Schedule X posts and threads that publish themselves
PostSyncer connects with your X login, so you do not need a developer account or API keys. Write a post or a full thread, attach media or a poll, and PostSyncer publishes every part in order at the scheduled minute.
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What you can schedule on X (Twitter)
Every format below publishes automatically at the time you choose. No reminders, no copying captions from another app.
Single posts
Text, links, images, GIFs and video with a live character count that matches X’s own rules.
Threads
Write the whole thread in one composer; PostSyncer publishes each post as a reply to the previous one.
Polls
Schedule polls with up to four options and a set duration.
Quote posts
Quote any public post and preview exactly how the embed will look before it goes live.
X (Twitter) limits and sizes
PostSyncer checks these limits while you compose, so a post that schedules cleanly also publishes cleanly. Values are X (Twitter)’s published limits as of 2026.
| Element | Limit or size |
|---|---|
| Post length | 280 characters (25,000 on X Premium); links count as 23 |
| Images | Up to 4 per post, 1200×675 (16:9) recommended |
| Video | Up to 2 minutes 20 seconds on standard accounts, longer with Premium |
| Threads | Unlimited posts published in sequence |
| Alt text | Up to 1,000 characters per image |
How PostSyncer's X (Twitter) Scheduler Works
Get started in minutes with our intuitive workflow
Connect Your X (Twitter) Account
Securely link your X (Twitter) 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 X (Twitter) strategy based on comprehensive performance data and actionable insights.
Best times to post on X (Twitter)
X moves fast, so timing matters more than on any other network. Weekday mornings and lunch hours in your audience’s time zone perform most consistently; threads do best mid-week.
Read the full X (Twitter) timing guide →- Weekdays, 8–10 am
- Weekdays, 12–1 pm
- Wednesday for threads
Free X (Twitter) tools
Prepare posts before you schedule them.
Schedule your other networks
The same calendar covers 11 networks.
X (Twitter) scheduling FAQ
Do I need X Premium or a developer account to schedule posts?
No. Connect with your normal X login. Premium only raises limits such as the 280-character cap and video length.
Can I schedule an entire thread?
Yes. Compose all posts in one place and PostSyncer publishes them in order as replies, so the thread reads exactly as written.
Does the character counter match X’s counting?
Yes. Links count as 23 characters and emoji as two, the same way X counts them, so a post that fits in PostSyncer fits on X.
Can I schedule quote posts and polls?
Both. Paste the URL of the post you want to quote, or add up to four poll options with a duration, and schedule as usual.
Can the same post go to X, Bluesky and Threads?
Yes. Short-form text cross-posts cleanly; PostSyncer shows each network’s limit so you can trim per platform before scheduling.
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