Crosspost from Bluesky to TikTok Automatically

Auto post Bluesky to TikTok instantly — no downloads, no re-uploads, no manual work. Just publish on Bluesky and your content appears on TikTok.

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Can a Bluesky post actually become a TikTok?

! Bluesky is text-first, TikTok is video-only — these are opposite format philosophies

+ ! Bluesky has a one-minute video cap; TikTok supports much longer content

+ ! No native bridge between the two platforms exists

+ ! TikTok requires video; a skeet with only text cannot become a TikTok

= too much manual work

↓ There's an easier way

What You Need to Know

01

How creators bridge their skeets and TikToks

The most common workflow: post a thought on Bluesky, screenshot the skeet, and build a TikTok around it — either as a talking-head response or with the screenshot as a B-roll overlay.

Some creators use text-to-speech tools to read out skeet content over a visual background.

Others post the same short video to both platforms, keeping it under Bluesky's one-minute limit.

Every version of this requires manual assembly.

You are essentially producing the same content twice in different containers, then posting each one separately.

02

Making your TikTok feel native, not like a screenshot dump

TikTok audiences scroll fast.

A static screenshot with no movement gets ignored.

If you are adapting a skeet, add a hook in the first two seconds — say the punchline or the key claim out loud before any visual.

Use TikTok's on-screen text sparingly and pair it with audio, not silence.

Avoid watermarks from other apps.

TikTok's algorithm responds to watch time, so keep adapted content punchy and under 60 seconds.

A Bluesky post's 300-character limit actually translates well to a short TikTok script — lean into that brevity.

03

Let PostOnce handle the cross-platform sync

PostOnce monitors your Bluesky account and automatically pushes your posts to TikTok.

You post your skeet, and it appears on TikTok without you switching apps.

PostOnce handles the format routing, so you stay in your creative flow.

Connect your accounts once and the automation runs in the background — no manual uploads, no copy-paste, no missed posts.

Skip the manual work

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Features

How PostOnce Handles It

Set up Bluesky to TikTok crossposting once. PostOnce automates the rest.

Easy Bluesky Crossposting Setup

Connect your Bluesky and TikTok 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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Setup flow

Native Video Upload to TikTok

When you crosspost Bluesky to TikTok, PostOnce uploads the actual video file — not a link, not a preview.

Your Bluesky content appears as a native TikTok post, indistinguishable from content uploaded directly.

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Custom Crosspost Rules

Not every Bluesky post belongs on TikTok. Set hashtag filters, content type rules, or account-level controls to choose what gets crossposted.

Only the content you want on TikTok ends up there.

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Filter rules

Auto Post to Multiple Platforms

Don't stop at Bluesky to TikTok crossposting. Auto post your Bluesky 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 Bluesky account and automatically crossposts new content to TikTok.

No scheduling, no batching. Publish on Bluesky and it appears on TikTok within minutes — fully automated Bluesky to TikTok posting.

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Automation

Bluesky vs TikTok at a Glance

SpecBlueskyTikTok
Caption Limit300 chars4,000 chars
Max Video Length1min10min
Preferred Aspect Ratio16:99:16
Max Video File Size50MB4GB
Carousel SupportUp to 4 itemsUp to 35 items
Hashtag StrategyUnlimitedUnlimited
Link SupportYesNo
Primary Audience20-4016-34

Frequently Asked Questions

Under 60 seconds. Connect both your Bluesky and TikTok accounts, choose your filter rules, and you're done. New Bluesky posts will automatically appear on TikTok.

PostOnce automatically adapts your 16:9 Bluesky videos to TikTok's preferred 9:16 format, ensuring they look native.

Yes. Use hashtag filters to control which posts crosspost. For example, add #crosspost to Bluesky captions and only those posts will go to TikTok. Or exclude specific hashtags to skip certain content.

Your captions transfer in full since TikTok supports up to 4,000 characters, which accommodates Bluesky's 300 character limit.

Start Crossposting Bluesky to TikTok

Connect your Bluesky and TikTok accounts and start crossposting in minutes. No technical setup required.

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