YB
Sharing some thoughts on the future of product-led growth…
Page title
A short description of the link
example.com
❤️ 128
💬 42
🔁 18
$ previewer run linkedin-post
LinkedIn Post Preview Tool
Write your post, add an image or link, and see exactly how it renders on LinkedIn — character limit, link card, and dark mode included. Free, no login.
3000 characters left
Click or drop an image here
Click or drop an image for the link card
// text saves to this browser only — images are never uploaded anywhere
// why this matters
Small things that make a post flop.
The 3,000-character limit
LinkedIn allows up to 3,000 characters, but posts longer than ~1,200 get truncated with a "see more" fold. Preview where the fold lands.
Image aspect ratio
LinkedIn crops images to a fixed ratio in the feed. Upload yours here to check how it will be cropped before you post.
Link card preview
The link preview pulls title, description, and image. Fill them in here to see exactly what will show up in your post.
// what's inside
Everything you need to check before you post.
Live character ring
A real-time 3,000-character counter that warns you when you're about to hit the limit.
Image upload preview
Upload an image and see it rendered inside the mockup at the exact size and position LinkedIn uses.
Link card preview
Fill in URL, title, description, and image to preview the link card as it would appear in your feed.
Light / dark mode
Switch instantly between LinkedIn's light and dark display modes without leaving the page.
Download the mockup
Export your preview as a PNG to share with a client or teammate for approval.
No login, no posting
Nothing here connects to LinkedIn. It's a private, local mockup — nothing is ever published for you.
// how it works
Three steps, one polished post.
$ write-your-post // watch the character ring as you go
$ add-an-image-or-link // optional, drag and drop or click
$ check-light-and-dark // then copy it into LinkedIn
$ ▍
// writing tips
Posts that get engagement.
Hook in the first line
The first few lines are what show in the feed preview. Put the most compelling statement there.
Keep paragraphs short
Dense blocks get skimmed. Break up your post into short, scannable paragraphs for better readability.
Use a high-quality image
Images with clear focal points perform better. Use the preview to ensure your crop isn't cutting off important details.
Check link preview accuracy
Make sure the link card's title, description, and image match your message. Preview it here to catch errors.
// faq
Questions, answered plainly.
What is the character limit for a LinkedIn post?
LinkedIn posts can be up to 3,000 characters. This tool counts characters live and warns you as you approach the limit.
Can I preview an image with my LinkedIn post?
Yes. Upload an image and it will appear inside the mockup exactly where it would in a real post, so you can check the crop and composition.
Can I preview a link card on LinkedIn?
Yes. Toggle to link mode and fill in the URL, title, and description to see how the link preview will render in the feed.
Does this tool post to LinkedIn for me?
No. This is a preview-only tool. It never connects to your LinkedIn account and never publishes anything on your behalf.
Can I see how my post looks in dark mode?
Yes. Use the light/dark toggle above the preview to check how your post renders in both of LinkedIn's display modes.
Is my post text or image stored anywhere?
Your draft text is saved only in your own browser's local storage so it survives a refresh. Uploaded images are not saved and nothing is sent to a server.