diff --git a/databox/api/config/services.yaml b/databox/api/config/services.yaml
index 4c13a3c69..b00efb993 100644
--- a/databox/api/config/services.yaml
+++ b/databox/api/config/services.yaml
@@ -131,3 +131,5 @@ services:
             $decorated: '@.inner'
 
     Alchemy\RenditionFactory\Templating\TemplateResolverInterface: '@App\Asset\Attribute\TemplateResolver'
+
+    App\Validator\ValidRenditionDefinitionConstraintValidator: ~
diff --git a/databox/api/config/validator/validation.yaml b/databox/api/config/validator/validation.yaml
index 240e6e38b..74292be91 100644
--- a/databox/api/config/validator/validation.yaml
+++ b/databox/api/config/validator/validation.yaml
@@ -127,7 +127,6 @@ App\Entity\Core\RenditionDefinition:
           - workspace
           - class.workspace
           - parent.workspace
-    - App\Validator\ValidRenditionDefinitionConstraint: ~
   properties:
     class:
       - NotNull: ~
@@ -177,8 +176,8 @@ App\Entity\Core\Tag:
         errorPath: name
 
 App\Entity\Integration\WorkspaceIntegration:
-    constraints:
-        - App\Validator\ValidIntegrationOptionsConstraint: ~
+  constraints:
+    - App\Validator\ValidIntegrationOptionsConstraint: ~
 
 App\Entity\Integration\IntegrationData:
   properties:
diff --git a/databox/api/src/Command/DocumentationDumperCommand.php b/databox/api/src/Command/DocumentationDumperCommand.php
index d08905d68..6d28742b0 100644
--- a/databox/api/src/Command/DocumentationDumperCommand.php
+++ b/databox/api/src/Command/DocumentationDumperCommand.php
@@ -8,14 +8,14 @@
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
-use Alchemy\RenditionFactory\DocumentationDumper as RenditionFactoryDocumentationDumper;
+use Alchemy\RenditionFactory\RenditionBuilderConfigurationDocumentation;
 
 
 #[AsCommand('app:documentation:dump')]
 class DocumentationDumperCommand extends Command
 {
     public function __construct(
-        private readonly RenditionFactoryDocumentationDumper $renditionFactoryDocumentationDumper,
+        private readonly RenditionBuilderConfigurationDocumentation $renditionBuilderConfigurationDocumentation,
     )
     {
         parent::__construct();
@@ -24,16 +24,12 @@ public function __construct(
     protected function configure(): void
     {
         parent::configure();
-
-        $this
-            ->setName('app:documentation:dump')
-        ;
     }
 
     protected function execute(InputInterface $input, OutputInterface $output): int
     {
-        $output->writeln('# ' . $this->renditionFactoryDocumentationDumper::getName());
-        $output->writeln($this->renditionFactoryDocumentationDumper->dump());
+        $output->writeln('# ' . $this->renditionBuilderConfigurationDocumentation::getName());
+        $output->writeln($this->renditionBuilderConfigurationDocumentation->generate());
 
         return 0;
     }
diff --git a/databox/api/src/Entity/Core/RenditionDefinition.php b/databox/api/src/Entity/Core/RenditionDefinition.php
index e0231b57c..d0df77b6b 100644
--- a/databox/api/src/Entity/Core/RenditionDefinition.php
+++ b/databox/api/src/Entity/Core/RenditionDefinition.php
@@ -5,6 +5,8 @@
 namespace App\Entity\Core;
 
 use Alchemy\CoreBundle\Entity\AbstractUuidEntity;
+use Alchemy\CoreBundle\Entity\Traits\CreatedAtTrait;
+use Alchemy\CoreBundle\Entity\Traits\UpdatedAtTrait;
 use ApiPlatform\Metadata\ApiProperty;
 use ApiPlatform\Metadata\ApiResource;
 use ApiPlatform\Metadata\Delete;
@@ -16,10 +18,8 @@
 use App\Api\Model\Input\RenditionDefinitionInput;
 use App\Api\Provider\RenditionDefinitionCollectionProvider;
 use App\Controller\Core\RenditionDefinitionSortAction;
-
-use Alchemy\CoreBundle\Entity\Traits\CreatedAtTrait;
-use Alchemy\CoreBundle\Entity\Traits\UpdatedAtTrait;
 use App\Entity\Traits\WorkspaceTrait;
+use App\Validator as CustomAssert;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection as DoctrineCollection;
 use Doctrine\DBAL\Types\Types;
@@ -153,6 +153,7 @@ class RenditionDefinition extends AbstractUuidEntity implements \Stringable
     #[Groups([RenditionDefinition::GROUP_LIST, RenditionDefinition::GROUP_READ, RenditionDefinition::GROUP_WRITE])]
     #[ORM\Column(type: Types::TEXT, nullable: true)]
     #[ApiProperty(security: self::GRANT_ADMIN_PROP)]
+    #[CustomAssert\ValidRenditionDefinitionConstraint]
     private ?string $definition = null;
 
     #[Groups([RenditionDefinition::GROUP_READ])]
diff --git a/databox/api/src/Validator/ValidRenditionDefinitionConstraint.php b/databox/api/src/Validator/ValidRenditionDefinitionConstraint.php
index 75b0096e1..ecf01a68c 100644
--- a/databox/api/src/Validator/ValidRenditionDefinitionConstraint.php
+++ b/databox/api/src/Validator/ValidRenditionDefinitionConstraint.php
@@ -6,10 +6,12 @@
 
 use Symfony\Component\Validator\Constraint;
 
+/** @uses ValidRenditionDefinitionConstraintValidator */
+#[\Attribute]
 class ValidRenditionDefinitionConstraint extends Constraint
 {
     public function getTargets(): string|array
     {
-        return self::CLASS_CONSTRAINT;
+        return self::PROPERTY_CONSTRAINT;
     }
 }
diff --git a/databox/api/src/Validator/ValidRenditionDefinitionConstraintValidator.php b/databox/api/src/Validator/ValidRenditionDefinitionConstraintValidator.php
index 0bb44994f..ff74af98b 100644
--- a/databox/api/src/Validator/ValidRenditionDefinitionConstraintValidator.php
+++ b/databox/api/src/Validator/ValidRenditionDefinitionConstraintValidator.php
@@ -4,33 +4,31 @@
 
 namespace App\Validator;
 
-
-use Alchemy\RenditionFactory\Config\Validator;
+use Alchemy\RenditionFactory\Config\buildConfigValidator;
 use Alchemy\RenditionFactory\Config\YamlLoader;
-use App\Entity\Core\RenditionDefinition;
-use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
 use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\ConstraintValidator;
 
 class ValidRenditionDefinitionConstraintValidator extends ConstraintValidator
 {
-    public function __construct(private readonly YamlLoader $yamlLoader, private readonly Validator $validator)
+    /** @uses buildConfigValidator */
+    public function __construct(private readonly YamlLoader $yamlLoader, private readonly buildConfigValidator $validator)
     {
     }
 
     /**
-     * @param RenditionDefinition $value
+     * @param string $value
      * @param ValidRenditionDefinitionConstraint $constraint
      */
     public function validate($value, Constraint $constraint): void
     {
-        if(!($definition = $value->getDefinition())) {
+        if(!$value) {
             return;
         }
         try {
-            $config = $this->yamlLoader->parse($definition);
+            $config = $this->yamlLoader->parse($value);
             $this->validator->validate($config);
-        } catch (\Throwable $e) {
+        } catch (\Exception $e) {
             $this->context
                 ->buildViolation($e->getMessage())
                 ->addViolation();
diff --git a/lib/php/rendition-factory-bundle/Resources/config/services.yaml b/lib/php/rendition-factory-bundle/Resources/config/services.yaml
index 36fff1986..48489bec2 100644
--- a/lib/php/rendition-factory-bundle/Resources/config/services.yaml
+++ b/lib/php/rendition-factory-bundle/Resources/config/services.yaml
@@ -94,6 +94,7 @@ services:
         tags:
             - { name: !php/const Alchemy\RenditionFactory\Transformer\Video\Format\FormatInterface::TAG }
 
+    Alchemy\RenditionFactory\Transformer\Video\Format\OutputFormatsDocumentation: ~
 
     Imagine\Imagick\Imagine: ~
     Imagine\Image\ImagineInterface: '@Imagine\Imagick\Imagine'
@@ -103,8 +104,6 @@ services:
     Alchemy\RenditionFactory\Format\FormatFactory: ~
     Alchemy\RenditionFactory\Config\ModuleOptionsResolver: ~
 
-    Alchemy\RenditionFactory\DocumentationDumper:
-        tags:
-              - { name: 'documentation.dumper' }
+    Alchemy\RenditionFactory\RenditionBuilderConfigurationDocumentation: ~
 
-    Alchemy\RenditionFactory\Config\Validator: ~
+    Alchemy\RenditionFactory\Config\buildConfigValidator: ~
diff --git a/lib/php/rendition-factory/src/Command/ConfigurationValidateCommand.php b/lib/php/rendition-factory/src/Command/ConfigurationValidateCommand.php
index 6d8785b58..c6d3d8d8b 100644
--- a/lib/php/rendition-factory/src/Command/ConfigurationValidateCommand.php
+++ b/lib/php/rendition-factory/src/Command/ConfigurationValidateCommand.php
@@ -4,7 +4,7 @@
 
 namespace Alchemy\RenditionFactory\Command;
 
-use Alchemy\RenditionFactory\Config\Validator;
+use Alchemy\RenditionFactory\Config\buildConfigValidator;
 use Alchemy\RenditionFactory\Config\YamlLoader;
 use Symfony\Component\Console\Attribute\AsCommand;
 use Symfony\Component\Console\Command\Command;
@@ -17,7 +17,7 @@ class ConfigurationValidateCommand extends Command
 {
     public function __construct(
         private readonly YamlLoader $yamlLoader,
-        private readonly Validator $validator,
+        private readonly buildConfigValidator $validator,
     ) {
         parent::__construct();
     }
diff --git a/lib/php/rendition-factory/src/Config/Validator.php b/lib/php/rendition-factory/src/Config/buildConfigValidator.php
similarity index 96%
rename from lib/php/rendition-factory/src/Config/Validator.php
rename to lib/php/rendition-factory/src/Config/buildConfigValidator.php
index 81ee26dcd..3421df9ce 100644
--- a/lib/php/rendition-factory/src/Config/Validator.php
+++ b/lib/php/rendition-factory/src/Config/buildConfigValidator.php
@@ -10,13 +10,12 @@
 use Symfony\Component\DependencyInjection\Attribute\TaggedLocator;
 use Symfony\Component\DependencyInjection\ServiceLocator;
 
-class Validator
+readonly class buildConfigValidator
 {
     public function __construct(
         #[TaggedLocator(TransformerModuleInterface::TAG, defaultIndexMethod: 'getName')]
-        private readonly ServiceLocator $transformers,
+        private ServiceLocator $transformers,
     ) {
-
     }
 
     public function getTransformers(): ServiceLocator
diff --git a/lib/php/rendition-factory/src/DocumentationDumper.php b/lib/php/rendition-factory/src/RenditionBuilderConfigurationDocumentation.php
similarity index 60%
rename from lib/php/rendition-factory/src/DocumentationDumper.php
rename to lib/php/rendition-factory/src/RenditionBuilderConfigurationDocumentation.php
index 5bec29b1b..5ff25d4fc 100644
--- a/lib/php/rendition-factory/src/DocumentationDumper.php
+++ b/lib/php/rendition-factory/src/RenditionBuilderConfigurationDocumentation.php
@@ -4,18 +4,15 @@
 
 use Alchemy\RenditionFactory\Transformer\Documentation;
 use Alchemy\RenditionFactory\Transformer\TransformerModuleInterface;
-use Alchemy\RenditionFactory\Transformer\Video\Format\FormatInterface;
 use Symfony\Component\Config\Definition\Dumper\YamlReferenceDumper;
 use Symfony\Component\DependencyInjection\Attribute\TaggedLocator;
 use Symfony\Component\DependencyInjection\ServiceLocator;
 
-final readonly class DocumentationDumper
+final readonly class RenditionBuilderConfigurationDocumentation
 {
     public function __construct(
         #[TaggedLocator(TransformerModuleInterface::TAG, defaultIndexMethod: 'getName')]
         private ServiceLocator $transformers,
-        #[TaggedLocator(FormatInterface::TAG, defaultIndexMethod: 'getFormat')]
-        private ServiceLocator $formats,
     ) {
     }
 
@@ -24,7 +21,7 @@ public static function getName(): string
         return 'rendition-factory';
     }
 
-    public function dump(): string
+    public function generate(): string
     {
         $text = '';
         foreach ($this->transformers->getProvidedServices() as $transformerName => $transformerFqcn) {
@@ -32,40 +29,6 @@ public function dump(): string
             $transformer = $this->transformers->get($transformerName);
             $text .= $this->getTransformerDocumentation($transformerName, $transformer);
         }
-        $text .= $this->listFormats();
-
-        return $text;
-    }
-
-    private function listFormats(): string
-    {
-        $formats = [];
-        foreach ($this->formats->getProvidedServices() as $formatName => $formatFqcn) {
-            /** @var FormatInterface $format */
-            $format = $this->formats->get($formatName);
-            $family = $format->getFamily()->value;
-            if (!array_key_exists($family, $formats)) {
-                $formats[$family] = [];
-            }
-            $formats[$family][] = $format;
-        }
-        ksort($formats);
-
-        $text = "## Video transformers output `format`s.\n";
-        $text .= "| Family | Format | Mime type | Extensions |\n";
-        $text .= "|-|-|-|-|\n";
-        foreach ($formats as $familyFormats) {
-            $text .= sprintf("| %s ||||\n",
-                $familyFormats[0]->getFamily()->value,
-            );
-            foreach ($familyFormats as $format) {
-                $text .= sprintf("|| %s | %s | %s |\n",
-                    $format->getFormat(),
-                    $format->getMimeType(),
-                    implode(', ', $format->getAllowedExtensions())
-                );
-            }
-        }
 
         return $text;
     }
diff --git a/lib/php/rendition-factory/src/Transformer/TransformerConfigHelper.php b/lib/php/rendition-factory/src/Transformer/TransformerConfigHelper.php
deleted file mode 100644
index d71896ef2..000000000
--- a/lib/php/rendition-factory/src/Transformer/TransformerConfigHelper.php
+++ /dev/null
@@ -1,64 +0,0 @@
-<?php
-
-namespace Alchemy\RenditionFactory\Transformer;
-
-use Symfony\Component\Config\Definition\Builder\TreeBuilder;
-
-class TransformerConfigHelper
-{
-    /** @var Documentation[] */
-    private array $children = [];
-
-    public function __construct(private readonly TreeBuilder $treeBuilder, private readonly string $header = '', private readonly string $footer = '')
-    {
-        $this->children = [];
-    }
-
-    public function addChild(TransformerConfigHelper $child): void
-    {
-        $this->children[] = $child;
-    }
-
-    public function getChildren(): array
-    {
-        return $this->children;
-    }
-
-    public function getHeader(): string
-    {
-        return $this->header;
-    }
-
-    public function getFooter(): string
-    {
-        return $this->footer;
-    }
-
-    /**
-     * helper to create a base tree for a module, including common options.
-     */
-    public static function createBaseTree(string $name): TreeBuilder
-    {
-        $treeBuilder = new TreeBuilder('root');
-        $rootNode = $treeBuilder->getRootNode();
-        // @formatter:off
-        $rootNode
-            ->children()
-                ->scalarNode('module')
-                    ->isRequired()
-                    ->defaultValue($name)
-                ->end()
-                ->scalarNode('description')
-                    ->info('Description of the module action')
-                ->end()
-                ->scalarNode('enabled')
-                    ->defaultTrue()
-                    ->info('Whether to enable this module')
-                ->end()
-            ->end()
-        ;
-        // @formatter:on
-
-        return $treeBuilder;
-    }
-}
diff --git a/lib/php/rendition-factory/src/Transformer/Video/FFMpegTransformerModule.php b/lib/php/rendition-factory/src/Transformer/Video/FFMpegTransformerModule.php
index e803112b2..db6dac5f1 100644
--- a/lib/php/rendition-factory/src/Transformer/Video/FFMpegTransformerModule.php
+++ b/lib/php/rendition-factory/src/Transformer/Video/FFMpegTransformerModule.php
@@ -12,6 +12,14 @@
 use Alchemy\RenditionFactory\Transformer\TransformerModuleInterface;
 use Alchemy\RenditionFactory\Transformer\Video\FFMpeg\Filter\ResizeFilter;
 use Alchemy\RenditionFactory\Transformer\Video\Format\FormatInterface;
+use Alchemy\RenditionFactory\Transformer\Video\Format\MkvFormat;
+use Alchemy\RenditionFactory\Transformer\Video\Format\Mp3Format;
+use Alchemy\RenditionFactory\Transformer\Video\Format\Mpeg4Format;
+use Alchemy\RenditionFactory\Transformer\Video\Format\MpegFormat;
+use Alchemy\RenditionFactory\Transformer\Video\Format\OutputFormatsDocumentation;
+use Alchemy\RenditionFactory\Transformer\Video\Format\QuicktimeFormat;
+use Alchemy\RenditionFactory\Transformer\Video\Format\WavFormat;
+use Alchemy\RenditionFactory\Transformer\Video\Format\WebmFormat;
 use FFMpeg;
 use FFMpeg\Coordinate\TimeCode;
 use FFMpeg\Format\FormatInterface as FFMpegFormatInterface;
@@ -31,6 +39,7 @@
     public function __construct(#[AutowireLocator(FormatInterface::TAG, defaultIndexMethod: 'getFormat')] private ServiceLocator $formats,
         private ModuleOptionsResolver $optionsResolver,
         private ImagineInterface $imagine,
+        private OutputFormatsDocumentation $outputFormatsDocumentation,
     ) {
     }
 
@@ -39,6 +48,19 @@ public static function getName(): string
         return 'ffmpeg';
     }
 
+    private static function getSupportedOutputFormats(): array
+    {
+        return [
+            MkvFormat::getFormat(),
+            Mpeg4Format::getFormat(),
+            MpegFormat::getFormat(),
+            QuicktimeFormat::getFormat(),
+            WebmFormat::getFormat(),
+            WavFormat::getFormat(),
+            Mp3Format::getFormat(),
+        ];
+    }
+
     public function getDocumentation(): Documentation
     {
         $treeBuilder = Documentation::createBaseTree(self::getName());
@@ -48,6 +70,7 @@ public function getDocumentation(): Documentation
             <<<HEADER
             apply filters to a video using FFMpeg.
             HEADER,
+            $this->outputFormatsDocumentation->listFormats(self::getSupportedOutputFormats()).
             <<<FOOTER
             ### List of `ffmpeg` filters:
             FOOTER
@@ -74,7 +97,7 @@ public function buildConfiguration(NodeBuilder $builder): void
             ->arrayNode('options')
                 ->children()
                     ->scalarNode('format')
-                        ->info('output format (see Video transformers output `format`s)')
+                        ->info('output format')
                     ->end()
                     ->scalarNode('extension')
                         ->info('extension of the output file')
@@ -338,7 +361,7 @@ public function transform(InputFileInterface $inputFile, array $options, Transfo
             throw new \InvalidArgumentException('Invalid input file family, should be video');
         }
 
-        $commonArgs = new ModuleCommonArgs($this->formats, $options, $context, $this->optionsResolver);
+        $commonArgs = new ModuleCommonArgs($this->formats, self::getSupportedOutputFormats(), $options, $context, $this->optionsResolver);
 
         if (FamilyEnum::Video === $commonArgs->getOutputFormat()->getFamily()) {
             return $this->doVideo($options, $inputFile, $context, $commonArgs);
diff --git a/lib/php/rendition-factory/src/Transformer/Video/Format/OutputFormatsDocumentation.php b/lib/php/rendition-factory/src/Transformer/Video/Format/OutputFormatsDocumentation.php
new file mode 100644
index 000000000..452af32ba
--- /dev/null
+++ b/lib/php/rendition-factory/src/Transformer/Video/Format/OutputFormatsDocumentation.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace Alchemy\RenditionFactory\Transformer\Video\Format;
+
+use Symfony\Component\DependencyInjection\Attribute\TaggedLocator;
+use Symfony\Component\DependencyInjection\ServiceLocator;
+
+class OutputFormatsDocumentation
+{
+    public function __construct(
+        #[TaggedLocator(FormatInterface::TAG, defaultIndexMethod: 'getFormat')]
+        private readonly ServiceLocator $formats,
+    ) {
+    }
+
+    public function listFormats(array $supportedFormats): string
+    {
+        $formats = [];
+        foreach ($this->formats->getProvidedServices() as $formatName => $formatFqcn) {
+            if (!in_array($formatName, $supportedFormats)) {
+                continue;
+            }
+            /** @var FormatInterface $format */
+            $format = $this->formats->get($formatName);
+            $family = $format->getFamily()->value;
+            if (!array_key_exists($family, $formats)) {
+                $formats[$family] = [];
+            }
+            $formats[$family][] = $format;
+        }
+        ksort($formats);
+
+        $text = "### Supported output `format`s.\n";
+        $text .= "| Family | Format | Mime type | Extensions |\n";
+        $text .= "|-|-|-|-|\n";
+        foreach ($formats as $familyFormats) {
+            $text .= sprintf("| %s ||||\n",
+                $familyFormats[0]->getFamily()->value,
+            );
+            foreach ($familyFormats as $format) {
+                $text .= sprintf("|| %s | %s | %s |\n",
+                    $format->getFormat(),
+                    $format->getMimeType(),
+                    implode(', ', $format->getAllowedExtensions())
+                );
+            }
+        }
+
+        return $text;
+    }
+}
diff --git a/lib/php/rendition-factory/src/Transformer/Video/ModuleCommonArgs.php b/lib/php/rendition-factory/src/Transformer/Video/ModuleCommonArgs.php
index 697536c4c..ece3860ad 100644
--- a/lib/php/rendition-factory/src/Transformer/Video/ModuleCommonArgs.php
+++ b/lib/php/rendition-factory/src/Transformer/Video/ModuleCommonArgs.php
@@ -16,6 +16,7 @@ class ModuleCommonArgs
 
     public function __construct(
         ServiceLocator $formats,
+        array $supportedOutputFormats,
         array $options,
         TransformationContextInterface $context,
         ModuleOptionsResolver $optionsResolver)
@@ -26,7 +27,7 @@ public function __construct(
         if (!$format) {
             throw new \InvalidArgumentException('Missing format');
         }
-        if (!$formats->has($format)) {
+        if (!$formats->has($format) || !in_array($format, $supportedOutputFormats)) {
             throw new \InvalidArgumentException(sprintf('Invalid format %s', $format));
         }
 
diff --git a/lib/php/rendition-factory/src/Transformer/Video/VideoSummaryTransformerModule.php b/lib/php/rendition-factory/src/Transformer/Video/VideoSummaryTransformerModule.php
index 9ea40c2b6..a33f72463 100644
--- a/lib/php/rendition-factory/src/Transformer/Video/VideoSummaryTransformerModule.php
+++ b/lib/php/rendition-factory/src/Transformer/Video/VideoSummaryTransformerModule.php
@@ -11,6 +11,12 @@
 use Alchemy\RenditionFactory\Transformer\Documentation;
 use Alchemy\RenditionFactory\Transformer\TransformerModuleInterface;
 use Alchemy\RenditionFactory\Transformer\Video\Format\FormatInterface;
+use Alchemy\RenditionFactory\Transformer\Video\Format\MkvFormat;
+use Alchemy\RenditionFactory\Transformer\Video\Format\Mpeg4Format;
+use Alchemy\RenditionFactory\Transformer\Video\Format\MpegFormat;
+use Alchemy\RenditionFactory\Transformer\Video\Format\OutputFormatsDocumentation;
+use Alchemy\RenditionFactory\Transformer\Video\Format\QuicktimeFormat;
+use Alchemy\RenditionFactory\Transformer\Video\Format\WebmFormat;
 use FFMpeg;
 use FFMpeg\Coordinate\TimeCode;
 use FFMpeg\Format\VideoInterface;
@@ -26,6 +32,7 @@
     public function __construct(#[AutowireLocator(FormatInterface::TAG, defaultIndexMethod: 'getFormat')] private ServiceLocator $formats,
         private ModuleOptionsResolver $optionsResolver,
         private ImagineInterface $imagine,
+        private OutputFormatsDocumentation $outputFormatsDocumentation,
     ) {
     }
 
@@ -34,6 +41,17 @@ public static function getName(): string
         return 'video_summary';
     }
 
+    private static function getSupportedOutputFormats(): array
+    {
+        return [
+            MkvFormat::getFormat(),
+            Mpeg4Format::getFormat(),
+            MpegFormat::getFormat(),
+            QuicktimeFormat::getFormat(),
+            WebmFormat::getFormat(),
+        ];
+    }
+
     public function getDocumentation(): Documentation
     {
         $treeBuilder = Documentation::createBaseTree(self::getName());
@@ -43,7 +61,8 @@ public function getDocumentation(): Documentation
             $treeBuilder,
             <<<HEADER
             Assemble multiple extracts (clips) of the video.
-            HEADER
+            HEADER,
+            $this->outputFormatsDocumentation->listFormats(self::getSupportedOutputFormats()),
         );
     }
 
@@ -70,7 +89,7 @@ public function buildConfiguration(NodeBuilder $builder): void
                    ->end()
                    ->scalarNode('format')
                         ->isRequired()
-                        ->info('output format (see Video transformers output `format`s)')
+                        ->info('output format')
                         ->example('video-mpeg')
                    ->end()
                     ->scalarNode('extension')
@@ -106,7 +125,7 @@ public function transform(InputFileInterface $inputFile, array $options, Transfo
             throw new \InvalidArgumentException('Invalid input file family, should be video');
         }
 
-        $commonArgs = new ModuleCommonArgs($this->formats, $options, $context, $this->optionsResolver);
+        $commonArgs = new ModuleCommonArgs($this->formats, self::getSupportedOutputFormats(), $options, $context, $this->optionsResolver);
         $outputFormat = $commonArgs->getOutputFormat();
         $format = $outputFormat->getFormat();
 
diff --git a/lib/php/rendition-factory/src/Transformer/Video/VideoToAnimationTransformerModule.php b/lib/php/rendition-factory/src/Transformer/Video/VideoToAnimationTransformerModule.php
index 0cd18d354..36c676da5 100644
--- a/lib/php/rendition-factory/src/Transformer/Video/VideoToAnimationTransformerModule.php
+++ b/lib/php/rendition-factory/src/Transformer/Video/VideoToAnimationTransformerModule.php
@@ -10,7 +10,11 @@
 use Alchemy\RenditionFactory\DTO\OutputFileInterface;
 use Alchemy\RenditionFactory\Transformer\Documentation;
 use Alchemy\RenditionFactory\Transformer\TransformerModuleInterface;
+use Alchemy\RenditionFactory\Transformer\Video\Format\AnimatedGifFormat;
+use Alchemy\RenditionFactory\Transformer\Video\Format\AnimatedPngFormat;
+use Alchemy\RenditionFactory\Transformer\Video\Format\AnimatedWebpFormat;
 use Alchemy\RenditionFactory\Transformer\Video\Format\FormatInterface;
+use Alchemy\RenditionFactory\Transformer\Video\Format\OutputFormatsDocumentation;
 use FFMpeg;
 use Symfony\Component\Config\Definition\Builder\NodeBuilder;
 use Symfony\Component\DependencyInjection\Attribute\AutowireLocator;
@@ -20,6 +24,7 @@
 {
     public function __construct(#[AutowireLocator(FormatInterface::TAG, defaultIndexMethod: 'getFormat')] private ServiceLocator $formats,
         private ModuleOptionsResolver $optionsResolver,
+        private OutputFormatsDocumentation $outputFormatsDocumentation,
     ) {
     }
 
@@ -28,6 +33,15 @@ public static function getName(): string
         return 'video_to_animation';
     }
 
+    private static function getSupportedOutputFormats(): array
+    {
+        return [
+            AnimatedGifFormat::getFormat(),
+            AnimatedPngFormat::getFormat(),
+            AnimatedWebpFormat::getFormat(),
+        ];
+    }
+
     public function getDocumentation(): Documentation
     {
         $treeBuilder = Documentation::createBaseTree(self::getName());
@@ -37,7 +51,8 @@ public function getDocumentation(): Documentation
             $treeBuilder,
             <<<HEADER
             Converts a video to an animated gif / png.
-            HEADER
+            HEADER,
+            $this->outputFormatsDocumentation->listFormats(self::getSupportedOutputFormats()),
         );
     }
 
@@ -82,7 +97,7 @@ public function buildConfiguration(NodeBuilder $builder): void
                     ->end()
                     ->scalarNode('format')
                         ->isRequired()
-                        ->info('output format (see Video transformers output `format`s)')
+                        ->info('output format')
                         ->example('animated-png')
                     ->end()
                     ->scalarNode('extension')
@@ -113,7 +128,7 @@ public function transform(InputFileInterface $inputFile, array $options, Transfo
             throw new \InvalidArgumentException('Invalid input file family, should be video');
         }
 
-        $commonArgs = new ModuleCommonArgs($this->formats, $options, $context, $this->optionsResolver);
+        $commonArgs = new ModuleCommonArgs($this->formats, self::getSupportedOutputFormats(), $options, $context, $this->optionsResolver);
         $outputFormat = $commonArgs->getOutputFormat();
 
         /** @var FFMpeg\Media\Video $video */
diff --git a/lib/php/rendition-factory/src/Transformer/Video/VideoToFrameTransformerModule.php b/lib/php/rendition-factory/src/Transformer/Video/VideoToFrameTransformerModule.php
index 7937bed50..c8f3b31be 100644
--- a/lib/php/rendition-factory/src/Transformer/Video/VideoToFrameTransformerModule.php
+++ b/lib/php/rendition-factory/src/Transformer/Video/VideoToFrameTransformerModule.php
@@ -11,6 +11,8 @@
 use Alchemy\RenditionFactory\Transformer\Documentation;
 use Alchemy\RenditionFactory\Transformer\TransformerModuleInterface;
 use Alchemy\RenditionFactory\Transformer\Video\Format\FormatInterface;
+use Alchemy\RenditionFactory\Transformer\Video\Format\JpegFormat;
+use Alchemy\RenditionFactory\Transformer\Video\Format\OutputFormatsDocumentation;
 use FFMpeg\Media\Video;
 use Symfony\Component\Config\Definition\Builder\NodeBuilder;
 use Symfony\Component\DependencyInjection\Attribute\AutowireLocator;
@@ -20,6 +22,7 @@
 {
     public function __construct(#[AutowireLocator(FormatInterface::TAG, defaultIndexMethod: 'getFormat')] private ServiceLocator $formats,
         private ModuleOptionsResolver $optionsResolver,
+        private OutputFormatsDocumentation $outputFormatsDocumentation,
     ) {
     }
 
@@ -28,6 +31,11 @@ public static function getName(): string
         return 'video_to_frame';
     }
 
+    private static function getSupportedOutputFormats(): array
+    {
+        return [JpegFormat::getFormat()];
+    }
+
     public function getDocumentation(): Documentation
     {
         $treeBuilder = Documentation::createBaseTree(self::getName());
@@ -37,7 +45,8 @@ public function getDocumentation(): Documentation
             $treeBuilder,
             <<<HEADER
             Extract one frame from the video.
-            HEADER
+            HEADER,
+            $this->outputFormatsDocumentation->listFormats(self::getSupportedOutputFormats()),
         );
     }
 
@@ -54,7 +63,7 @@ public function buildConfiguration(NodeBuilder $builder): void
                     ->end()
                     ->scalarNode('format')
                         ->isRequired()
-                        ->info('output format (see Video transformers output `format`s)')
+                        ->info('output format')
                         ->example('image-jpeg')
                     ->end()
                     ->scalarNode('extension')
@@ -86,7 +95,7 @@ public function transform(InputFileInterface $inputFile, array $options, Transfo
             throw new \InvalidArgumentException('Invalid input file family, should be video');
         }
 
-        $commonArgs = new ModuleCommonArgs($this->formats, $options, $context, $this->optionsResolver);
+        $commonArgs = new ModuleCommonArgs($this->formats, self::getSupportedOutputFormats(), $options, $context, $this->optionsResolver);
         $outputFormat = $commonArgs->getOutputFormat();
 
         /** @var Video $video */