Crosspost from Threads to Twitter Automatically
Auto post Threads to Twitter instantly — no downloads, no re-uploads, no manual work. Just publish on Threads and your content appears on Twitter.
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Threads to Twitter: the crosspost everyone is figuring out
! Threads and Twitter/X are the most direct competitors in the text microblogging space
+ ! No native integration — Threads is Meta, X is separate
+ ! Character limit difference: Threads 500 vs Twitter/X 280
+ ! Hashtag culture is strong on X; less so on Threads
↓ There's an easier way
What You Need to Know
How creators post on Threads and X simultaneously
Apps like Yup, Fedica, and Croissant let you compose once and publish to both Threads and X at the same time.
For manual cross-posting: write your Threads post under 280 characters, then add 1-2 relevant hashtags before posting to X.
For longer Threads posts, split the content into a Twitter thread — one idea per tweet.
Some creators write platform-first: compose on X (280 char limit forces tighter writing), then expand slightly for Threads with the extra 220 characters.
Either direction works.
Getting your X posts to feel native, not like Threads reposts
Twitter/X has a different engagement culture.
Hashtags matter more (#AI, #marketing, #webdev).
Quote-tweets and retweets drive discovery differently than Threads reposts.
X users also respond well to polls and strong opinions.
If your Threads post was a nuanced take, sharpen it to a more direct claim for X — the algorithm rewards confident statements that generate replies.
Avoid starting with 'As I said on Threads...' — every tweet should stand alone.
PostOnce syncs your Threads posts to Twitter automatically
PostOnce monitors your Threads account and pushes your posts to Twitter/X automatically.
You stay on Threads — your Twitter audience stays updated.
PostOnce handles character limit routing and keeps both platforms in sync without manual switching.
Post once, reach both microblogging audiences.
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Features
How PostOnce Handles It
Set up Threads to Twitter crossposting once. PostOnce automates the rest.
Easy Threads Crossposting Setup
Connect your Threads and Twitter 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 Twitter
When you crosspost Threads to Twitter, PostOnce uploads the actual video file — not a link, not a preview.
Your Threads content appears as a native Twitter post, indistinguishable from content uploaded directly.
Start your free trialCustom Crosspost Rules
Not every Threads post belongs on Twitter. Set hashtag filters, content type rules, or account-level controls to choose what gets crossposted.
Only the content you want on Twitter ends up there.
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Auto Post to Multiple Platforms
Don't stop at Threads to Twitter 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 Twitter.
No scheduling, no batching. Publish on Threads and it appears on Twitter within minutes — fully automated Threads to Twitter posting.
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Threads vs Twitter at a Glance
| Spec | Threads | |
|---|---|---|
| Caption Limit | 500 chars | 280 chars |
| Max Video Length | 5min | 2min |
| Preferred Aspect Ratio | 9:16 | 16:9 |
| Max Video File Size | 1GB | 512MB |
| Carousel Support | Up to 20 items | Up to 4 items |
| Hashtag Strategy | Up to 1 | Unlimited |
| Link Support | Yes | Yes |
| Primary Audience | 18-34 | 18-44 |
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Under 60 seconds. Connect both your Threads and Twitter accounts, choose your filter rules, and you're done. New Threads posts will automatically appear on Twitter.
PostOnce automatically adapts your 9:16 Threads videos to Twitter'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 Twitter. Or exclude specific hashtags to skip certain content.
PostOnce intelligently adapts your captions from Threads's 500 character limit to fit Twitter's 280 character limit, preserving your key message.
Start Crossposting Threads to Twitter
Connect your Threads and Twitter accounts and start crossposting in minutes. No technical setup required.
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