Quick answer
Turn a Threads post into an image for your Instagram feed or stories. Counts against the 500 character limit as you type.
Schedulala lets you schedule posts to Threads and 9 other platforms from one simple dashboard.
They are separate apps with separate feeds. If you want your Instagram followers to see something you wrote on Threads, an image is the only way it reaches them.
On Instagram a 4:5 portrait image occupies noticeably more of the screen than a square. For a text card, more space means more readable text.
Threads and Instagram are both Meta, so unlike an X or Bluesky card there is no competitor logo problem in cross-posting a Threads card to Instagram.
It is longer than a tweet and much shorter than a LinkedIn post. Aim for something that reads in one breath, since the card will be read at a glance.
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Threads and Instagram share an account system and almost nothing else. A post that does well on Threads is invisible to the people following the same person on Instagram, because the feeds are separate. That is the specific gap this page addresses.
Turning the post into an image closes it. An Instagram feed post or a story reaches the audience you already built there, using writing you already did. No new idea, no new shoot, just a second surface for the same words.
Threads allows 500 characters, which is a useful middle. Long enough for a real thought, short enough that the whole thing fits on one card at a comfortable reading size. Posts near the limit will render smaller, so if you are writing specifically for a card, shorter is better.
Because Threads and Instagram are both Meta properties, this is the one case where keeping the platform branding costs you nothing. There is no rival logo problem in showing a Threads card to Instagram users.