diff --git a/admin/layout/style-css/table-list.css b/admin/layout/style-css/table-list.css
new file mode 100644
index 0000000..58b84ef
--- /dev/null
+++ b/admin/layout/style-css/table-list.css
@@ -0,0 +1,180 @@
+.table-list-table th,
+.table-list-table td {
+  vertical-align: middle !important;
+}
+
+.table-list-table th.text-right,
+.table-list-table td.text-right {
+  display: table-cell !important;
+  text-align: right !important;
+  justify-content: initial !important;
+  align-items: initial !important;
+}
+
+.table-list-table th:first-child,
+.table-list-table td:first-child {
+  width: 70px;
+  white-space: nowrap;
+}
+
+.js-table-filters-form .js-filter-compact-select {
+  width: 100%;
+  min-width: 0;
+  max-width: none;
+}
+
+.table-list-table th.table-col-compact,
+.table-list-table td.table-col-compact {
+  width: 120px;
+  min-width: 120px;
+  white-space: nowrap;
+}
+
+.table-list-per-page-form {
+  display: inline-flex;
+  align-items: center;
+  justify-content: flex-end;
+  flex-wrap: wrap;
+  gap: 8px;
+}
+
+.jconfirm.table-list-confirm-dialog .jconfirm-row {
+  min-height: 100vh;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.jconfirm.table-list-confirm-dialog .jconfirm-box-container {
+  width: 100%;
+  max-width: 560px;
+  padding-left: 12px;
+  padding-right: 12px;
+  margin: 0 auto;
+}
+
+.jconfirm.table-list-confirm-dialog .jconfirm-box {
+  width: 100% !important;
+}
+
+/* --- Column visibility toggle --- */
+
+.table-list-header-actions {
+  display: inline-flex;
+  align-items: center;
+  gap: 10px;
+}
+
+.table-col-toggle-wrapper {
+  position: relative;
+  display: inline-block;
+}
+
+.table-col-toggle-dropdown {
+  display: none;
+  position: absolute;
+  right: 0;
+  top: 100%;
+  z-index: 1050;
+  min-width: 220px;
+  max-height: 400px;
+  overflow-y: auto;
+  background: #fff;
+  border: 1px solid #ddd;
+  border-radius: 4px;
+  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
+  padding: 0;
+  margin-top: 4px;
+}
+
+.table-col-toggle-dropdown.open {
+  display: block;
+}
+
+.table-col-toggle-header {
+  padding: 8px 12px;
+  font-weight: 600;
+  font-size: 12px;
+  color: #555;
+  border-bottom: 1px solid #eee;
+  background: #f8f8f8;
+}
+
+.table-col-toggle-item {
+  display: flex;
+  align-items: center;
+  padding: 5px 12px;
+  margin: 0;
+  font-weight: normal;
+  cursor: pointer;
+  font-size: 13px;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  gap: 10px;
+}
+
+.table-col-toggle-item:hover {
+  background: #f5f5f5;
+}
+
+.table-col-toggle-footer {
+  padding: 6px 12px;
+  border-top: 1px solid #eee;
+  background: #f8f8f8;
+  text-align: center;
+}
+
+.table-list-table th.table-col-hidden,
+.table-list-table td.table-col-hidden {
+  display: none;
+}
+
+/* Toggle switch */
+
+.table-col-switch {
+  position: relative;
+  display: inline-block;
+  width: 34px;
+  min-width: 34px;
+  height: 18px;
+}
+
+.table-col-switch input {
+  opacity: 0;
+  width: 0;
+  height: 0;
+  position: absolute;
+}
+
+.table-col-switch-slider {
+  position: absolute;
+  cursor: pointer;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background-color: #ccc;
+  border-radius: 18px;
+  transition: background-color 0.2s;
+}
+
+.table-col-switch-slider:before {
+  position: absolute;
+  content: "";
+  height: 14px;
+  width: 14px;
+  left: 2px;
+  bottom: 2px;
+  background-color: #fff;
+  border-radius: 50%;
+  transition: transform 0.2s;
+}
+
+.table-col-switch input:checked + .table-col-switch-slider {
+  background-color: #5cb85c;
+}
+
+.table-col-switch input:checked + .table-col-switch-slider:before {
+  transform: translateX(16px);
+}
diff --git a/admin/templates/components/table-list.php b/admin/templates/components/table-list.php
index 831c9f4..a97747e 100644
--- a/admin/templates/components/table-list.php
+++ b/admin/templates/components/table-list.php
@@ -46,7 +46,30 @@ $isCompactColumn = function(array $column): bool {
         <?php endif; ?>
       </div>
       <div class="col-sm-4 text-right">
-        <span class="text-muted">Wyników: <?= $total; ?></span>
+        <div class="table-list-header-actions">
+          <span class="text-muted">Wyników: <?= $total; ?></span>
+          <div class="table-col-toggle-wrapper">
+            <button type="button" class="btn btn-default btn-sm js-col-toggle-btn" title="Widoczność kolumn">
+              <i class="fa fa-columns"></i>
+            </button>
+            <div class="table-col-toggle-dropdown js-col-toggle-dropdown">
+              <div class="table-col-toggle-header">Widoczność kolumn</div>
+              <?php foreach ($list->columns as $colIndex => $column): ?>
+                <?php $colKey = (string)($column['key'] ?? 'col_' . $colIndex); ?>
+                <label class="table-col-toggle-item">
+                  <span class="table-col-switch">
+                    <input type="checkbox" class="js-col-toggle-checkbox" data-col-key="<?= htmlspecialchars($colKey, ENT_QUOTES, 'UTF-8'); ?>" checked />
+                    <span class="table-col-switch-slider"></span>
+                  </span>
+                  <?= htmlspecialchars((string)($column['label'] ?? $colKey), ENT_QUOTES, 'UTF-8'); ?>
+                </label>
+              <?php endforeach; ?>
+              <div class="table-col-toggle-footer">
+                <button type="button" class="btn btn-default btn-xs js-col-toggle-reset">Pokaż wszystkie</button>
+              </div>
+            </div>
+          </div>
+        </div>
       </div>
     </div>
   </div>
@@ -130,8 +153,9 @@ $isCompactColumn = function(array $column): bool {
       <table class="table table-hover table-striped table-bordered mbn table-list-table">
         <thead>
           <tr>
-            <?php foreach ($list->columns as $column): ?>
+            <?php foreach ($list->columns as $colIndex => $column): ?>
               <?php
+                $colKey = (string)($column['key'] ?? 'col_' . $colIndex);
                 $sortKey = (string)($column['sort_key'] ?? ($column['key'] ?? ''));
                 $isAllowedSortKey = empty($list->sortableColumns) || in_array($sortKey, $list->sortableColumns, true);
                 $isSortable = !empty($column['sortable']) && $sortKey !== '' && $isAllowedSortKey;
@@ -147,7 +171,7 @@ $isCompactColumn = function(array $column): bool {
                   $headerClass = trim($headerClass . ' table-col-compact');
                 }
               ?>
-              <th class="<?= htmlspecialchars($headerClass, ENT_QUOTES, 'UTF-8'); ?>">
+              <th class="<?= htmlspecialchars($headerClass, ENT_QUOTES, 'UTF-8'); ?>" data-col-key="<?= htmlspecialchars($colKey, ENT_QUOTES, 'UTF-8'); ?>">
                 <?php if ($isSortable): ?>
                   <a href="<?= htmlspecialchars($sortUrl, ENT_QUOTES, 'UTF-8'); ?>">
                     <?= htmlspecialchars((string)($column['label'] ?? ''), ENT_QUOTES, 'UTF-8'); ?>
@@ -169,9 +193,10 @@ $isCompactColumn = function(array $column): bool {
           <?php if (is_array($list->rows) && !empty($list->rows)): ?>
             <?php foreach ($list->rows as $row): ?>
               <tr>
-                <?php foreach ($list->columns as $column): ?>
+                <?php foreach ($list->columns as $colIndex => $column): ?>
                   <?php
                     $key = $column['key'] ?? '';
+                    $colKey = (string)($column['key'] ?? 'col_' . $colIndex);
                     $raw = !empty($column['raw']);
                     $value = $row[$key] ?? '';
                     $cellClass = trim((string)($column['class'] ?? ''));
@@ -179,7 +204,7 @@ $isCompactColumn = function(array $column): bool {
                       $cellClass = trim($cellClass . ' table-col-compact');
                     }
                   ?>
-                  <td class="<?= htmlspecialchars($cellClass, ENT_QUOTES, 'UTF-8'); ?>">
+                  <td class="<?= htmlspecialchars($cellClass, ENT_QUOTES, 'UTF-8'); ?>" data-col-key="<?= htmlspecialchars($colKey, ENT_QUOTES, 'UTF-8'); ?>">
                     <?php if ($raw): ?>
                       <?= (string)$value; ?>
                     <?php else: ?>
@@ -269,67 +294,6 @@ $isCompactColumn = function(array $column): bool {
   </div>
 </div>
 
-<style type="text/css">
-  .table-list-table th,
-  .table-list-table td {
-    vertical-align: middle !important;
-  }
-
-  .table-list-table th.text-right,
-  .table-list-table td.text-right {
-    display: table-cell !important;
-    text-align: right !important;
-    justify-content: initial !important;
-    align-items: initial !important;
-  }
-
-  .table-list-table th:first-child,
-  .table-list-table td:first-child {
-    width: 70px;
-    white-space: nowrap;
-  }
-
-  .js-table-filters-form .js-filter-compact-select {
-    width: 100%;
-    min-width: 0;
-    max-width: none;
-  }
-
-  .table-list-table th.table-col-compact,
-  .table-list-table td.table-col-compact {
-    width: 120px;
-    min-width: 120px;
-    white-space: nowrap;
-  }
-
-  .table-list-per-page-form {
-    display: inline-flex;
-    align-items: center;
-    justify-content: flex-end;
-    flex-wrap: wrap;
-    gap: 8px;
-  }
-
-  .jconfirm.table-list-confirm-dialog .jconfirm-row {
-    min-height: 100vh;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-  }
-
-  .jconfirm.table-list-confirm-dialog .jconfirm-box-container {
-    width: 100%;
-    max-width: 560px;
-    padding-left: 12px;
-    padding-right: 12px;
-    margin: 0 auto;
-  }
-
-  .jconfirm.table-list-confirm-dialog .jconfirm-box {
-    width: 100% !important;
-  }
-</style>
-
 <script type="text/javascript">
   (function($) {
     if (!$) {
@@ -414,5 +378,96 @@ $isCompactColumn = function(array $column): bool {
         }
       }
     );
+
+    // --- Column visibility toggle ---
+    var storageKey = 'tableListCols_' + <?= json_encode($list->basePath); ?>;
+
+    function getHiddenCols() {
+      try {
+        var data = localStorage.getItem(storageKey);
+        if (data) {
+          var parsed = JSON.parse(data);
+          if (Array.isArray(parsed)) {
+            return parsed;
+          }
+        }
+      } catch (e) {}
+      return [];
+    }
+
+    function saveHiddenCols(hiddenArr) {
+      try {
+        localStorage.setItem(storageKey, JSON.stringify(hiddenArr));
+      } catch (e) {}
+    }
+
+    function applyColumnVisibility(hiddenCols) {
+      var $table = $('.table-list-table');
+      $table.find('th[data-col-key], td[data-col-key]').each(function() {
+        var key = $(this).attr('data-col-key');
+        if (hiddenCols.indexOf(key) !== -1) {
+          $(this).addClass('table-col-hidden');
+        } else {
+          $(this).removeClass('table-col-hidden');
+        }
+      });
+
+      $('.js-col-toggle-checkbox').each(function() {
+        var key = $(this).attr('data-col-key');
+        $(this).prop('checked', hiddenCols.indexOf(key) === -1);
+      });
+    }
+
+    // Apply saved state on load
+    var hiddenCols = getHiddenCols();
+    if (hiddenCols.length) {
+      applyColumnVisibility(hiddenCols);
+    }
+
+    // Toggle dropdown open/close
+    $(document).off('click.colToggleBtn', '.js-col-toggle-btn');
+    $(document).on('click.colToggleBtn', '.js-col-toggle-btn', function(e) {
+      e.stopPropagation();
+      var $dropdown = $(this).siblings('.js-col-toggle-dropdown');
+      $dropdown.toggleClass('open');
+    });
+
+    // Prevent closing when clicking inside dropdown
+    $(document).off('click.colToggleDropdown', '.js-col-toggle-dropdown');
+    $(document).on('click.colToggleDropdown', '.js-col-toggle-dropdown', function(e) {
+      e.stopPropagation();
+    });
+
+    // Close dropdown on outside click
+    $(document).off('click.colToggleClose');
+    $(document).on('click.colToggleClose', function() {
+      $('.js-col-toggle-dropdown').removeClass('open');
+    });
+
+    // Checkbox change — toggle column
+    $(document).off('change.colToggle', '.js-col-toggle-checkbox');
+    $(document).on('change.colToggle', '.js-col-toggle-checkbox', function() {
+      var key = $(this).attr('data-col-key');
+      var isChecked = $(this).is(':checked');
+      var current = getHiddenCols();
+
+      if (isChecked) {
+        current = $.grep(current, function(v) { return v !== key; });
+      } else {
+        if (current.indexOf(key) === -1) {
+          current.push(key);
+        }
+      }
+
+      saveHiddenCols(current);
+      applyColumnVisibility(current);
+    });
+
+    // Reset — show all columns
+    $(document).off('click.colToggleReset', '.js-col-toggle-reset');
+    $(document).on('click.colToggleReset', '.js-col-toggle-reset', function() {
+      saveHiddenCols([]);
+      applyColumnVisibility([]);
+    });
   })(window.jQuery);
 </script>
diff --git a/admin/templates/site/main-layout.php b/admin/templates/site/main-layout.php
index 938d7c7..9cb584d 100644
--- a/admin/templates/site/main-layout.php
+++ b/admin/templates/site/main-layout.php
@@ -35,6 +35,7 @@
     <script type="text/javascript" src="/libraries/functions.js"></script>
     <script type="text/javascript" src="/admin/js/functions.js"></script>
     <link rel="stylesheet" href="/admin/layout/style-css/style.css" />
+    <link rel="stylesheet" href="/admin/layout/style-css/table-list.css" />
   </head>
   <body>
     <div class="admin-page">
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 165c634..8c49c4e 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -4,6 +4,16 @@ Logi zmian z migracji na Domain-Driven Architecture. Najnowsze na gorze.
 
 ---
 
+## ver. 0.299 (2026-02-21) - Widoczność kolumn w tabelach
+
+- **NEW**: Toggle widoczności kolumn w komponentach `table-list` — przycisk z ikoną kolumn, dropdown z toggle switchami
+- **NEW**: Stan widoczności kolumn zapisywany w `localStorage` per tabela (klucz na bazie `basePath`)
+- **NEW**: Przycisk "Pokaż wszystkie" resetujący widoczność
+- **UPDATE**: Style z `table-list.php` wyekstrahowane do osobnego pliku `admin/layout/style-css/table-list.css`
+- **UPDATE**: `admin/templates/site/main-layout.php` — podłączenie `table-list.css`
+
+---
+
 ## ver. 0.297 (2026-02-19) - REST API produktów
 
 - **NEW**: Endpoint `products` w REST API — lista, szczegóły, tworzenie, aktualizacja produktów
diff --git a/docs/UPDATE_INSTRUCTIONS.md b/docs/UPDATE_INSTRUCTIONS.md
index 499ab85..d67b986 100644
--- a/docs/UPDATE_INSTRUCTIONS.md
+++ b/docs/UPDATE_INSTRUCTIONS.md
@@ -18,14 +18,14 @@ Aktualizacje znajdują się w folderze `updates/0.XX/` gdzie XX oznacza dziesią
 
 ## Procedura tworzenia nowej aktualizacji
 
-## Status biezacej aktualizacji (ver. 0.297)
+## Status biezacej aktualizacji (ver. 0.299)
 
-- Wersja udostepniona: `0.297` (data: 2026-02-19).
+- Wersja udostepniona: `0.299` (data: 2026-02-21).
 - Pliki publikacyjne:
-    - `updates/0.20/ver_0.297.zip`
+    - `updates/0.20/ver_0.299.zip`
 - Pliki metadanych aktualizacji:
     - `updates/changelog.php`
-    - `updates/versions.php` (`$current_ver = 297`)
+    - `updates/versions.php` (`$current_ver = 299`)
 - Weryfikacja testow przed publikacja:
     - `OK (687 tests, 1971 assertions)`
 
diff --git a/updates/0.20/ver_0.299.zip b/updates/0.20/ver_0.299.zip
new file mode 100644
index 0000000..7dddc2e
Binary files /dev/null and b/updates/0.20/ver_0.299.zip differ
diff --git a/updates/changelog.php b/updates/changelog.php
index 05d1ff8..702735d 100644
--- a/updates/changelog.php
+++ b/updates/changelog.php
@@ -1,3 +1,6 @@
+<b>ver. 0.299 - 21.02.2026</b><br />
+- NEW - Ukrywanie/pokazywanie kolumn w tabelach admina (toggle switch + localStorage)
+<hr>
 <b>ver. 0.298 - 20.02.2026</b><br />
 - FIX - kilka poprawek po aktualizacji
 <hr>
diff --git a/updates/versions.php b/updates/versions.php
index b7e10da..168f4a3 100644
--- a/updates/versions.php
+++ b/updates/versions.php
@@ -1,5 +1,5 @@
 <?
-$current_ver = 298;
+$current_ver = 299;
 
 for ($i = 1; $i <= $current_ver; $i++)
 {