Inspect, debug, and preview Open Graph link metadata from the terminal

Novalink is a CLI and local web tool for inspecting OG/Twitter card metadata, simulating how links unfurl in Slack, Telegram, and iMessage.

$ novalink check https://example.com/article

From the blog

April 5, 2026

Why debugging Open Graph previews is still painful in 2026

Every platform caches OG metadata differently, has different size limits, and different fallback behavior. There's no spec for any of it.

March 18, 2026

Novalink v0.2: watch mode and Telegram simulation

v0.2 adds --watch mode that re-checks metadata on file save, plus a new Telegram preview renderer.