Automatically Post Your Pinterest Pins To Facebook Reels
PostOnce automatically posts eligible Pinterest pins to Facebook Reels, without downloading, re-uploading, or rebuilding the same post by hand.
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Features
How PostOnce Handles It
Set up Pinterest to Facebook crossposting once. PostOnce automates the rest, so one native Pinterest post can trigger a matching Facebook upload automatically.
Connect Pinterest
Choose the Pinterest account PostOnce should monitor for new eligible posts.
Connect Facebook
Choose the Facebook account or Page that should receive the native upload.
Create the workflow
Set content filters, caption rules, and timing once. PostOnce handles future matching posts automatically.
Easy Pinterest Crossposting Setup
Connect your Pinterest and Facebook 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 Facebook
When you crosspost Pinterest to Facebook, PostOnce uploads the actual video file — not a link, not a preview.
Your Pinterest content appears as a native Facebook post, indistinguishable from content uploaded directly.
Start your free trialCustom Crosspost Rules
Not every Pinterest post belongs on Facebook. Set hashtag filters, content type rules, or account-level controls to choose what gets crossposted.
Only the content you want on Facebook ends up there.
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Automatically Post Your Content to Multiple Platforms
Don't stop at Pinterest to Facebook crossposting. Automatically post your Pinterest pins 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 Pinterest account and automatically crossposts new content to Facebook.
No scheduling, no batching. Publish on Pinterest and it appears on Facebook within minutes — fully automated Pinterest to Facebook posting.
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Direct answer
Can PostOnce automatically post from Pinterest to Facebook?
Yes, PostOnce can automatically post eligible Pinterest pins to Facebook Reels with a reusable crossposting workflow. This is crossposting automation: you publish on Pinterest, PostOnce watches for eligible Pinterest pins, and Facebook receives its own native post instead of a copied link preview.
Content types
Primary wording plus related formats
Pinterest source formats
This workflow leads with Pinterest pins, and also covers related Pinterest formats:
Facebook destination formats
The destination focus is Facebook Reels, while also covering related Facebook surfaces:
Manual sharing
The manual route usually means sharing a link, sending to a Story, making a Feed post, or downloading the media and uploading it again.
- Link previews send traffic back to Pinterest.
- Watermarks or source branding can hurt trust.
- Repeated downloads make daily posting hard to scale.
- Formats and captions often need cleanup.
Automatic workflow
PostOnce turns the same workflow into a repeatable rule: source account, destination account, filters, and automatic publishing.
- Connect Pinterest as the source.
- Connect Facebook as the destination.
- Choose which posts should crosspost.
- Let PostOnce publish future matches automatically.
Alternatives and limits
IFTTT-style automations and native share buttons can be useful, but they often create status updates, links, or previews instead of native destination posts.
- Manual sharing is fine for one-off posts.
- Generic repurposing tools may require export first.
- Platform API limits still control what can publish.
- Music rights do not automatically transfer.
What gets adapted from Pinterest to Facebook
Captions
Pinterest captions fit within Facebook's limit.
Hashtags
Facebook: Hashtags have minimal impact; 1-2 relevant hashtags max.
Aspect ratio
Video may need adaptation toward 16:9.
Destination format
Eligible videos publish through the Facebook Reels upload path.
Watermark and metadata
PostOnce prepares media for the destination instead of reposting a link card.
Music and audio rights
Only reuse audio you have rights to publish on both platforms.
New posts and existing content
For new posts, PostOnce can watch your Pinterest source and publish eligible Pinterest pins to Facebook Reels after the workflow is created.
For existing or backlog content, use PostOnce to refill a workflow deliberately instead of dumping months of posts at once. Scheduled batches keep the destination account active without overwhelming followers.
If a video is longer than Facebook's destination limit, it needs trimming or review before publishing. Facebook Reels upload errors currently require videos to be between 3 and 90 seconds.
Facebook Reels, Feed, Stories, Pages, and Groups
Facebook Reels
Supported for eligible video posts through the Facebook Reels upload path.
Facebook Feed
Supported for text, image, album, and non-Reel feed publishing on a connected Page.
Facebook Story
Manual sharing surface; do not treat a Story link as the same thing as a native Reel.
Facebook Page
PostOnce connects and publishes to Facebook Pages with the required Page access.
Facebook Group
Group sharing is a community tactic, but PostOnce Facebook publishing is Page-based today.
Proof before you turn it on
Confirm the connected source account
Select the destination account or Page
Review filters and caption rules
Check the queue and destination post after publish
Pinterest vs Facebook at a Glance
| Spec | ||
|---|---|---|
| Caption Limit | 500 chars | 63,206 chars |
| Max Video Length | 15min | 4h |
| Preferred Aspect Ratio | 2:3 | 16:9 |
| Max Video File Size | 2GB | 10GB |
| Carousel Support | Up to 5 items | Up to 10 items |
| Hashtag Strategy | Up to 20 | Unlimited |
| Link Support | Yes | Yes |
| Primary Audience | 18-44 | 25-54 |
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Yes. With PostOnce, you can connect Pinterest as the source, choose Facebook as the destination, and create a workflow so new matching Pinterest posts are crossposted to Facebook automatically.
Connect both accounts in PostOnce, create a Pinterest to Facebook crossposting workflow, and choose your content filters. After setup, PostOnce can detect new eligible Pinterest posts and publish them to Facebook without manual downloading or re-uploading.
Yes. PostOnce lets one eligible Pinterest post trigger a matching Facebook post, so you can keep both platforms active without rebuilding the same content twice.
PostOnce preserves your media quality and can carry captions across because Facebook's 63,206 character limit accommodates Pinterest's 500 character limit. Media format, hashtags, and destination rules still depend on each platform's requirements.
Yes. Use hashtag filters to control which posts crosspost. For example, add #crosspost to Pinterest captions and only those posts will go to Facebook. Or exclude specific hashtags to skip certain content.
Related Crossposting Workflows
How to automatically post your Pinterest Pins to TikTok
Set up automatic crossposting from Pinterest Pins to TikTok.
How to automatically post your Pinterest Pins to Instagram Reels
Set up automatic crossposting from Pinterest Pins to Instagram Reels.
How to automatically post your Pinterest Pins to YouTube Shorts
Set up automatic crossposting from Pinterest Pins to YouTube Shorts.
Repurpose Pinterest for Facebook
Adapt this workflow for clips, captions, and content reuse.
How to automatically post your Facebook Reels to Pinterest Pins
Go the other direction.
Pinterest crossposting guides
More destinations from Pinterest
All crosspost guides
Browse every platform workflow
Start Crossposting Pinterest to Facebook
Connect your Pinterest and Facebook accounts and start crossposting in minutes. No technical setup required.
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