In the official Telegram app, there is no built-in option to choose the quality or format of the downloaded videos. By default, the app will download videos in their original quality and format as shared on the platform.
However, if you wish to download videos in specific quality or format, you may need to use third-party tools or software designed for video downloading and conversion. These external tools often allow you to select the desired quality and format before initiating the download process.
It's worth noting that altering the quality or format of a video may affect its resolution, file size, and overall viewing experience. Be mindful of copyright restrictions and usage rights when downloading, converting, or sharing videos from Telegram or any other platform.