diff --git a/src/ClientContextInterface.php b/src/ClientContextInterface.php
index b24cf198..5e9407d9 100644
--- a/src/ClientContextInterface.php
+++ b/src/ClientContextInterface.php
@@ -106,6 +106,7 @@ use Predis\Command\CommandInterface;
  * @method $this jsonobjlen(string $key, string $path = '$')
  * @method $this jsonset(string $key, string $path, string $value, ?string $subcommand = null)
  * @method $this jsonstrappend(string $key, string $path, string $value)
+ * @method $this jsonstrlen(string $key, string $path = '$')
  * @method $this blmove(string $source, string $destination, string $where, string $to, int $timeout)
  * @method $this blpop(array|string $keys, $timeout)
  * @method $this brpop(array|string $keys, $timeout)
diff --git a/src/ClientInterface.php b/src/ClientInterface.php
index 13c5d1ef..0fbb7725 100644
--- a/src/ClientInterface.php
+++ b/src/ClientInterface.php
@@ -115,6 +115,7 @@ use Predis\Response\Status;
  * @method array             jsonobjlen(string $key, string $path = '$')
  * @method string            jsonset(string $key, string $path, string $value, ?string $subcommand = null)
  * @method array             jsonstrappend(string $key, string $path, string $value)
+ * @method array             jsonstrlen(string $key, string $path = '$')
  * @method string            blmove(string $source, string $destination, string $where, string $to, int $timeout)
  * @method array|null        blpop(array|string $keys, int|float $timeout)
  * @method array|null        brpop(array|string $keys, int|float $timeout)
diff --git a/src/Command/Redis/Json/JSONSTRLEN.php b/src/Command/Redis/Json/JSONSTRLEN.php
new file mode 100644
index 00000000..92ed80d3
--- /dev/null
+++ b/src/Command/Redis/Json/JSONSTRLEN.php
@@ -0,0 +1,28 @@
+<?php
+
+/*
+ * This file is part of the Predis package.
+ *
+ * (c) 2009-2020 Daniele Alessandri
+ * (c) 2021-2023 Till Krüss
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Predis\Command\Redis\Json;
+
+use Predis\Command\Command as RedisCommand;
+
+/**
+ * @see https://redis.io/commands/json.strlen/
+ *
+ * Report the length of the JSON String at path in key
+ */
+class JSONSTRLEN extends RedisCommand
+{
+    public function getId()
+    {
+        return 'JSON.STRLEN';
+    }
+}
diff --git a/tests/Predis/Command/Redis/Json/JSONSTRLEN_Test.php b/tests/Predis/Command/Redis/Json/JSONSTRLEN_Test.php
new file mode 100644
index 00000000..5917eadc
--- /dev/null
+++ b/tests/Predis/Command/Redis/Json/JSONSTRLEN_Test.php
@@ -0,0 +1,109 @@
+<?php
+
+/*
+ * This file is part of the Predis package.
+ *
+ * (c) 2009-2020 Daniele Alessandri
+ * (c) 2021-2023 Till Krüss
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Predis\Command\Redis\Json;
+
+use Predis\Command\Redis\PredisCommandTestCase;
+
+class JSONSTRLEN_Test extends PredisCommandTestCase
+{
+    /**
+     * {@inheritDoc}
+     */
+    protected function getExpectedCommand(): string
+    {
+        return JSONSTRLEN::class;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function getExpectedId(): string
+    {
+        return 'JSONSTRLEN';
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testFilterArguments(): void
+    {
+        $arguments = ['key', '$..'];
+        $expected = ['key', '$..'];
+
+        $command = $this->getCommand();
+        $command->setArguments($arguments);
+
+        $this->assertSame($expected, $command->getArguments());
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testParseResponse(): void
+    {
+        $this->assertSame(1, $this->getCommand()->parseResponse(1));
+    }
+
+    /**
+     * @group connected
+     * @dataProvider jsonProvider
+     * @param  array  $jsonArguments
+     * @param  string $key
+     * @param  string $path
+     * @param  array  $expectedStringLength
+     * @return void
+     * @requiresRedisJsonVersion >= 1.0.0
+     */
+    public function testReturnsLengthOfGivenJsonString(
+        array $jsonArguments,
+        string $key,
+        string $path,
+        array $expectedStringLength
+    ): void {
+        $redis = $this->getClient();
+
+        $redis->jsonset(...$jsonArguments);
+
+        $this->assertSame($expectedStringLength, $redis->jsonstrlen($key, $path));
+    }
+
+    public function jsonProvider(): array
+    {
+        return [
+            'on root level' => [
+                ['key', '$', '{"key1":"value1","key2":"value2"}'],
+                'key',
+                '$.key2',
+                [6],
+            ],
+            'on nested level' => [
+                ['key', '$', '{"key1":{"key2":"value2"}}'],
+                'key',
+                '$..key2',
+                [6],
+            ],
+            'on both levels' => [
+                ['key', '$', '{"key1":{"key2":"value2"},"key2":"value2"}'],
+                'key',
+                '$..key2',
+                [6, 6],
+            ],
+            'with non-json string' => [
+                ['key', '$', '{"key1":{"key2":[1,2,3]}}'],
+                'key',
+                '$..key2',
+                [null],
+            ],
+        ];
+    }
+}