The maximum file size for video uploads is 5GB. If you have larger files, please contact us, and we'll do our best to assist you. While there is no limit on the video duration, there are minimum duration requirements for subtitle extraction. For vision-based extraction, the video must be at least 5 minutes long, and for audio-based extraction, the video must be at least 10 minutes long. For paid users, the (vision-based) minimum video duration is 1 minute.