Slack Link Preview Debugger
Slack previews are often the first impression for internal tools, docs, and incident links. Validate metadata before sharing.
Use Cases
- Improve internal documentation links
- Check incident postmortem previews
- Validate product announcement links
Workflow
- 1Paste the URL in the OpenGraph preview tool.
- 2Review the detected title, description, and preview image.
- 3Fix missing or blocked metadata.
Practical Tips
- Make titles useful without the page context.
- Use HTTPS images.
- Avoid generic descriptions across many pages.
Common Questions
Does Slack require special metadata?
Slack generally relies on standard OpenGraph fields.
Why does Slack show no image?
The image may be missing, blocked, too large, or not available over HTTPS.