = ta.selectionStart;
+                var lineStart = ta.value.lastIndexOf('\n', start - 1) + 1;
+                var before = ta.value.substring(0, lineStart);
+                var after = ta.value.substring(lineStart);
+                ta.value = before + '- ' + after;
+                ta.selectionStart = ta.selectionEnd = start + 2;
+                ta.focus();
+            });
+        });
+        document.querySelectorAll('.md-link-btn').forEach(function(btn) {
+            btn.addEventListener('click', function() {
+                var targetId = this.dataset.target;
+                var ta = document.getElementById(targetId);
+                var start = ta.selectionStart, end = ta.selectionEnd;
+                var sel = ta.value.substring(start, end) || 'texto do link';
+                var url = prompt('URL do link:') || 'https://';
+                var before = ta.value.substring(0, start);
+                var after = ta.value.substring(end);
+                var md = '[' + sel + '](' + url + ')';
+                ta.value = before + md + after;
+                ta.selectionStart = ta.selectionEnd = start + md.length;
+                ta.focus();
+            });
+        });
+    }
+
     // Validation Error Handling
     function checkValidationErrors() {
         // Só verificar erros se estamos em um POST-back (ou seja, se ModelState foi validado)
@@ -2262,8 +2317,10 @@
             }
 
             // Atualizar campo hidden - SEMPRE string, nunca null
+            // WhatsApp: armazena só o número (servidor adiciona https://wa.me/ ao salvar)
+            // Outros: armazena URL completa (servidor usa diretamente)
             if (value) {
-                hiddenField.val(prefix + value);
+                hiddenField.val(isWhatsApp ? value : prefix + value);
             } else {
                 hiddenField.val(' '); // Espaço em branco para evitar null
             }
diff --git a/src/BCards.Web/Views/Moderation/Review.cshtml b/src/BCards.Web/Views/Moderation/Review.cshtml
index 1e81ad2..1328a5f 100644
--- a/src/BCards.Web/Views/Moderation/Review.cshtml
+++ b/src/BCards.Web/Views/Moderation/Review.cshtml
@@ -103,9 +103,11 @@
                 <div class="card-body">
                     @if (!string.IsNullOrEmpty(Model.Page.Bio))
                     {
+                        var bioPipeline = new Markdig.MarkdownPipelineBuilder().UseAutoLinks().DisableHtml().Build();
+                        var bioHtml = Markdig.Markdown.ToHtml(Model.Page.Bio, bioPipeline);
                         <div class="mb-3">
                             <strong>Biografia:</strong>
-                            <p>@Model.Page.Bio</p>
+                            <div>@Html.Raw(bioHtml)</div>
                         </div>
                     }
 
diff --git a/src/BCards.Web/Views/UserPage/Display.cshtml b/src/BCards.Web/Views/UserPage/Display.cshtml
index 26c1391..3bf1aea 100644
--- a/src/BCards.Web/Views/UserPage/Display.cshtml
+++ b/src/BCards.Web/Views/UserPage/Display.cshtml
@@ -367,7 +367,9 @@
 
                     @if (!string.IsNullOrEmpty(Model.Bio))
                     {
-                        <p class="profile-bio">@Model.Bio</p>
+                        var bioPipeline = new Markdig.MarkdownPipelineBuilder().UseAutoLinks().DisableHtml().Build();
+                        var bioHtml = Markdig.Markdown.ToHtml(Model.Bio, bioPipeline);
+                        <div class="profile-bio">@Html.Raw(bioHtml)</div>
                     }
 
                     <!-- Links Container -->
diff --git a/src/BCards.Web/Views/_ViewImports.cshtml b/src/BCards.Web/Views/_ViewImports.cshtml
index b38d17b..16542c1 100644
--- a/src/BCards.Web/Views/_ViewImports.cshtml
+++ b/src/BCards.Web/Views/_ViewImports.cshtml
@@ -1,3 +1,4 @@
 @using BCards.Web
 @using BCards.Web.Models
+@using Markdig
 @addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
\ No newline at end of file