Schedule Bluesky posts with images, video and link cards
PostSyncer connects to any Bluesky account and publishes text, images with alt text, video, link cards and quote posts at the scheduled time. Keep Bluesky in step with X and Threads without retyping every update three times.
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What you can schedule on Bluesky
Every format below publishes automatically at the time you choose. No reminders, no copying captions from another app.
Text posts
Short updates with a live 300-character counter.
Images with alt text
Up to four images, each with its own description.
Video
Vertical or square video up to 3 minutes.
Quote posts and link cards
Quote another post or share a link and preview the embed before publishing.
Bluesky limits and sizes
PostSyncer checks these limits while you compose, so a post that schedules cleanly also publishes cleanly. Values are Bluesky’s published limits as of 2026.
| Element | Limit or size |
|---|---|
| Text | 300 characters |
| Images | Up to 4 per post, about 1 MB each after compression |
| Video | Up to 3 minutes and 50 MB, MP4 |
| Alt text | Per image, strongly encouraged by the Bluesky community |
| Link cards | Generated from the first URL in the post |
How PostSyncer's Bluesky Scheduler Works
Get started in minutes with our intuitive workflow
Connect Your Bluesky Account
Securely link your Bluesky to PostSyncer with just a few clicks. Add multiple accounts if needed for comprehensive social management.
Create and Schedule Content
Compose tweets, add media, and select posting times. Schedule individual tweets or bulk upload your content calendar for maximum efficiency.
Track Performance & Optimize
Monitor engagement, analyze results, and refine your Bluesky strategy based on comprehensive performance data and actionable insights.
Best times to post on Bluesky
Bluesky skews toward US and European evenings, with lively conversation after work. Custom feeds surface good posts for days, so consistency beats precision.
Read the full Bluesky timing guide →- Weekdays, 9–11 am
- Weekdays, 6–9 pm
- Sunday evening
Free Bluesky tools
Prepare posts before you schedule them.
Schedule your other networks
The same calendar covers 11 networks.
Bluesky scheduling FAQ
How do I connect Bluesky safely?
Create an app password in Bluesky settings and use it in PostSyncer. It can be revoked any time without changing your main password.
Can I schedule quote posts on Bluesky?
Yes. Paste the post URL, and PostSyncer shows the quoted post preview before it publishes.
How are characters counted?
Bluesky counts graphemes, so most emoji count as one, and PostSyncer applies the same 300-character rule while you type.
Can I add alt text to images?
Yes, per image. Alt text is part of the scheduled post and publishes with it.
Does cross-posting from X work?
Mostly. X allows 280 characters and Bluesky 300, so anything written for X fits; media and link cards carry over too.
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