Turn your Beehiiv newsletter into LinkedIn posts — in your own voice
Letterfork rewrites every Beehiiv issue into 1–3 LinkedIn-native posts written the way you write. Drop the public Beehiiv URL, get a hook-first LinkedIn post in 12 seconds. Voice trained from your past Beehiiv issues, format tuned to LinkedIn's algorithm. Free for your first 3 rewrites.
Beehiiv writers are sitting on a LinkedIn opportunity nobody else has
Beehiiv's growth in 2024–2026 was driven mostly by writers crossing over from Substack and ConvertKit. The result: a wave of operators, creators, and B2B newsletter authors with great content and no consistent LinkedIn presence to amplify it. The audience exists. The pipeline doesn't.
LinkedIn organic reach for newsletter writers is wildly underpriced if you show up with substance. A 1200-character post with a real hook can hit 10,000 impressions from a 2000-follower account regularly. The catch is the format — single-sentence paragraphs, comment-inviting CTAs, no "Excited to share!" openings.
Letterfork pulls your Beehiiv issue, extracts the substance, and reformats it for LinkedIn's algorithm — in your own voice. Same piece, different shape, no bland AI rewrite stink.
How to turn a Beehiiv issue into LinkedIn
- 1
Train your voice on past Beehiiv issues
Paste 5–10 of your Beehiiv URLs (yourname.beehiiv.com/p/...). Letterfork reads them and learns how you write. One-time, ~60 seconds.
- 2
Paste this week's Beehiiv URL
Public Beehiiv post URLs parse directly. For premium-tier-only posts, paste the body text into the rewrite form.
- 3
Select LinkedIn
On the rewrite page, deselect other platforms if you only need LinkedIn today. LinkedIn-only takes ~12 seconds.
- 4
Generate
Letterfork outputs 1–3 LinkedIn posts in your voice. Each post is hook-led and 800–1500 characters by default.
- 5
Copy and schedule
Paste into LinkedIn or your scheduler. If Letterfork generated 3 variants, space them across the week.
What the output looks like
LinkedIn post (from a Beehiiv issue)
Most Beehiiv writers I know have great content and zero LinkedIn presence. It's a weirdly common pattern. The newsletter ships every week. The thinking is sharp. The writing is honest. And then nothing happens on LinkedIn except the occasional "new issue out" link drop that gets twelve impressions. The reason isn't laziness. It's that LinkedIn rewards a different format than a newsletter does. Single-sentence paragraphs. Hook in the first line. CTA that invites a comment, not a click-out. Which means "copy-paste my newsletter" doesn't work. You have to reshape it. Which takes 30 minutes per post. Which nobody does at scale. This is the gap I built Letterfork to fill. Paste your Beehiiv URL → get a LinkedIn post in your voice in 12 seconds. Who else is publishing on Beehiiv? Drop your URL — I'll go subscribe.
FAQ
Does Letterfork work with all Beehiiv plans?
Yes — Beehiiv's free, Scale, and Max tiers all expose public post URLs that Letterfork can parse. For posts behind a paid tier wall, paste the body text directly.
Can Letterfork pull multiple past Beehiiv issues at once?
For voice training, yes — paste up to 10 URLs at once and Letterfork reads them in parallel. For batch rewrites of recent issues, the Bulk import page lets you point Letterfork at your Beehiiv RSS feed (yourname.beehiiv.com/feed) and rewrite the latest 5 issues in one batch.
How long should a LinkedIn post be?
≤3000 characters technically, but engagement peaks in the 800–1500 range. Letterfork targets that window.
Will my Beehiiv subscribers find my LinkedIn?
Add your LinkedIn URL to your Beehiiv About page and to the footer of every issue. Cross-pollination is gradual but real — the LinkedIn post itself shouldn't link to your Beehiiv (algorithm penalty); the link belongs in your profile.
What if my voice is more B2B-formal than the example output above?
Letterfork extracts your voice from your past issues — if you write formal B2B, the LinkedIn output will too. The fingerprint is yours, not a template. The 5–10 past issues you paste during voice training fully determine the tone.
Can I customize how Letterfork formats LinkedIn posts?
On Pro and Unlimited plans, yes. Add a per-platform LinkedIn instruction in Settings — for example: "always include a numbered list," "end with a curiosity-gap question," or "never open with a number." Letterfork applies it on top of your voice profile.