Magnum Thumbnail
Free thumbnail generator for LinkedIn, Twitter, and Facebook link previews. Edit the text, swap the logo, pick your colors. One-click PNG download at the exact 1200 by 630 size every platform expects.
Live preview (1200 × 630)
Downloads as og-card.png at exact 1200 × 630. Upload to your site, then wire into <meta property="og:image"> and <meta name="twitter:image">.
Exact 1200 × 630
The size LinkedIn, Twitter, and Facebook expect. No cropping, no stretching.
Real font rendering
Russo One and Inter load from Google Fonts. No Canva SVG tracing, no font fallbacks.
Your logo, right side
Paste any logo URL. Gets a soft gold drop-shadow so it lifts off the dark background.
One-click PNG
html2canvas renders the preview to a downloadable PNG. No screenshot, no server round trip.