Crosspost from Threads to YouTube Automatically
Auto post Threads to YouTube instantly — no downloads, no re-uploads, no manual work. Just publish on Threads and your content appears on YouTube.
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What crossposting Threads to YouTube actually looks like
! Threads is text-first; YouTube requires video — fundamental format mismatch
+ ! No native integration between Threads and YouTube
+ ! Threads is useful for announcing YouTube content to existing followers
+ ! YouTube video links shared on Threads generate preview cards
↓ There's an easier way
What You Need to Know
How YouTubers use Threads to drive video views
The standard cross-promotion workflow: when a new video goes live, post a Threads announcement with 1-2 sentences of context and the YouTube link.
Because Threads is connected to your Instagram audience, you are reaching a social-native crowd who may not follow your YouTube channel directly.
Some creators post a short excerpt or quote from their video as a Threads post — enough to tease the topic without giving everything away.
The goal is to send Threads followers to YouTube, not to replicate the video in text form.
Making your YouTube promotion work on Threads
Threads audiences respond to opinions and direct takes — not promotional language.
Instead of 'New video out now!' try 'I spent three months testing X and the results surprised me — link in bio.' Write the Threads post as a genuine thought, not an ad for your channel.
If your video covers a topic that generates strong opinions, post a provocative take on Threads and let the replies confirm there is demand.
That engagement also signals to Threads' algorithm that the content is worth showing to more people.
PostOnce keeps your Threads and YouTube accounts in sync
PostOnce connects Threads and YouTube so your content flows between platforms automatically.
Post on Threads and PostOnce handles the YouTube side — and your new YouTube uploads can trigger Threads announcements automatically.
Stop manually announcing each video.
PostOnce handles it.
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Features
How PostOnce Handles It
Set up Threads to YouTube crossposting once. PostOnce automates the rest.
Easy Threads Crossposting Setup
Connect your Threads and YouTube accounts, choose your crosspost rules, and you're done.
Setup takes under 60 seconds. After that, everything runs automatically in the background.
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Native Video Upload to YouTube
When you crosspost Threads to YouTube, PostOnce uploads the actual video file — not a link, not a preview.
Your Threads content appears as a native YouTube post, indistinguishable from content uploaded directly.
Start your free trialCustom Crosspost Rules
Not every Threads post belongs on YouTube. Set hashtag filters, content type rules, or account-level controls to choose what gets crossposted.
Only the content you want on YouTube ends up there.
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Auto Post to Multiple Platforms
Don't stop at Threads to YouTube crossposting. Auto post your Threads content to YouTube Shorts, Facebook, LinkedIn, Threads, and more — all at once.
One post, everywhere. Each platform gets a native upload with adapted formatting.
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Real-Time Automation
PostOnce monitors your Threads account and automatically crossposts new content to YouTube.
No scheduling, no batching. Publish on Threads and it appears on YouTube within minutes — fully automated Threads to YouTube posting.
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Threads vs YouTube at a Glance
| Spec | Threads | YouTube |
|---|---|---|
| Caption Limit | 500 chars | 5,000 chars |
| Max Video Length | 5min | 12h |
| Preferred Aspect Ratio | 9:16 | 16:9 |
| Max Video File Size | 1GB | 256GB |
| Carousel Support | Up to 20 items | No |
| Hashtag Strategy | Up to 1 | Up to 60 |
| Link Support | Yes | Yes |
| Primary Audience | 18-34 | 18-49 |
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Under 60 seconds. Connect both your Threads and YouTube accounts, choose your filter rules, and you're done. New Threads posts will automatically appear on YouTube.
PostOnce automatically adapts your 9:16 Threads videos to YouTube's preferred 16:9 format, ensuring they look native.
Yes. Use hashtag filters to control which posts crosspost. For example, add #crosspost to Threads captions and only those posts will go to YouTube. Or exclude specific hashtags to skip certain content.
Your captions transfer in full since YouTube supports up to 5,000 characters, which accommodates Threads's 500 character limit.
Start Crossposting Threads to YouTube
Connect your Threads and YouTube accounts and start crossposting in minutes. No technical setup required.
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