diff --git a/README.md b/README.md
index f2e5392..a89bf0e 100644
--- a/README.md
+++ b/README.md
@@ -12,13 +12,13 @@ Ideally, importing single sheets of csv or excel should be just a matter of chan
 OpenSpout: fast csv and excel import/export
 https://github.com/openspout/openspout
 
-League CSV: very fast csv import/export
+League CSV: very fast csv import/export. Can read streams.
 https://github.com/thephpleague/csv
 
 PhpSpreadsheet: slow excel (xls and xlsx) and csv import/export, but more features
 https://github.com/PHPOffice/PhpSpreadsheet
 
-Native php: very fast csv import/export, but limited features
+Native php: very fast csv import/export, but limited features. Can read streams.
 
 SimpleXLSX: very fast excel import/export
 https://github.com/shuchkin/simplexlsx
@@ -47,7 +47,9 @@ foreach(SpreadCompat::read('myfile.csv') as $row) {
 }
 ```
 
-## Using named arguments
+## Configure
+
+### Using named arguments
 
 This package accepts options using ...opts, this means you can freely use named arguments or pass an array.
 
@@ -58,6 +60,16 @@ $data = iterator_to_array(SpreadCompat::read('myfile.csv', assoc: true));
 $data = iterator_to_array(SpreadCompat::read('myfile.csv', ...$opts));
 ```
 
+### Using options object
+
+You can also use the `Options` class that regroups all available options for all adapters. Unsupported options are ignored.
+
+```php
+$options = new Options();
+$options->separator = ";";
+$data = iterator_to_array(SpreadCompat::read('myfile.csv', $options));
+```
+
 ## Worksheets
 
 This package supports only 1 worksheet, as it is meant to be able to replace csv by xlsx or vice versa
diff --git a/src/Common/Configure.php b/src/Common/Configure.php
new file mode 100644
index 0000000..2a6f390
--- /dev/null
+++ b/src/Common/Configure.php
@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LeKoala\SpreadCompat\Common;
+
+use Exception;
+
+trait Configure
+{
+    public function configure(...$opts): void
+    {
+        foreach ($opts as $k => $v) {
+            // It's an Options class
+            if ($v instanceof Options) {
+                $this->configure(...get_object_vars($v));
+                return;
+            }
+            // If you passed the array directly instead of ...$opts
+            if (is_numeric($k)) {
+                throw new Exception("Invalid key");
+            }
+            // Ignore invalid properties for this adapter
+            if (!property_exists($this, $k)) {
+                continue;
+            }
+            $this->$k = $v;
+        }
+    }
+}
diff --git a/src/Common/Options.php b/src/Common/Options.php
new file mode 100644
index 0000000..2ee021d
--- /dev/null
+++ b/src/Common/Options.php
@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LeKoala\SpreadCompat\Common;
+
+class Options
+{
+    use Configure;
+
+    // Common
+    public bool $assoc = false;
+    /**
+     * @var string[]
+     */
+    public array $headers = [];
+
+    // Csv only
+    public string $separator = ",";
+    public string $enclosure = "\"";
+    public string $escape = "\\";
+    public string $eol = "\n";
+    public ?string $inputEncoding = null;
+    public ?string $outputEncoding = null;
+    public bool $bom = true;
+
+    // Excel only
+    public ?string $creator = null;
+    public ?string $autofilter = null;
+    public ?string $freezePane = null;
+
+    public function __construct(...$opts)
+    {
+        if (!empty($opts)) {
+            $this->configure(...$opts);
+        }
+    }
+}
diff --git a/src/Csv/CsvAdapter.php b/src/Csv/CsvAdapter.php
index d876d66..6858852 100644
--- a/src/Csv/CsvAdapter.php
+++ b/src/Csv/CsvAdapter.php
@@ -4,11 +4,13 @@
 
 namespace LeKoala\SpreadCompat\Csv;
 
-use Exception;
+use LeKoala\SpreadCompat\Common\Configure;
 use LeKoala\SpreadCompat\SpreadInterface;
 
 abstract class CsvAdapter implements SpreadInterface
 {
+    use Configure;
+
     public string $separator = ",";
     public string $enclosure = "\"";
     public string $escape = "\\";
@@ -37,17 +39,4 @@ public function getOutputEncoding(): ?string
         }
         return null;
     }
-
-    public function configure(...$opts): void
-    {
-        foreach ($opts as $k => $v) {
-            if (is_numeric($k)) {
-                throw new Exception("Invalid key");
-            }
-            if (!property_exists($this, $k)) {
-                continue;
-            }
-            $this->$k = $v;
-        }
-    }
 }
diff --git a/src/Csv/League.php b/src/Csv/League.php
index 0959526..1a484b9 100644
--- a/src/Csv/League.php
+++ b/src/Csv/League.php
@@ -52,6 +52,13 @@ public function readString(
         yield from $this->read($csv);
     }
 
+    public function readStream($stream, ...$opts): Generator
+    {
+        $this->configure(...$opts);
+        $csv = Reader::createFromStream($stream);
+        yield from $this->read($csv);
+    }
+
     public function readFile(
         string $filename,
         ...$opts
diff --git a/src/Csv/Native.php b/src/Csv/Native.php
index 960576d..c2e76b4 100644
--- a/src/Csv/Native.php
+++ b/src/Csv/Native.php
@@ -43,15 +43,12 @@ public function readString(
         }
     }
 
-    public function readFile(
-        string $filename,
-        ...$opts
-    ): Generator {
+    /**
+     * @param resource $stream
+     */
+    public function readStream($stream, ...$opts): Generator
+    {
         $this->configure(...$opts);
-        $stream = fopen($filename, 'r');
-        if (!$stream) {
-            throw new RuntimeException("Failed to read stream");
-        }
         if (fgets($stream, 4) !== self::BOM) {
             // bom not found - rewind pointer to start of file.
             rewind($stream);
@@ -73,6 +70,17 @@ public function readFile(
         }
     }
 
+    public function readFile(
+        string $filename,
+        ...$opts
+    ): Generator {
+        $stream = fopen($filename, 'r');
+        if (!$stream) {
+            throw new RuntimeException("Failed to read stream");
+        }
+        yield from $this->readStream($stream, ...$opts);
+    }
+
     /**
      * @param resource $stream
      * @param iterable $data
diff --git a/src/Csv/OpenSpout.php b/src/Csv/OpenSpout.php
index c4dde0e..b1df259 100644
--- a/src/Csv/OpenSpout.php
+++ b/src/Csv/OpenSpout.php
@@ -4,6 +4,7 @@
 
 namespace LeKoala\SpreadCompat\Csv;
 
+use Exception;
 use Generator;
 use LeKoala\SpreadCompat\SpreadCompat;
 use RuntimeException;
@@ -56,6 +57,12 @@ public function readFile(
         $reader->close();
     }
 
+    public function readStream(): Generator
+    {
+        //@link https://github.com/openspout/openspout/issues/71
+        throw new Exception("OpenSpout doesn't support streams");
+    }
+
     protected function getWriter(): Writer
     {
         $options = new \OpenSpout\Writer\CSV\Options();
diff --git a/src/Csv/PhpSpreadsheet.php b/src/Csv/PhpSpreadsheet.php
index 80b8076..5dfa2de 100644
--- a/src/Csv/PhpSpreadsheet.php
+++ b/src/Csv/PhpSpreadsheet.php
@@ -5,7 +5,6 @@
 namespace LeKoala\SpreadCompat\Csv;
 
 use Generator;
-use RuntimeException;
 use LeKoala\SpreadCompat\SpreadCompat;
 use PhpOffice\PhpSpreadsheet\Spreadsheet;
 use PhpOffice\PhpSpreadsheet\Reader\Csv as ReaderCsv;
diff --git a/src/SpreadCompat.php b/src/SpreadCompat.php
index aee6124..176fdc9 100644
--- a/src/SpreadCompat.php
+++ b/src/SpreadCompat.php
@@ -6,6 +6,7 @@
 
 use Exception;
 use Generator;
+use InvalidArgumentException;
 use RuntimeException;
 
 /**
@@ -27,11 +28,8 @@ class SpreadCompat
     public static ?string $preferredCsvAdapter = null;
     public static ?string $preferredXslxAdapter = null;
 
-    public static function getAdapterName(string $filename, string $ext = null): string
+    public static function getAdapterName(string $ext): string
     {
-        if ($ext === null) {
-            $ext = pathinfo($filename, PATHINFO_EXTENSION);
-        }
         $ext = strtolower($ext);
 
         // Legacy xls is only supported by PhpSpreadsheet
@@ -39,11 +37,10 @@ public static function getAdapterName(string $filename, string $ext = null): str
             if (class_exists(\PhpOffice\PhpSpreadsheet\Worksheet\Row::class)) {
                 return self::PHP_SPREADSHEET;
             }
-            throw new Exception("No adapter found for xls");
         }
 
         if ($ext === self::EXT_CSV) {
-            if (self::$preferredCsvAdapter) {
+            if (self::$preferredCsvAdapter !== null) {
                 return self::$preferredCsvAdapter;
             }
             if (class_exists(\League\Csv\Reader::class)) {
@@ -58,7 +55,7 @@ public static function getAdapterName(string $filename, string $ext = null): str
         }
 
         if ($ext === self::EXT_XLSX) {
-            if (self::$preferredXslxAdapter) {
+            if (self::$preferredXslxAdapter !== null) {
                 return self::$preferredXslxAdapter;
             }
             if (class_exists(\Shuchkin\SimpleXLSX::class)) {
@@ -75,20 +72,25 @@ public static function getAdapterName(string $filename, string $ext = null): str
         throw new Exception("No adapter found for $ext");
     }
 
-    public static function getAdapter(string $filename, string $ext = null): SpreadInterface
+    public static function getAdapter(string $ext): SpreadInterface
     {
-        if ($ext === null) {
-            $ext = pathinfo($filename, PATHINFO_EXTENSION);
-        }
         $ext = ucfirst($ext);
-        $name = self::getAdapterName($filename, $ext);
+        $name = self::getAdapterName($ext);
         $class = 'LeKoala\\SpreadCompat\\' . $ext . '\\' . $name;
         if (!class_exists($class)) {
-            throw new Exception("Invalid adapter $class for $filename");
+            throw new Exception("Invalid adapter $class");
         }
         return new ($class);
     }
 
+    public static function getAdapterForFile(string $filename, string $ext = null): SpreadInterface
+    {
+        if ($ext === null) {
+            $ext = pathinfo($filename, PATHINFO_EXTENSION);
+        }
+        return self::getAdapter($ext);
+    }
+
     public static function getTempFilename(): string
     {
         $file = tmpfile();
@@ -104,10 +106,25 @@ public static function read(
         ...$opts
     ): Generator {
         $ext = $opts['extension'] ?? null;
-        if ($ext) {
-            unset($opts['extension']);
+        return static::getAdapterForFile($filename, $ext)->readFile($filename, ...$opts);
+    }
+
+    public static function readString(
+        string $contents,
+        string $ext = null,
+        ...$opts
+    ): Generator {
+        $ext = $opts['extension'] ?? $ext;
+        if ($ext === null) {
+            // Try to determine based on contents
+            // Expect csv to be all printable chars
+            if (ctype_print($contents)) {
+                $ext = self::EXT_CSV;
+            } else {
+                $ext = self::EXT_XLSX;
+            }
         }
-        return static::getAdapter($filename, $ext)->readFile($filename, ...$opts);
+        return static::getAdapter($ext)->readString($contents, ...$opts);
     }
 
     public static function write(
@@ -116,10 +133,7 @@ public static function write(
         ...$opts
     ): bool {
         $ext = $opts['extension'] ?? null;
-        if ($ext) {
-            unset($opts['extension']);
-        }
-        return static::getAdapter($filename, $ext)->writeFile($data, $filename, ...$opts);
+        return static::getAdapterForFile($filename, $ext)->writeFile($data, $filename, ...$opts);
     }
 
     public static function output(
@@ -128,9 +142,6 @@ public static function output(
         ...$opts
     ): void {
         $ext = $opts['extension'] ?? null;
-        if ($ext) {
-            unset($opts['extension']);
-        }
-        static::getAdapter($filename, $ext)->output($data, $filename, ...$opts);
+        static::getAdapterForFile($filename, $ext)->output($data, $filename, ...$opts);
     }
 }
diff --git a/src/Xls/XlsAdapter.php b/src/Xls/XlsAdapter.php
index 8d8bd77..2238744 100644
--- a/src/Xls/XlsAdapter.php
+++ b/src/Xls/XlsAdapter.php
@@ -4,26 +4,15 @@
 
 namespace LeKoala\SpreadCompat\Xls;
 
-use Exception;
+use LeKoala\SpreadCompat\Common\Configure;
 use LeKoala\SpreadCompat\SpreadInterface;
 
 abstract class XlsAdapter implements SpreadInterface
 {
+    use Configure;
+
     public bool $assoc = false;
     public ?string $creator = null;
     public ?string $autofilter = null;
     public ?string $freezePane = null;
-
-    public function configure(...$opts): void
-    {
-        foreach ($opts as $k => $v) {
-            if (is_numeric($k)) {
-                throw new Exception("Invalid key");
-            }
-            if (!property_exists($this, $k)) {
-                continue;
-            }
-            $this->$k = $v;
-        }
-    }
 }
diff --git a/src/Xlsx/XlsxAdapter.php b/src/Xlsx/XlsxAdapter.php
index c2ad7e6..1271724 100644
--- a/src/Xlsx/XlsxAdapter.php
+++ b/src/Xlsx/XlsxAdapter.php
@@ -4,26 +4,15 @@
 
 namespace LeKoala\SpreadCompat\Xlsx;
 
-use Exception;
+use LeKoala\SpreadCompat\Common\Configure;
 use LeKoala\SpreadCompat\SpreadInterface;
 
 abstract class XlsxAdapter implements SpreadInterface
 {
+    use Configure;
+
     public bool $assoc = false;
     public ?string $creator = null;
     public ?string $autofilter = null;
     public ?string $freezePane = null;
-
-    public function configure(...$opts): void
-    {
-        foreach ($opts as $k => $v) {
-            if (is_numeric($k)) {
-                throw new Exception("Invalid key");
-            }
-            if (!property_exists($this, $k)) {
-                continue;
-            }
-            $this->$k = $v;
-        }
-    }
 }
diff --git a/tests/SpreadCompatCommonTest.php b/tests/SpreadCompatCommonTest.php
new file mode 100644
index 0000000..09637cb
--- /dev/null
+++ b/tests/SpreadCompatCommonTest.php
@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LeKoala\SpreadCompat\Tests;
+
+use LeKoala\SpreadCompat\Common\Options;
+use LeKoala\SpreadCompat\Csv\Native;
+use LeKoala\SpreadCompat\SpreadCompat;
+use PHPUnit\Framework\TestCase;
+
+class SpreadCompatCommonTest extends TestCase
+{
+    public function testCanUseOptions()
+    {
+        $options = new Options();
+        $options->separator = ";";
+        $csv = new Native();
+        $csv->configure($options);
+        $this->assertEquals(";", $csv->separator);
+    }
+
+    public function testCanUseNamedArguments()
+    {
+        $csv = new Native();
+        $csv->configure(separator: ";");
+        $this->assertEquals(";", $csv->separator);
+    }
+
+    public function testCanUseArray()
+    {
+        $csv = new Native();
+        $csv->configure(...["separator" => ";"]);
+        $this->assertEquals(";", $csv->separator);
+    }
+
+    public function testCanReadContents()
+    {
+        // Extension is determined based on content
+        $csvBom = file_get_contents(__DIR__ . '/data/bom.csv');
+        $csvBomData = SpreadCompat::readString($csvBom);
+        $csv = file_get_contents(__DIR__ . '/data/basic.csv');
+        $csvData = SpreadCompat::readString($csv);
+        $xlsx = file_get_contents(__DIR__ . '/data/basic.xlsx');
+        $xlsxData = SpreadCompat::readString($xlsx);
+
+        $this->assertEquals($csvData, $csvBomData);
+        $this->assertEquals($csvData, $xlsxData);
+        $this->assertEquals($csvBomData, $xlsxData);
+    }
+}
diff --git a/tests/SpreadCompatCsvTest.php b/tests/SpreadCompatCsvTest.php
index 2626ed8..7fe4cca 100644
--- a/tests/SpreadCompatCsvTest.php
+++ b/tests/SpreadCompatCsvTest.php
@@ -144,6 +144,13 @@ public function testLeagueCanWriteCsv()
         ]);
         $expected = file_get_contents(__DIR__ . '/data/separator.csv');
         $this->assertEquals($expected, $string);
+
+        $native = new League();
+        $stream = fopen(__DIR__ . '/data/headers.csv', 'r');
+        $data = iterator_to_array($native->readStream($stream, assoc: true));
+        $this->assertCount(1, $data);
+        $this->assertCount(3, $data[0]);
+        $this->assertArrayHasKey('email', $data[0]);
     }
 
     public function testNativeCanReadCsv()
@@ -172,6 +179,13 @@ public function testNativeCanReadCsv()
         $this->assertCount(1, $data);
         $this->assertCount(3, $data[0]);
         $this->assertArrayHasKey('email', $data[0]);
+
+        $native = new Native();
+        $stream = fopen(__DIR__ . '/data/headers.csv', 'r');
+        $data = iterator_to_array($native->readStream($stream, assoc: true));
+        $this->assertCount(1, $data);
+        $this->assertCount(3, $data[0]);
+        $this->assertArrayHasKey('email', $data[0]);
     }
 
     public function testNativeCanWriteCsv()
diff --git a/tests/SpreadCompatXlsTest.php b/tests/SpreadCompatXlsTest.php
index cc2097a..854f019 100644
--- a/tests/SpreadCompatXlsTest.php
+++ b/tests/SpreadCompatXlsTest.php
@@ -12,7 +12,7 @@ class SpreadCompatXlsTest extends TestCase
 {
     public function testFacadeCanReadXls()
     {
-        $adapter = SpreadCompat::getAdapterName(__DIR__ . '/data/basic.xls');
+        $adapter = SpreadCompat::getAdapterName('xls');
         $this->assertEquals("PhpSpreadsheet", $adapter);
 
         $data = iterator_to_array(SpreadCompat::read(__DIR__ . '/data/basic.xls'));