diff --git a/src/Snappdf.php b/src/Snappdf.php
index 38f2c00..600b4c1 100644
--- a/src/Snappdf.php
+++ b/src/Snappdf.php
@@ -194,7 +194,7 @@ public function getKeepTemporaryFiles(): bool
         return (bool) $this->keepTemporaryFiles;
     }
 
-    private function cleanup(string $tempFile, array $content): void
+    private function cleanup(string $tempFile, array $content, array $existingChromiumProfiles): void
     {
         if ($this->keepTemporaryFiles) {
             return;
@@ -205,6 +205,28 @@ private function cleanup(string $tempFile, array $content): void
         if ($content['type'] === 'html') {
             unlink($content['content']);
         }
+
+        // Chromium writes its profile (BrowserMetrics-*.pma etc.) into a temp directory
+        // of the form /tmp/.org.chromium.Chromium.<random>. On a clean exit it removes
+        // the directory itself; on an abnormal exit (crash, timeout, killed process) it
+        // is left behind. Remove any we created during this run.
+        $this->removeOrphanedChromiumProfiles($existingChromiumProfiles);
+    }
+
+    /**
+     * Remove Chromium temp profile directories that did not exist before this run.
+     *
+     * @param string[] $existingProfiles Directories present before the browser started.
+     */
+    private function removeOrphanedChromiumProfiles(array $existingProfiles): void
+    {
+        $filesystem = new Filesystem();
+
+        foreach (glob(sys_get_temp_dir() . DIRECTORY_SEPARATOR . '.org.chromium.Chromium.*') as $profile) {
+            if (!in_array($profile, $existingProfiles, true)) {
+                $filesystem->remove($profile);
+            }
+        }
     }
 
     public function generate(): ?string
@@ -235,6 +257,8 @@ public function generate(): ?string
         $pdf = tempnam(sys_get_temp_dir(), 'pdf_');
         rename($pdf, $pdf .= '.pdf');
 
+        $existingChromiumProfiles = glob(sys_get_temp_dir() . DIRECTORY_SEPARATOR . '.org.chromium.Chromium.*') ?: [];
+
         $commandInput = [$this->getChromiumPath()];
 
         foreach ($this->getChromiumArguments() as $argument) {
@@ -261,7 +285,7 @@ public function generate(): ?string
 
         $pdfContent = file_get_contents($pdf);
 
-        $this->cleanup($pdf, $content);
+        $this->cleanup($pdf, $content, $existingChromiumProfiles);
 
         return $pdfContent;
     }
diff --git a/tests/SnappdfTest.php b/tests/SnappdfTest.php
index 16e5ca1..f6211df 100644
--- a/tests/SnappdfTest.php
+++ b/tests/SnappdfTest.php
@@ -5,6 +5,7 @@
 use Beganovich\Snappdf\Exception\MissingContent;
 use Beganovich\Snappdf\Snappdf;
 use PHPUnit\Framework\TestCase;
+use Symfony\Component\Filesystem\Filesystem;
 
 class SnappdfTest extends TestCase
 {
@@ -155,4 +156,30 @@ public function testArgumentCanBeRemoved()
 
         $this->assertEquals($argumentsCount, count($snappdf->getChromiumArguments()) + 1);
     }
+
+    public function testOrphanedChromiumProfilesAreRemovedAfterRun()
+    {
+        $snappdf = new Snappdf();
+
+        $preExisting = sys_get_temp_dir() . DIRECTORY_SEPARATOR . '.org.chromium.Chromium.PREEXISTING';
+        $orphan = sys_get_temp_dir() . DIRECTORY_SEPARATOR . '.org.chromium.Chromium.ORPHANED';
+
+        $filesystem = new Filesystem();
+        $filesystem->mkdir($preExisting);
+        $filesystem->touch($preExisting . '/keep.txt');
+        $filesystem->mkdir($orphan);
+
+        try {
+            // Chromium snapshots the profiles present before the run; an orphan created
+            // during the run (abnormal exit) is absent from that snapshot and must go.
+            $removeOrphaned = new \ReflectionMethod($snappdf, 'removeOrphanedChromiumProfiles');
+            $removeOrphaned->invoke($snappdf, [$preExisting]);
+
+            $this->assertTrue(is_dir($preExisting), 'Pre-existing .org.chromium profile must be preserved.');
+            $this->assertFalse(is_dir($orphan), 'Orphaned profile from this run must be removed.');
+        } finally {
+            $filesystem->remove($preExisting);
+            $filesystem->remove($orphan);
+        }
+    }
 }