diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..723ef36
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.idea
\ No newline at end of file
diff --git a/adminer.css b/adminer.css
index 1711c38..e403e9a 100644
--- a/adminer.css
+++ b/adminer.css
@@ -325,6 +325,7 @@ input[name=logout]:hover {
 
 .logout {
 	z-index:3;
+	position: fixed;
 }
 
 .js .column {
diff --git a/plugins/AdminerJsonColumn.php b/plugins/AdminerJsonColumn.php
index 71fb205..746182e 100644
--- a/plugins/AdminerJsonColumn.php
+++ b/plugins/AdminerJsonColumn.php
@@ -1,36 +1,50 @@
 <?php
 
 /** Display JSON values as table in edit
-* @link https://www.adminer.org/plugins/#use
-* @author Jakub Vrana, https://www.vrana.cz/
-* @author Martin Zeman (Zemistr), http://www.zemistr.eu/
-* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
-* @license https://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
-*/
-class AdminerJsonColumn {
-	private function _testJson($value) {
-		if ((substr($value, 0, 1) == '{' || substr($value, 0, 1) == '[') && ($json = json_decode($value, true))) {
+ * @link    https://www.adminer.org/plugins/#use
+ * @author  Jakub Vrana, https://www.vrana.cz/
+ * @author  Martin Zeman (Zemistr), http://www.zemistr.eu/
+ * @license https://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
+ * @license https://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
+ */
+class AdminerJsonColumn
+{
+	private function _testJson($value)
+	{
+		if ((substr($value, 0, 1) == '{' || substr($value, 0, 1) == '[') && ($json = json_decode($value, true)))
+		{
 			return $json;
 		}
+
 		return $value;
 	}
 
-	private function _buildTable($json) {
-		echo '<table cellspacing="0" style="margin:2px">';
-		foreach ($json as $key => $val) {
+	private function _buildTable($json)
+	{
+		echo '<table cellspacing="0" style="margin:2px;">';
+		foreach ($json as $key => $val)
+		{
 			echo '<tr>';
 			echo '<th>' . h($key) . '</th>';
 			echo '<td>';
-			if (is_scalar($val) || $val === null) {
-				if (is_bool($val)) {
+			if (is_scalar($val) || $val === null)
+			{
+				if (is_bool($val))
+				{
 					$val = $val ? 'true' : 'false';
-				} elseif ($val === null) {
+				}
+                elseif ($val === null)
+				{
 					$val = 'null';
-				} elseif (!is_numeric($val)) {
+				}
+                elseif (!is_numeric($val))
+				{
 					$val = '"' . h(addcslashes($val, "\r\n\"")) . '"';
 				}
 				echo '<code class="jush-js">' . $val . '</code>';
-			} else {
+			}
+			else
+			{
 				$this->_buildTable($val);
 			}
 			echo '</td>';
@@ -39,10 +53,28 @@ class AdminerJsonColumn {
 		echo '</table>';
 	}
 
-	function editInput($table, $field, $attrs, $value) {
+	function editInput($table, $field, $attrs, $value)
+	{
 		$json = $this->_testJson($value);
-		if ($json !== $value) {
-			$this->_buildTable($json);
+		if ($json !== $value)
+		{
+			$name = $field['field'];
+			?>
+            <a href="#" id="toggle_json_<?= $name ?>">show as table</a><br>
+            <pre id="show_json_<?= $name ?>" style="display: none"><?= json_encode($json, JSON_PRETTY_PRINT); ?></pre>
+            <script <?= nonce() ?>>
+                document.getElementById('toggle_json_<?= $name ?>').addEventListener('click', function (e) {
+                    e.preventDefault();
+                    var show = document.getElementById('show_json_<?= $name ?>');
+                    if (show.style.display === 'none') {
+                        show.style.display = '';
+                    }
+                    else {
+                        show.style.display = 'none';
+                    }
+                });
+            </script>
+			<?php
 		}
 	}
 }
diff --git a/plugins/AdminerReadableDates.php b/plugins/AdminerReadableDates.php
new file mode 100644
index 0000000..03b0720
--- /dev/null
+++ b/plugins/AdminerReadableDates.php
@@ -0,0 +1,52 @@
+<?php
+
+/** This plugin replaces UNIX timestamps with human-readable dates in your local format.
+ * Mouse click on the date field reveals timestamp back.
+ *
+ * @link    https://www.adminer.org/plugins/#use
+ * @author  Anonymous
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
+ * @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
+ */
+class AdminerReadableDates
+{
+	/** @access protected */
+	var $prepend;
+
+	function __construct()
+	{
+		$this->prepend = <<<EOT
+
+document.addEventListener('DOMContentLoaded', function(event) {
+	var date = new Date();
+	var tds = document.querySelectorAll('td[id^="val"]');
+	for (var i = 0; i < tds.length; i++) {
+		var text = tds[i].innerHTML.trim();
+		if (text.match(/^\d{10}$/)) {
+			date.setTime(parseInt(text) * 1000);
+			tds[i].oldDate = text;
+
+			// tds[i].newDate = date.toUTCString().substr(5); // UTC format
+			tds[i].newDate = date.toLocaleString();	// Local format
+			// tds[i].newDate = date.toLocaleFormat('%e %b %Y %H:%M:%S'); // Custom format - works in Firefox only
+
+			tds[i].newDate = '<span style="color: #009900">' + tds[i].newDate + '</span>';
+			tds[i].innerHTML = tds[i].newDate;
+			tds[i].dateIsNew = true;
+
+			tds[i].addEventListener('click', function(event) {
+				this.innerHTML = (this.dateIsNew ? this.oldDate : this.newDate);
+				this.dateIsNew = !this.dateIsNew;
+			});
+		}
+	}
+});
+
+EOT;
+	}
+
+	function head()
+	{
+		echo script($this->prepend);
+	}
+}
\ No newline at end of file
diff --git a/plugins/AdminerReadableTableSize.php b/plugins/AdminerReadableTableSize.php
new file mode 100644
index 0000000..1c23fac
--- /dev/null
+++ b/plugins/AdminerReadableTableSize.php
@@ -0,0 +1,50 @@
+<?php
+
+/** This plugin replaces bytes sizes in tables list with human-readable sizes.
+ * Original sizes are set to the title=""
+ *
+ * @link    https://www.adminer.org/plugins/#use
+ * @author  Anonymous
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
+ * @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
+ */
+
+class AdminerReadableTableSize
+{
+	/** @access protected */
+	var $prepend;
+
+	function __construct()
+	{
+		$this->prepend = <<<EOT
+function AdminerReadableTableSizeConvert(a,b){if(0==a)return"0 Bytes";var c=1024,d=b||2,e=["Bytes","KB","MB","GB","TB","PB","EB","ZB","YB"],f=Math.floor(Math.log(a)/Math.log(c));return parseFloat((a/Math.pow(c,f)).toFixed(d))+" "+e[f]}
+function AdminerReadableTableSize(field) {
+	var rows = document.querySelectorAll('[id*="'+field+'"]');
+	for (var i = 0; i < rows.length; i++) {
+		var row = rows[i];
+		var bytes = row.innerText.replace(/,/g, '');
+		var sized = '-';
+		if (bytes > 0) {
+			sized = AdminerReadableTableSizeConvert(bytes, 2);
+		}
+		row.title = row.title+' [' + row.innerText + ' Bytes]';
+		row.innerText = sized;
+	}
+}
+document.addEventListener('DOMContentLoaded', function(event) {
+	setTimeout(function() {
+		AdminerReadableTableSize('Data_length');
+		AdminerReadableTableSize('Index_length');
+		AdminerReadableTableSize('Data_free');
+	}, 500);
+});
+
+EOT;
+	}
+
+	function head()
+	{
+		echo script($this->prepend);
+	}
+
+}