Bluesky Image Sizes & Presets

Bluesky accepts post images up to 2000x2000 pixels with a 1 MB file size limit. The platform compresses images on upload. Landscape images at 16:9 or square images at 1:1 display best in the timeline.

Bluesky avatars should be 1000x1000 pixels in JPEG or PNG format. The image is displayed as a circle, so keep the subject centered. The maximum file size is 1 MB.

Yes. Bluesky compresses uploaded images to fit within a 1 MB limit. Pre-optimizing your images in FastEdit before uploading gives you better control over the final quality than letting the platform compress them.

Bluesky supports JPEG and PNG image formats for posts and profile photos. JPEG is recommended for photographs and complex images, while PNG works better for graphics with text or sharp edges.