diff --git a/src/Services/PropertiesTable.php b/src/Services/PropertiesTable.php
index abed15c..30f00a3 100644
--- a/src/Services/PropertiesTable.php
+++ b/src/Services/PropertiesTable.php
@@ -29,7 +29,11 @@ public function convertPropertiesToMarkdownTable(array $properties): string
                 continue;
             }
 
-            $markdown .= "| {$name} | {$value} |\n";
+            // Escape special characters in property name and value
+            $escapedName = $this->escapeTableCellCharacters($name);
+            $escapedValue = $this->escapeTableCellCharacters($value);
+
+            $markdown .= "| {$escapedName} | {$escapedValue} |\n";
         }
 
         return $markdown."\n";
@@ -289,4 +293,21 @@ private function formatUser(?array $user): string
 
         return $user['name'] ?? 'Unknown';
     }
+
+    /**
+     * Escape special characters in markdown table cells
+     *
+     * @param  string  $text  Text to escape
+     * @return string Escaped text
+     */
+    private function escapeTableCellCharacters(string $text): string
+    {
+        // Escape pipe characters to prevent table structure corruption
+        $text = str_replace('|', '\|', $text);
+
+        // Replace newline characters with spaces to maintain table structure
+        $text = str_replace(["\r\n", "\r", "\n"], ' ', $text);
+
+        return $text;
+    }
 }
diff --git a/tests/Services/PropertiesTableTest.php b/tests/Services/PropertiesTableTest.php
index 474b0fd..2cda6d0 100644
--- a/tests/Services/PropertiesTableTest.php
+++ b/tests/Services/PropertiesTableTest.php
@@ -489,3 +489,323 @@
 
     expect($result)->toContain('| Description | This is a description |');
 });
+
+test('escapes pipe characters in property names', function () {
+    $properties = [
+        'Name | Title' => [
+            'id' => 'title',
+            'type' => 'title',
+            'title' => [
+                ['plain_text' => 'Test Page'],
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Name \| Title | Test Page |');
+});
+
+test('escapes pipe characters in property values', function () {
+    $properties = [
+        'Description' => [
+            'id' => 'rich',
+            'type' => 'rich_text',
+            'rich_text' => [
+                ['plain_text' => 'Value with | pipe'],
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Description | Value with \| pipe |');
+});
+
+test('escapes multiple pipe characters in property names and values', function () {
+    $properties = [
+        'A | B | C' => [
+            'id' => 'title',
+            'type' => 'title',
+            'title' => [
+                ['plain_text' => 'X | Y | Z'],
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| A \| B \| C | X \| Y \| Z |');
+});
+
+test('escapes pipe characters in select property values', function () {
+    $properties = [
+        'Type' => [
+            'id' => 'select',
+            'type' => 'select',
+            'select' => [
+                'id' => 'LOQu',
+                'name' => 'option-1 | option-2',
+                'color' => 'pink',
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Type | option-1 \| option-2 |');
+});
+
+test('escapes pipe characters in multi_select property values', function () {
+    $properties = [
+        'Tags' => [
+            'id' => 'multi_select',
+            'type' => 'multi_select',
+            'multi_select' => [
+                [
+                    'id' => 'tag1',
+                    'name' => 'tag | 1',
+                    'color' => 'blue',
+                ],
+                [
+                    'id' => 'tag2',
+                    'name' => 'tag | 2',
+                    'color' => 'green',
+                ],
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Tags | tag \| 1, tag \| 2 |');
+});
+
+test('escapes pipe characters in people names', function () {
+    $properties = [
+        'Person' => [
+            'id' => 'people',
+            'type' => 'people',
+            'people' => [
+                ['name' => 'John | Doe'],
+                ['name' => 'Jane | Smith'],
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Person | John \| Doe, Jane \| Smith |');
+});
+
+test('escapes pipe characters in file names', function () {
+    $properties = [
+        'Files' => [
+            'id' => 'files',
+            'type' => 'files',
+            'files' => [
+                [
+                    'name' => 'file | name.pdf',
+                    'type' => 'external',
+                    'external' => [
+                        'url' => 'https://example.com/file.pdf',
+                    ],
+                ],
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Files | [file \| name.pdf](https://example.com/file.pdf) |');
+});
+
+test('escapes pipe characters in user names', function () {
+    $properties = [
+        'Created By' => [
+            'id' => 'created_by',
+            'type' => 'created_by',
+            'created_by' => [
+                'id' => 'user-id',
+                'name' => 'John | Doe',
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Created By | John \| Doe |');
+});
+
+test('escapes pipe characters in formula string values', function () {
+    $properties = [
+        'Calculated' => [
+            'id' => 'formula',
+            'type' => 'formula',
+            'formula' => [
+                'type' => 'string',
+                'string' => 'Result | Text',
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Calculated | Result \| Text |');
+});
+
+test('replaces newline characters with spaces in property values', function () {
+    $properties = [
+        'Description' => [
+            'id' => 'rich',
+            'type' => 'rich_text',
+            'rich_text' => [
+                ['plain_text' => "Line 1\nLine 2"],
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Description | Line 1 Line 2 |');
+});
+
+test('replaces carriage return with spaces in property values', function () {
+    $properties = [
+        'Description' => [
+            'id' => 'rich',
+            'type' => 'rich_text',
+            'rich_text' => [
+                ['plain_text' => "Line 1\rLine 2"],
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Description | Line 1 Line 2 |');
+});
+
+test('replaces CRLF with spaces in property values', function () {
+    $properties = [
+        'Description' => [
+            'id' => 'rich',
+            'type' => 'rich_text',
+            'rich_text' => [
+                ['plain_text' => "Line 1\r\nLine 2"],
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Description | Line 1 Line 2 |');
+});
+
+test('replaces multiple newlines with spaces in property values', function () {
+    $properties = [
+        'Description' => [
+            'id' => 'rich',
+            'type' => 'rich_text',
+            'rich_text' => [
+                ['plain_text' => "Line 1\n\nLine 2\n\nLine 3"],
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Description | Line 1  Line 2  Line 3 |');
+});
+
+test('replaces newlines in property names', function () {
+    $properties = [
+        "Multi\nLine\nName" => [
+            'id' => 'title',
+            'type' => 'title',
+            'title' => [
+                ['plain_text' => 'Test Value'],
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Multi Line Name | Test Value |');
+});
+
+test('handles both newlines and pipe characters together', function () {
+    $properties = [
+        "Name | Title\nWith Newline" => [
+            'id' => 'rich',
+            'type' => 'rich_text',
+            'rich_text' => [
+                ['plain_text' => "Value | with\npipe and\nnewlines"],
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Name \| Title With Newline | Value \| with pipe and newlines |');
+});
+
+test('replaces newlines in select property values', function () {
+    $properties = [
+        'Type' => [
+            'id' => 'select',
+            'type' => 'select',
+            'select' => [
+                'id' => 'LOQu',
+                'name' => "Option\nWith\nNewlines",
+                'color' => 'pink',
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Type | Option With Newlines |');
+});
+
+test('replaces newlines in multi_select property values', function () {
+    $properties = [
+        'Tags' => [
+            'id' => 'multi_select',
+            'type' => 'multi_select',
+            'multi_select' => [
+                [
+                    'id' => 'tag1',
+                    'name' => "Tag\n1",
+                    'color' => 'blue',
+                ],
+                [
+                    'id' => 'tag2',
+                    'name' => "Tag\n2",
+                    'color' => 'green',
+                ],
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Tags | Tag 1, Tag 2 |');
+});
+
+test('replaces newlines in people names', function () {
+    $properties = [
+        'Person' => [
+            'id' => 'people',
+            'type' => 'people',
+            'people' => [
+                ['name' => "John\nDoe"],
+                ['name' => "Jane\nSmith"],
+            ],
+        ],
+    ];
+
+    $result = $this->propertiesTable->convertPropertiesToMarkdownTable($properties);
+
+    expect($result)->toContain('| Person | John Doe, Jane Smith |');
+});