Crosspost from Reddit to Twitter Automatically
Auto post Reddit to Twitter instantly — no downloads, no re-uploads, no manual work. Just publish on Reddit and your content appears on Twitter.
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Reddit to Twitter: the most natural repurposing path
! Reddit posts can be adapted into Twitter threads effectively
+ ! Sharing Reddit links on Twitter is common and accepted culturally
+ ! Twitter/X has suppressed external links in reach since 2023
+ ! Reddit's 10% rule limits using it purely to promote your Twitter
↓ There's an easier way
What You Need to Know
How creators turn Reddit threads into Twitter content
The most effective workflow: find a high-upvote post or comment chain in a subreddit relevant to your niche, then write a Twitter thread summarizing or expanding the key points.
Link to the Reddit post at the end.
If you are the original Reddit poster, you can tweet the key idea from your thread and embed the Reddit link in a reply to keep the main tweet clean.
Some creators use Reddit purely as a research and validation tool — if a question gets 3,000 upvotes in a subreddit, that is a confirmed Twitter thread topic.
Writing tweets from Reddit content that feel native
Twitter/X audiences want a fast, punchy opening.
Lead with the most interesting line, the most surprising data point, or the strongest take from the Reddit thread.
Do not start with 'So there was this Reddit post...' — that buries the lead.
Use Twitter threads to expand what Reddit compressed into a text post.
Keep each tweet in the thread to one idea.
Add your own commentary rather than just paraphrasing — that is what gets retweets.
PostOnce automates Reddit-to-Twitter crossposting
PostOnce connects your Reddit and Twitter accounts and handles cross-platform publishing automatically.
Post on Reddit, and PostOnce pushes it to Twitter without manual work.
One post, both audiences reached, zero copy-paste.
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Features
How PostOnce Handles It
Set up Reddit to Twitter crossposting once. PostOnce automates the rest.
Easy Reddit Crossposting Setup
Connect your Reddit 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 Reddit to Twitter, PostOnce uploads the actual video file — not a link, not a preview.
Your Reddit content appears as a native Twitter post, indistinguishable from content uploaded directly.
Start your free trialCustom Crosspost Rules
Not every Reddit 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 Reddit to Twitter crossposting. Auto post your Reddit 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 Reddit account and automatically crossposts new content to Twitter.
No scheduling, no batching. Publish on Reddit and it appears on Twitter within minutes — fully automated Reddit to Twitter posting.
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Reddit vs Twitter at a Glance
| Spec | ||
|---|---|---|
| Caption Limit | 40,000 chars | 280 chars |
| Max Video Length | 15min | 2min |
| Preferred Aspect Ratio | 16:9 | 16:9 |
| Max Video File Size | 1GB | 512MB |
| Carousel Support | Up to 20 items | Up to 4 items |
| Hashtag Strategy | Not used | Unlimited |
| Link Support | Yes | Yes |
| Primary Audience | 18-39 | 18-44 |
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Under 60 seconds. Connect both your Reddit and Twitter accounts, choose your filter rules, and you're done. New Reddit posts will automatically appear on Twitter.
Yes, both platforms use 16:9 as their preferred format, so your videos transfer without any reformatting.
Yes. Use hashtag filters to control which posts crosspost. For example, add #crosspost to Reddit captions and only those posts will go to Twitter. Or exclude specific hashtags to skip certain content.
PostOnce intelligently adapts your captions from Reddit's 40,000 character limit to fit Twitter's 280 character limit, preserving your key message.
Start Crossposting Reddit to Twitter
Connect your Reddit and Twitter accounts and start crossposting in minutes. No technical setup required.
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