Documentation Index
Fetch the complete documentation index at: /docs/llms.txt
Use this file to discover all available pages before exploring further.

Skip to main content

ngrok documentation home page

Homepage
Dashboard
Sign up
Sign up

Share Localhost

Errors

Errors Reference

Error 10028

ERR_NGROK_10028

Failed to upload TLS Certificate. Invalid file format “FORMAT” given. Upload a TLS Certificate in PEM format.

Further help

If you’re having trouble resolving this error, please reach out to support@ngrok.com

Was this page helpful?

Suggest edits Raise issue

ngrok documentation home page

x github linkedin youtube

Product

Gateway AI Gateway Traffic Policy Secure Tunnels Traffic Observability Kubernetes Operator

Problems we solve

API gateway AI gateway Webhook gateway Ephemeral workloads Site-to-site connectivity Device gateway Remote access Share localhost Connect MCPs to AI providers Test webhooks Access remote K8s clusters Minecraft

Resources

Docs Guides Pricing Download Security Trust Case studies Integrations Support Abuse Status

Company

About Contact Blog Newsletter Press Brand Careers

Powered byThis documentation is built and hosted on Mintlify, a developer documentation platform