See exactly how your Threads post will render — character count, line breaks, link cards, and multi-post sequences — before you hit Post.
Free plan included · No credit card · Pixel-true Threads preview
Real 500-character limit with live character count.
Pixel-true feed preview with avatar, handle, and metadata.
Link card preview so you catch broken previews early.
Multi-post sequence preview — spot awkward breaks before publishing.
AI rewrites tuned for Threads' casual, conversational voice.
Preview the same draft on Instagram, Facebook, LinkedIn, X, TikTok, Pinterest, and YouTube Shorts.
Threads caption limit: 500 characters · Feed preview truncates exactly at 500 characters. SherpaPost shows the exact cutoff and line breaks before you publish.
A Threads post preview is a mockup of how a post will render in the Threads app before you publish — handle, avatar, body text wrapped at the feed width, link card unfurl, and the 500-character cap. SherpaPost shows the live character count, where multi-post chains break, and how attached media crops, so your draft lands the way you intended.
Threads caps each post at 500 characters — longer than X's 280 but tighter than Instagram's 2,200. Longer drafts can be published as a chain of connected posts. SherpaPost will split a long draft on natural break points at 500 characters and preview each post in the chain as it will appear in the feed.
No. SherpaPost never connects to Threads, Instagram, or any Meta account. There's no permission grant, no API token, and no risk of a failed publish. You draft and preview in SherpaPost, then copy your finished post into Threads manually. The free plan is genuinely free — no credit card required.
Free to start. No scheduler, no API risk — you stay in control.
Start free