Images
- Supported formats: .jpeg, .jpg, .png, .webp, .heic/.heif (Apple format)
- Maximum file size: 1 MB
Postpone automatically reduces oversized images to ensure successful uploads.
GIFs
Bluesky does not support animated GIFs.
Videos
- Supported formats: .mp4, .mpeg, .webm, .mov
- Maximum file size: 100 MB
- Maximum duration: 3 minutes
Postpone automatically converts videos exceeding 100 MB to ensure successful submission.