Images
- Supported formats: .jpeg, .jpg, .png, .webp, .heic
- Maximum file size: 10 MB
- Maximum dimensions: width and height must not exceed 10,000 pixels in total, with a width to height ratio of at most 20
- Images per post: up to 10 (photos and videos can be mixed in the same album)
Postpone converts images to JPEG and reduces oversized images when the post is published, so any image format you can upload to Postpone works on Telegram.
GIFs
- Maximum file size: 50 MB
- GIFs per post: 1
Telegram does not allow GIFs in albums, so a GIF must be posted on its own.
Videos
- Supported formats: .mp4, .mov, .m4v, .webm, .3gp, .3g2
- Maximum file size: 50 MB
- Videos per post: up to 10 (photos and videos can be mixed in the same album)
Postpone uploads the 1080p MP4 version of your video, which it creates when you upload the file, so any video format you can upload to Postpone works on Telegram and stays under Telegram's size limit.