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Link preview picture
ภาพตัวอย่างลิงก์
When a link is posted on LINE, Facebook, X, Bluesky or Mastodon, the picture and title next to it are what people see.
Today's price ฿800 / page
What you get
- Link preview picture฿800 / pageThe picture and title that show when a page is posted on LINE, Facebook, X, Bluesky or Mastodon.
How it goes
- You send the pages that need a preview. The price is per page.You · At the start
- A picture and a title are made for each page.Hongdam · The making
- They are set on the page, so they show when the page is posted on LINE, Facebook, X, Bluesky or Mastodon.Hongdam · At the end
- You send the pages that need a preview. The price is per page.You · At the start
- A picture and a title are made for each page.Hongdam · The making
- They are set on the page, so they show when the page is posted on LINE, Facebook, X, Bluesky or Mastodon.Hongdam · At the end
Useful facts
- The Open Graph protocol lists four required properties for a page: og:title, og:type, og:image and og:url. The og:image property is the URL of an image that represents the page. A companion property, og:image:alt, describes the image. ogp.me
- Meta's sharing page lists og:image:width and og:image:height, the image width and height in pixels, and says setting them helps the image load properly the first time it is shared. It lists image/jpeg, image/gif and image/png as the image types. developers.facebook.com
- Meta's page says images are cached by URL and are not updated unless the URL changes. Its Sharing Debugger triggers a scrape of the page and shows the meta tags the crawler reads and any errors it finds. developers.facebook.com
- Mastodon's documentation describes a preview card as a rich preview of a linked URL, generated using OpenGraph tags, with the title and description of the linked resource and a preview thumbnail. docs.joinmastodon.org
What others charge
| Bannerbear, an image service (one image render takes one credit) | US$49, US$149 and US$299 a month, with 1,000, 10,000 and 50,000 credits bannerbear.com |
|---|---|
| opengraph.io, a link preview service (a basic call takes 1 credit, a screenshot 20) | US$25, US$100 and US$250 a month, with 50,000, 250,000 and 1,000,000 credits opengraph.io |
| Hongdam · Link preview picture | ฿800 / page |
What people ask
What is an Open Graph image?
It is the image set in a page's og:image property, a URL for an image that represents the page. The Open Graph protocol lists og:title, og:type, og:image and og:url as the four required properties for a page. ogp.me
Why does an old preview picture stay after the picture is changed?
Meta's page says images are cached by URL and are not updated unless the URL changes. To show a new image, the page publishes it under a new URL. developers.facebook.com
Which file types can a link preview image be?
Meta's sharing page lists image/jpeg, image/gif and image/png as the types for og:image:type. It also lists the image width and height in pixels, which it says help the image load properly the first time it is shared. developers.facebook.com
Where does a Mastodon link preview come from?
Mastodon's documentation says a preview card is generated using OpenGraph tags from the linked URL. It carries the title and description of the linked resource and a preview thumbnail. docs.joinmastodon.org
How much do tools that make share images cost?
Bannerbear's pricing page lists US$49, US$149 and US$299 a month, in US dollars, with 1,000, 10,000 and 50,000 credits. One image render takes one credit, and the cost rises with the number of formats and the scale. bannerbear.com
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Small print
Prices here move with demand: when most of a month's places are taken, the price goes up a step; when few are, it comes down a step.
Sources read 2026-10-24.