diff --git a/.php-cs-fixer.php b/.php-cs-fixer.php
index 39974f827a..0a02c452d6 100644
--- a/.php-cs-fixer.php
+++ b/.php-cs-fixer.php
@@ -4,7 +4,8 @@
     ->exclude('assets')
     ->exclude('utils')
     ->in(__DIR__)
-    ->name('*.phtml');
+    ->name('*.phtml')
+    ->name('selfoss');
 
 $rules = [
     '@Symfony' => true,
diff --git a/bin/selfoss b/bin/selfoss
new file mode 100755
index 0000000000..aec9f7b940
--- /dev/null
+++ b/bin/selfoss
@@ -0,0 +1,20 @@
+#!/usr/bin/env php
+<?php
+
+require __DIR__ . '/../src/common.php';
+
+use Commands\Database\ExportCommand as DatabaseExportCommand;
+use Commands\Database\ImportCommand as DatabaseImportCommand;
+use Monolog\Handler\StreamHandler;
+use Symfony\Component\Console\Application;
+
+$application = new Application();
+
+$log->popHandler();
+$handler = new StreamHandler('php://stderr');
+$log->pushHandler($handler);
+
+$application->add($dice->create(DatabaseExportCommand::class));
+$application->add($dice->create(DatabaseImportCommand::class));
+
+$application->run();
diff --git a/composer.json b/composer.json
index 5e8b66e638..93cbdfd5d7 100644
--- a/composer.json
+++ b/composer.json
@@ -22,6 +22,7 @@
         "php-http/guzzle6-adapter": "^1.0",
         "simplepie/simplepie": "^1.3",
         "smottt/wideimage": "^1.1",
+        "symfony/console": "^3.4",
         "violet/streaming-json-encoder": "^1.1",
         "willwashburn/phpamo": "^1.0"
     },
@@ -39,6 +40,7 @@
     ],
     "autoload": {
         "psr-4": {
+            "Commands\\": "src/Commands/",
             "controllers\\": "src/controllers/",
             "daos\\": "src/daos/",
             "helpers\\": "src/helpers/",
diff --git a/composer.lock b/composer.lock
index 484bc1a6af..a7b98ed84f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "8b4e7b3be490c10b0bd0c4d63df28d61",
+    "content-hash": "4a5de52ba0c4702029fecf2d24acd6f2",
     "packages": [
         {
             "name": "bcosca/fatfree-core",
@@ -2209,6 +2209,158 @@
             },
             "time": "2021-01-09T15:26:41+00:00"
         },
+        {
+            "name": "symfony/console",
+            "version": "v3.4.47",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/console.git",
+                "reference": "a10b1da6fc93080c180bba7219b5ff5b7518fe81"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/console/zipball/a10b1da6fc93080c180bba7219b5ff5b7518fe81",
+                "reference": "a10b1da6fc93080c180bba7219b5ff5b7518fe81",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5.9|>=7.0.8",
+                "symfony/debug": "~2.8|~3.0|~4.0",
+                "symfony/polyfill-mbstring": "~1.0"
+            },
+            "conflict": {
+                "symfony/dependency-injection": "<3.4",
+                "symfony/process": "<3.3"
+            },
+            "provide": {
+                "psr/log-implementation": "1.0"
+            },
+            "require-dev": {
+                "psr/log": "~1.0",
+                "symfony/config": "~3.3|~4.0",
+                "symfony/dependency-injection": "~3.4|~4.0",
+                "symfony/event-dispatcher": "~2.8|~3.0|~4.0",
+                "symfony/lock": "~3.4|~4.0",
+                "symfony/process": "~3.3|~4.0"
+            },
+            "suggest": {
+                "psr/log": "For using the console logger",
+                "symfony/event-dispatcher": "",
+                "symfony/lock": "",
+                "symfony/process": ""
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Console\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Console Component",
+            "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/console/tree/v3.4.47"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-10-24T10:57:07+00:00"
+        },
+        {
+            "name": "symfony/debug",
+            "version": "v3.4.47",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/debug.git",
+                "reference": "ab42889de57fdfcfcc0759ab102e2fd4ea72dcae"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/debug/zipball/ab42889de57fdfcfcc0759ab102e2fd4ea72dcae",
+                "reference": "ab42889de57fdfcfcc0759ab102e2fd4ea72dcae",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5.9|>=7.0.8",
+                "psr/log": "~1.0"
+            },
+            "conflict": {
+                "symfony/http-kernel": ">=2.3,<2.3.24|~2.4.0|>=2.5,<2.5.9|>=2.6,<2.6.2"
+            },
+            "require-dev": {
+                "symfony/http-kernel": "~2.8|~3.0|~4.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Debug\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Debug Component",
+            "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/debug/tree/v3.4.47"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-10-24T10:57:07+00:00"
+        },
         {
             "name": "symfony/finder",
             "version": "v3.4.47",
@@ -4717,158 +4869,6 @@
             },
             "time": "2016-10-03T07:35:21+00:00"
         },
-        {
-            "name": "symfony/console",
-            "version": "v3.4.47",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/console.git",
-                "reference": "a10b1da6fc93080c180bba7219b5ff5b7518fe81"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/console/zipball/a10b1da6fc93080c180bba7219b5ff5b7518fe81",
-                "reference": "a10b1da6fc93080c180bba7219b5ff5b7518fe81",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "symfony/debug": "~2.8|~3.0|~4.0",
-                "symfony/polyfill-mbstring": "~1.0"
-            },
-            "conflict": {
-                "symfony/dependency-injection": "<3.4",
-                "symfony/process": "<3.3"
-            },
-            "provide": {
-                "psr/log-implementation": "1.0"
-            },
-            "require-dev": {
-                "psr/log": "~1.0",
-                "symfony/config": "~3.3|~4.0",
-                "symfony/dependency-injection": "~3.4|~4.0",
-                "symfony/event-dispatcher": "~2.8|~3.0|~4.0",
-                "symfony/lock": "~3.4|~4.0",
-                "symfony/process": "~3.3|~4.0"
-            },
-            "suggest": {
-                "psr/log": "For using the console logger",
-                "symfony/event-dispatcher": "",
-                "symfony/lock": "",
-                "symfony/process": ""
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Symfony\\Component\\Console\\": ""
-                },
-                "exclude-from-classmap": [
-                    "/Tests/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony Console Component",
-            "homepage": "https://symfony.com",
-            "support": {
-                "source": "https://github.com/symfony/console/tree/v3.4.47"
-            },
-            "funding": [
-                {
-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2020-10-24T10:57:07+00:00"
-        },
-        {
-            "name": "symfony/debug",
-            "version": "v3.4.47",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/debug.git",
-                "reference": "ab42889de57fdfcfcc0759ab102e2fd4ea72dcae"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/debug/zipball/ab42889de57fdfcfcc0759ab102e2fd4ea72dcae",
-                "reference": "ab42889de57fdfcfcc0759ab102e2fd4ea72dcae",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "psr/log": "~1.0"
-            },
-            "conflict": {
-                "symfony/http-kernel": ">=2.3,<2.3.24|~2.4.0|>=2.5,<2.5.9|>=2.6,<2.6.2"
-            },
-            "require-dev": {
-                "symfony/http-kernel": "~2.8|~3.0|~4.0"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Symfony\\Component\\Debug\\": ""
-                },
-                "exclude-from-classmap": [
-                    "/Tests/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony Debug Component",
-            "homepage": "https://symfony.com",
-            "support": {
-                "source": "https://github.com/symfony/debug/tree/v3.4.47"
-            },
-            "funding": [
-                {
-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2020-10-24T10:57:07+00:00"
-        },
         {
             "name": "symfony/event-dispatcher",
             "version": "v3.4.47",
diff --git a/src/Commands/Database/ExportCommand.php b/src/Commands/Database/ExportCommand.php
new file mode 100644
index 0000000000..879b5d91c5
--- /dev/null
+++ b/src/Commands/Database/ExportCommand.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace Commands\Database;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class ExportCommand extends Command {
+    protected static $defaultName = 'db:export';
+    protected static $defaultDescription = 'Exports the database contents into a JSON file.';
+
+    /** @var \DB\SQL database connection */
+    private $connection;
+
+    public function __construct(\DB\SQL $connection) {
+        $this->connection = $connection;
+
+        parent::__construct();
+    }
+
+    protected function configure() {
+        $this->addArgument('path', InputArgument::REQUIRED, 'Path to file to export the database to.');
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output) {
+        $tags = $this->connection->exec('select * from tags');
+        $sources = $this->connection->exec('select * from sources');
+        $items = $this->connection->exec('select * from items');
+
+        $data = [
+            'schemaVersion' => $this->database->getSchemaVersion(),
+            'tags' => $tags,
+            'sources' => $sources,
+            'items' => $items,
+        ];
+
+        file_put_contents($input->getArgument('path'), json_encode($data));
+    }
+}
diff --git a/src/Commands/Database/ImportCommand.php b/src/Commands/Database/ImportCommand.php
new file mode 100644
index 0000000000..bce089022f
--- /dev/null
+++ b/src/Commands/Database/ImportCommand.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace Commands\Database;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+function insert(\DB\SQL $connection, $table, array $fields, array $data) {
+    $fieldsSql = implode(', ', $fields);
+    $valuesSql = implode(', ', array_map(function($field) {
+        return ":$field";
+    }, $fields));
+    $values = [];
+    foreach ($fields as $field) {
+        $values[":$field"] = $data[$field];
+    }
+
+    $connection->exec("insert into $table($fieldsSql) values($valuesSql)", $values);
+}
+
+class ImportCommand extends Command {
+    protected static $defaultName = 'db:import';
+    protected static $defaultDescription = 'Imports the database contents from a JSON file.';
+
+    /** @var \DB\SQL database connection */
+    private $connection;
+
+    /** @var \daos\Database database object to create the tables */
+    private $database;
+
+    public function __construct(\DB\SQL $connection, \daos\Database $database) {
+        $this->connection = $connection;
+        $this->database = $database;
+
+        parent::__construct();
+    }
+
+    protected function configure() {
+        $this->addArgument('path', InputArgument::REQUIRED, 'Path to file to import the database from.');
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output) {
+        $data = json_decode(file_get_contents($input->getArgument('path')), true);
+
+        $currentDbSchemaVersion = $this->database->getSchemaVersion();
+
+        if ($data['schemaVersion'] !== $currentDbSchemaVersion) {
+            $output->writeln('<comment>The database schema version of the current selfoss installation does not match the installation the data was exported from, which may cause issues. For best compatibility, upgrade ' . ($data['schemaVersion'] < $currentDbSchemaVersion ? 'the source selfoss' : 'this selfoss') . ' installation before importing.</comment>');
+        }
+
+        foreach ($data['tags'] as $tag) {
+            insert($this->connection, 'tags', ['tag', 'color'], $tag);
+        }
+
+        foreach ($data['sources'] as $source) {
+            insert($this->connection, 'sources', ['id', 'title', 'tags', 'filter', 'spout', 'params', 'error', 'lastupdate', 'lastentry'], $source);
+        }
+
+        foreach ($data['items'] as $item) {
+            insert($this->connection, 'items', ['id', 'datetime', 'title', 'content', 'thumbnail', 'icon', 'unread', 'starred', 'source', 'uid', 'link', 'updatetime', 'author', 'shared', 'lastseen'], $item);
+        }
+    }
+}