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Facebook Post Previewer
Preview how drafts and updates will look before posting. This tool helps you check text limits, image alignment, and card placements to verify layout styling.
✓ Free✓ No signup✓ Privacy first✓ Runs in your browser
Facebook Post Previewer – ToolPremier
Post Settings
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Post Attachment
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How it works
Convert in three steps

1. Enter update content

Paste or type your post text and upload a mock image or link URL.

2. Analyze the preview

Check how the text spacing, card heights, and margins look in the container.

3. Tweak your layout

Edit wording or sizing based on the mock layout before posting.

FAQ
Common questions
The mock layout is designed to match standard desktop and mobile feed container widths and margins. While it provides an accurate preview of layout, text cutoff points, and cropping, final rendering can vary based on individual screen sizing and app versions. It serves as a visual guide.
Yes, you can enter a mock link title, site source, and image to preview how the link preview card looks below your post text. This helps you evaluate if descriptions are truncated.
No, the tool is a visual layout previewer and does not connect to your profile or have posting access. You copy the approved text and graphics to publish manually on the platform.
No, the preview mockups are processed client-side. No text inputs, URL destinations, or uploaded graphics are saved on external servers, keeping your data private.
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About the Facebook Post Previewer
The Facebook Post Previewer is a fast, reliable utility designed for creators, advertisers, and community managers who want to check feed layout alignments. It offers a clean interface to test post drafts and image layouts before sharing updates. Whether auditing links or checking text sizes, the tool provides quick results.
Benefits
  • Check text cutoffs - see exactly where long updates will trigger See More buttons to keep vital hooks visible.
  • Verify link details - audit card previews to make sure headlines and titles do not cut off awkwardly.
  • Audit image crops - preview how uploaded graphics crop in the feed to verify text inside banners stays visible.
  • Improve layout presentation - adjust paragraph spacing and emoji positions to optimize post engagement.
Privacy
Calculations are processed entirely within the local web browser, meaning no preview text, link URLs, or graphics are sent to external servers.