Turn your newsletter into Threads (Meta) posts — in your own voice
Letterfork rewrites your newsletter into 1–2 Threads posts written for Meta's casual register — group-chat tone, 200–500 characters per post, no hashtags (Threads doesn't reward them). Voice-cloned from your own past writing, so the post sounds like you sent it to a friend, not like a brand wrote it. Free for your first 3 rewrites.
Why Threads needs a different writing register than X
Threads is not just "X without Elon." The audience is more casual, the algorithm rewards engagement (replies, not likes), and the cultural register is closer to a group chat than a stage. Posts that perform on X — formal hooks, multi-part threads, statistics-up-front — get ignored on Threads.
What works on Threads: short, opinionated, personal, and provocative-but-friendly. One idea per post. If your newsletter has multiple takes, output 2 separate posts and let them breathe a few hours apart.
Hashtags don't help on Threads (the algorithm doesn't reward them the way Instagram does), and link previews are smaller than on Bluesky or LinkedIn. Letterfork's Threads output skips hashtags entirely and weaves any external context into the prose.
How to turn a Newsletter issue into Threads (Meta)
- 1
Set up your voice profile
Paste 5–10 past newsletter URLs (Substack, Beehiiv, or Ghost). One-time setup.
- 2
Paste this week's newsletter
URL or text. Substack, Beehiiv, and Ghost public URLs work directly.
- 3
Select Threads
On the rewrite form, deselect platforms you're not posting to today. Threads-only = ~12 seconds.
- 4
Generate
Letterfork produces 1–2 Threads posts, 200–500 characters each, in your voice.
- 5
Post to Threads (Meta)
Each post has its own Copy button. Paste into Threads. If Letterfork produced two, post the second a few hours later for separate engagement windows.
What the output looks like
Threads · post 1
Spent a year trying to find an AI that could write a Substack-to-LinkedIn post in my actual voice. None of them could. So I built one. It's been weirdly satisfying watching my own writing come back out of a tool that learned how I write — em-dashes, lowercase openers, the whole vibe.
FAQ
How long can a Threads post be?
500 characters per post. Letterfork's Threads output aims for 200–500 — shorter than Bluesky-equivalents because Threads readers scroll faster.
Should I use hashtags on Threads?
No. Unlike Instagram, Threads' algorithm doesn't index hashtags meaningfully. Letterfork's output skips them entirely.
Can I cross-post the same content to Threads and Instagram?
You can technically (Threads has a one-click cross-post to IG), but the engagement is usually worse — IG captions are longer, hashtag-heavy, and visual-first. Letterfork generates separate Threads and Instagram outputs because they need different tone.
Why does the Threads version sound less polished than my LinkedIn one?
Different platform, different register. Threads rewards casual; LinkedIn rewards thought-leader-y. The Threads post is meant to read like something you'd text to a friend, not a presentation. That's the format, not a regression in quality.
Can I post a multi-post Threads chain?
Yes. Threads supports native chains. Letterfork writes 1–2 posts that can be chained or posted separately. The first post is written to work standalone.
Does Letterfork support Beehiiv and Ghost newsletters too?
Yes. Public Beehiiv URLs (yourname.beehiiv.com/p/...) and Ghost URLs (yourblog.com/post-slug/) both parse cleanly. Paywalled or members-only content needs to be pasted as text.