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Use Threads in Omni Writes for single posts, scheduled posts, multi-post chains, Ghost Mode, mixed-media carousels, GIPHY GIFs, and topic tags.
This page covers Threads behavior and the media accepted by Omni Writes—not plan or billing limits. Ghost Mode exists only on Threads; Instagram, Facebook, LinkedIn, and X do not have Ghost Mode in Omni Writes.

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Availability at a glance

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Connect Threads

1

Open Channels

Go to Settings → Channels.
2

Connect Threads

Choose Threads, complete Meta/Threads OAuth, and approve publishing permissions.
3

Confirm the username

Verify the connected Threads username appears on the channel card.

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Publish a post or chain

Select Threads, write up to 500 characters per post, add media or a GIPHY attachment, and optionally add one topic tag to the root post. For a chain, attach media to the exact post where it should appear. Chains support up to 11 posts. Auto-split can break a long draft into multiple posts while staying inside that 11-post ceiling.

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Ghost Mode

Ghost Mode publishes an ephemeral text-only Threads post that stays active for 24 hours, then archives automatically. It is a Threads-only product feature. Use the Ghost Mode control in the Threads composer when you want a short-lived text post.

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Text and publishing limits

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Media limits

Threads allows a 1 GB video, but Omni Writes currently accepts up to 250 MB. The lower limit applies here.

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Image details

  • Width: 320–1440 pixels.
  • Maximum aspect envelope: 10:1.
  • Use sRGB color.
  • A carousel can mix images and videos.

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Video details

  • Container: MP4 or MOV.
  • Codec: H.264 or HEVC with AAC audio.
  • Duration: more than 0 and no more than 300 seconds.
  • Width: up to 1920 pixels.
  • Frame rate: 23–60 FPS.
  • Aspect ratio: 0.01:1 through 10:1.
  • 9:16 is recommended for vertical content.

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GIFs and topic tags

A Threads GIF in Omni Writes uses GIPHY; it is not an uploaded GIF file. Use one GIF on a text post and do not combine it with uploaded media. One topic tag can be sent with the root post; ordinary hashtags remain part of the text. Ghost Mode disables topic tags and GIF attachments.

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Media processing

Threads creates media containers before publishing. Every carousel child must become ready before the parent carousel publishes.
Keep scheduled assets available until publishing completes. A deleted, private, or expired file can make the complete carousel fail.

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Common problems

  • Media fetch failed: Re-upload the file and retry.
  • Too many carousel items: Reduce the set to 20 or fewer.
  • Video too large: Compress it below 250 MB.
  • Ghost Mode blocked media: Turn off Ghost Mode before attaching media or building a chain.
  • Ghost Mode turned off automatically: Deselect other networks so Threads is the only destination, or keep Ghost Mode off for multi-network posts.
  • Authorization expired: Reconnect Threads, confirm the username, and retry from Calendar.

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Official references

Manage connected channels

Review account requirements and connection recovery.