Crosspost from Pinterest to Instagram Automatically
Auto post Pinterest to Instagram instantly — no downloads, no re-uploads, no manual work. Just publish on Pinterest and your content appears on Instagram, with captions and media adapted for the destination when needed.
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Features
How PostOnce Handles It
Set up Pinterest to Instagram crossposting once. PostOnce automates the rest.
Easy Pinterest Crossposting Setup
Connect your Pinterest and Instagram 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 Instagram
When you crosspost Pinterest to Instagram, PostOnce uploads the actual video file — not a link, not a preview.
Your Pinterest content appears as a native Instagram post, indistinguishable from content uploaded directly.
Start your free trialCustom Crosspost Rules
Not every Pinterest post belongs on Instagram. Set hashtag filters, content type rules, or account-level controls to choose what gets crossposted.
Only the content you want on Instagram ends up there.
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Auto Post to Multiple Platforms
Don't stop at Pinterest to Instagram crossposting. Auto post your Pinterest content to YouTube Shorts, Facebook, LinkedIn, Threads, and more — all at once.
One post, everywhere. Each platform gets a native upload with adapted formatting.
Start your free trialReal-Time Automation
PostOnce monitors your Pinterest account and automatically crossposts new content to Instagram.
No scheduling, no batching. Publish on Pinterest and it appears on Instagram within minutes — fully automated Pinterest to Instagram posting.
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Pinterest vs Instagram at a Glance
| Spec | ||
|---|---|---|
| Caption Limit | 500 chars | 2,200 chars |
| Max Video Length | 15min | 1h |
| Preferred Aspect Ratio | 2:3 | 9:16 |
| Max Video File Size | 2GB | 4GB |
| Carousel Support | Up to 5 items | Up to 10 items |
| Hashtag Strategy | Up to 20 | Up to 30 |
| Link Support | Yes | No |
| Primary Audience | 18-44 | 18-34 |
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Frequently Asked Questions
Under 60 seconds. Connect both your Pinterest and Instagram accounts, choose your filter rules, and you're done. New Pinterest posts will automatically appear on Instagram.
PostOnce automatically adapts your 2:3 Pinterest videos to Instagram's preferred 9:16 format, ensuring they look native.
Yes. Use hashtag filters to control which posts crosspost. For example, add #crosspost to Pinterest captions and only those posts will go to Instagram. Or exclude specific hashtags to skip certain content.
Your captions transfer in full since Instagram supports up to 2,200 characters, which accommodates Pinterest's 500 character limit.
Related Crossposting Workflows
Crosspost Pinterest to TikTok
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Crosspost Pinterest to YouTube
Set up automatic crossposting from Pinterest to YouTube.
Crosspost Pinterest to Facebook
Set up automatic crossposting from Pinterest to Facebook.
Repurpose Pinterest for Instagram
Adapt this workflow for clips, captions, and content reuse.
Crosspost Instagram to Pinterest
Go the other direction.
Pinterest crossposting guides
More destinations from Pinterest
All crosspost guides
Browse every platform workflow
Start Crossposting Pinterest to Instagram
Connect your Pinterest and Instagram accounts and start crossposting in minutes. No technical setup required.
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