# How can I limit the output duration of my videos? You can provide your own FFmpeg parameters to [🤖/video/encode](/docs/robots/video-encode.md) Steps. For example, to limit videos to four minutes, use FFmpeg's `-t` parameter, like in this example: ```json "ffmpeg": { "t": 240 } ``` ## See also: [Can you help me understand the pricing?](/docs/faq/pricing-example.md) [What are Assemblies?](/docs/faq/assemblies.md) [How do I enable multi-file upload?](/docs/faq/multi-file-uploads.md)