Free LinkedIn post preview tool:
Check your hook before the "see more" cutoff
This free LinkedIn post preview tool shows exactly where the LinkedIn character limit truncates your post — ~140 characters on mobile and ~210 characters on desktop before the "see more" button. Paste your draft, preview your LinkedIn post, and optimize your hook before publishing. Posts with optimized hooks earn 3x more engagement.
Paste your LinkedIn post above to see the preview…
Paste your LinkedIn post above to see the preview…
Why you need a LinkedIn post preview tool: character limits, hooks & engagement
LinkedIn character limit: mobile vs desktop preview
The LinkedIn "see more" cutoff is not the same across devices. Mobile truncates at roughly 140 characters (approximately 2 lines), while desktop shows around 210 characters (about 5 lines) before hiding the rest. Since over 60% of LinkedIn traffic comes from mobile, your hook must land within the first 140 characters. Use this free LinkedIn post preview tool to check both cutoffs before publishing.
How long should a LinkedIn post be?
The ideal LinkedIn post length for maximum engagement is 1,300–1,600 characters. Short posts (100–300 chars) work for quick updates, while long posts (1,600–3,000 chars) suit deep dives. LinkedIn's total character limit is 3,000, but it's the first 140 characters that determine whether users click "see more." Use this LinkedIn post length checker to find the sweet spot.
LinkedIn hook optimization: the first 3 lines rule
Top LinkedIn creators treat the first 3 lines as a headline. They open with a specific claim, a surprising stat, or a direct question — never a context-setting introduction. Posts starting with questions generate 23% more comments, while number-driven hooks see 31% higher engagement. This free LinkedIn post simulator helps you optimize your hook before the "see more" fold.
How line breaks and the LinkedIn algorithm work together
Strategic line breaks let you control exactly which sentence falls before the "see more" fold. LinkedIn's algorithm measures dwell time — how long people spend on your post. Posts that earn "see more" clicks signal high engagement, which boosts distribution. A well-crafted hook previewed with a LinkedIn post preview tool is the single biggest lever for organic reach.
Frequently asked questions
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Write better LinkedIn posts — at scale
Growthrik AI generates brand-aware LinkedIn posts with hooks engineered for the character limit, schedules them, and tracks what drives engagement.
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