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How long can Bluesky videos be?

Up to 10 minutes since August 2026, up from 3. Files can be up to 300 MB, one video per post, and you need a verified email. Drag the slider to check a length.

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Checked on against 9 sources.

Drag to your video's length and see where it fits

Drag to see which formats take it.
1:00
Video (app)
Fits
Video (API)
Fits
Via OmniSocials
Fits
1s15s1m3m15m1h4h
AllowedLength most studies point to
The short answer

Bluesky videos: up to 10 minutes and 300 MB.

Since August 25, 2026, Bluesky takes videos of up to 10 minutes, up from 3. The file can be up to 300 MB since June 2026. Each post holds one video, and Bluesky-hosted accounts need a verified email to upload.

Apps and schedulers upload to the same video service, and the post format allows the same 300 MB. Bluesky set a daily cap of 25 videos or 10 GB when video launched and said it may change it; the API reports each account's remaining allowance. Bluesky publishes no ideal length.

Longest video
10 min
Since August 2026, was 3 minutes
File size
300 MB
Since June 2026, was 100 MB
Per day
25 videos
Or 10 GB, Bluesky's launch figure
Every limit

Every Bluesky video limit in one table. In the app and through the API.

Bluesky video limits for length, file size, formats, videos per post and per day, captions and alt text, in the Bluesky app and through the API, October 2026
LimitBluesky appThrough the API
Length10 minutes10 minutes
File size300 MB300 MB, stored as MP4
File typesMP4, MPEG, WebM, MOV, animated GIFMP4 in the post
Videos per post1, without photos1, without photos
Videos per day25, or 10 GB (2024 figure)Each account's allowance, reported by the API
Captions1 subtitle file (.vtt)Up to 20 files, 20 KB each
Alt text2,000 charactersNo cap in the post format
EmailMust be verifiedMust be verified
From Bluesky's announcements, its post format (app.bsky.embed.video), its open-source app and its developer docs, read on October 17, 2026. OmniSocials checks Bluesky video against the same 10 minutes and 300 MB.
Does video work?

Do video posts get more interactions? A little, in one 2025 dataset.

Median interactions per Bluesky post by format in 2025, from Buffer's 2026 engagement report
FormatMedian interactions per post
Video5
Photos4
Links3
Text only3
Buffer, published March 2026, 2025 data. Interactions are likes, replies and reposts. No study gives a best video length for Bluesky.
What changed

What changed for video length. From 60 seconds to 10 minutes in two years.

  1. Aug 2026

    10-minute videos

    Bluesky announced you can now "post videos up to 10 minutes long", with uploads 2 to 3 times faster. Source

  2. Jun 2026

    300 MB files

    Bluesky "bumped the video upload limit from 100MB to 300MB". Source

  3. Jul 2025

    Higher-resolution video

    Bluesky said videos posted on Bluesky are now higher resolution. It publishes no resolution number. Source

  4. Mar 2025

    3-minute videos

    Version 1.99 raised the limit from 60 seconds to 3 minutes. Source

Tips

Get your video posted. Most failures are the email, the size or the daily cap.

  1. Verify your email first

    Bluesky-hosted accounts cannot upload video without a verified email. Check it in Bluesky's account settings.

  2. Keep the file under 300 MB

    A 10-minute video fits at about 4 Mbps. Export at a lower bitrate if your file is bigger.

  3. Add a subtitle file

    The app takes one .vtt file per video. Many people watch with the sound off.

  4. Write alt text

    Videos take alt text up to 2,000 characters in the app, the same as photos.

  5. Mind the daily cap

    Bluesky set 25 videos or 10 GB a day at launch. Space out big uploads if you post a lot of video.

  6. Add alt text to every video

    Bluesky takes alt text on videos. It helps people who use screen readers, and OmniSocials sends it with the post.

Other platforms

The same guide for every network. Each one has its own rules.

Sources

How we built this guide. Checked on October 17, 2026.

The limits come from Bluesky's own posts, its post format (the app.bsky.embed.video lexicon), its open-source app and its developer docs, read on October 17, 2026. The daily cap is Bluesky's figure from the September 2024 launch, which Bluesky said it may change. No study gives a best length for Bluesky videos, so the page shows none.

  1. @bsky.app on Bluesky: Big video update: videos up to 10 minutesAug 25, 2026
  2. @bsky.app on Bluesky: Video upload limit raised to 300 MBJun 4, 2026
  3. @bsky.app on Bluesky: Version 1.99: 3-minute videosMar 10, 2025
  4. Bluesky: Share video on BlueskySep 11, 2024One video per post, verified email, 25 videos or 10 GB a day.
  5. Bluesky on GitHub: app.bsky.embed.video lexiconRead Oct 2026MP4 up to 300,000,000 bytes, up to 20 caption files of 20 KB.
  6. Bluesky social-app on GitHub: Bluesky app constants (video length, size, file types)Read Oct 2026
  7. Bluesky developer docs: Uploading videoRead Oct 2026
  8. TechCrunch: Bluesky now lets you upload 10-minute long videosAug 26, 2026
  9. Buffer: The state of social media engagement in 2026Mar 2026
Something out of date? Tell us.

Learn more. More guides for Bluesky.

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