Bluesky For Dummies Cheat Sheet

Some readers like to thumb through a book and flag pages that they think are important. If that’s not you, we have you covered with this handy-dandy cheat sheet! This sheet contains all the important stuff you need to know about posting on Bluesky: rules for posting text, images, and videos and Bluesky’s community guidelines so your posts contribute to a healthy community.

Adhering to the guidelines

Text limits

The text limit for posts is 300 characters, including spaces.

Image limits

• Image format: You can upload images in JPEG, PNG, and WebP formats.
• Image file size: The maximum file size for an image is 1MB. If the image you upload is larger than 1MB, Bluesky will compress it for you, but you should ensure that the compressed image still looks the way you want.
• Number of images in a post: You can upload as many as four images in a post.
• Animated GIF file size: GIFs can be up to 50MB.
• Profile photo size: Your profile photo should be 400 x 400 pixels to look the way you expect.
• Profile banner size: Your profile banner should be 1500 pixels wide by 500 pixels high for the best results.

Video requirements

Bluesky introduced video sharing in September 2024. You can add one video to each post. Here are the other particulars you need to know:

• Video formats: Bluesky supports .mp4, .mpeg, .webm, and .mov formats.
• Video length: A video can be no longer than 60 seconds.
• Number of videos in a post:
• Video file size: The maximum file size for a video is 50MB.
• Number of videos daily: You can upload 25 videos or a maximum of 10 GB of video per day.

Pointing you in the right direction

Bluesky has created guidelines for users to create vibrant communities on the platform, and those guidelines are built upon three principles:

• Allow users to choose the algorithms that power their feeds and use their own apps.
• Create a welcoming environment where people feel safe and enjoy participating on the platform.
• Regularly review and update these guidelines as circumstances change and always be transparent about policy changes.

Based on these principles, Bluesky has two steadfast rules. Rule #1: Don’t use Bluesky to break the law or cause harm to others. Rule #2: Treat others with respect.

Rule #2 is straightforward. With Rule #1, here’s how to not cause harm to others:

• Do not spam, phish, or operate multiple accounts that interact similarly. Your goal should be to add value to the network through your content.
• Do not use or distribute others’ private personal information without their permission. The antispam and privacy rules and laws established in your country, state, or province apply on Bluesky as well.
• Do not infringe other’s copyrights, trademarks, or other intellectual property. If you or your business do not own the rights to distribute an image or likeness, do not publish that photo or video on Bluesky.