TikTok and Pinterest are opposites that happen to share a canvas. A TikTok lives or dies on the For You page within days; a pin keeps resurfacing in Pinterest search for months, because Pinterest behaves like a visual search engine rather than a feed. Both want the same 1080 × 1920 vertical video, so the file you already exported is ready to go — but everything around it changes: one conversational caption becomes a 100-character keyword title plus a 500-character searchable description, sound stops mattering because video pins autoplay muted, and for the first time your video carries a clickable destination link.
This guide maps the spec deltas, what genuinely breaks in transit, and the steps to republish a TikTok as a video pin — by hand, or composed once in SocialKit and customized per network.
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Everything that changes between the two composers, side by side.
| Spec | TikTok (from) | Pinterest (to) |
|---|---|---|
| Primary canvas | 1080 × 1920 px · 9:16 (video) | 1080 × 1920 px · 9:16 (video pin) |
| Caption limit | 2,200 characters via the posting API used by scheduling tools (TikTok’s own app has rolled out captions up to ~4,000) | Title 100 characters · description 500 characters |
| Video length | Up to 10 minutes in-app; 60-minute pre-recorded uploads rolling out to many accounts | Video Pins from 4 seconds up to 15 minutes per Pinterest’s published specs; shorter performs better organically |
| Hashtags | Hashtags and @mentions count toward the caption limit; a few specific tags is the platform convention | Treated as plain keywords — Pinterest search matters more than tags |
| Watermark on export | Downloads are stamped with the TikTok logo and your handle | No published penalty — but watermarked video reads as recycled; use a clean master |
| Sound | Sound-on, audio-led viewing | Video pins autoplay muted in the feed |
| Clickable link | No clickable links in captions (link in bio) | Every pin carries a destination link |
| Content lifespan | For You distribution peaks within days | Pins resurface in search for months |
The good news
The fine print
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Tip 1
Mine your back catalog: a TikTok from last year that still answers a question (“how to fold a fitted sheet”) is a perfect pin today — trend-dependent videos and sound-gags are not.
Tip 2
Design the first frame as a cover: video pins sit in a grid of still images, so a readable title card in frame one works like a thumbnail and survives muted autoplay.
Tip 3
Write the description for the searcher, not the follower: nobody on Pinterest knows your running jokes — name the problem the video solves in plain search language.
FAQ
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Yes — the specs line up almost perfectly. Pinterest video pins accept MP4/MOV files up to 2 GB at 9:16 (1080 × 1920 px), which is exactly what TikTok produces. Use your clean master file rather than the watermarked download, and rewrite the caption as a keyword title plus description.
Pinterest has not published an originality policy comparable to Instagram’s Reels guidance, so there is no documented penalty. Watermarked videos still look recycled to viewers, the stamped handle isn’t clickable on Pinterest, and downloads are lower quality than your master — so a clean export is the safer choice regardless.
From 4 seconds up to 15 minutes per Pinterest’s published specs (as of June 2026) — long enough for any TikTok, including 10-minute in-app recordings. Shorter performs better organically, and Pinterest recommends 6–15 seconds for promoted-style videos.
Treat it like a search snippet, not a caption: 500 characters, of which feeds show roughly the first 50–60. Lead with the phrase someone would type into Pinterest search, add context, and skip the hashtag block — Pinterest ranks pins through keywords, not tags.
Compose once, customize the caption per network, and let SocialKit publish to TikTok, Pinterest, and 9 more platforms on schedule — no re-uploading, no copy-paste.
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