Free Tools

Check Open Graph tags, debug OG images, and preview social cards before sharing a URL

Generate copyable Open Graph and Twitter/X meta tags for any page

Check how a URL preview should look across social and messaging apps

Check OG image dimensions, file size, crawler access, and preview reliability

Debug Slack unfurls with metadata, image, and cache checks

Preview and debug Discord embeds before sharing a link

Install the browser extension after trying the checker in your browser

Generate favicons in all sizes for browsers, mobile devices, and app stores

Check Open Graph tags across multiple pages using your sitemap

Compress images without visible quality loss, all in your browser

Create a one-off Open Graph image with custom text and colors

Crop images to exact dimensions or common aspect ratios for social media