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NailongVPN · FREE CONNECTIVITY TOOL

Check your Clash configuration.

Failed import, format error or missing nodes? Identify whether you have a subscription address, protocol list or Clash YAML / JSON configuration, then find the next step.

Paste configuration text

Up to 256 Ki characters. The example uses a reserved .invalid domain and cannot connect.

No configuration? Try a common error example
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CHECK RESULTS

Ready to check

Select Check configuration to see the result here. Reports show only issue types, counts and line numbers, without repeating endpoints or passwords.

Choose the matching subscription format

FROM FORMAT TO CONNECTION

Continue with connection checks.

Passing basic structure checks does not establish connectivity. Proxy counts here also exclude nodes inside remote providers.

  1. Use the matching format

    Clash Verge Rev and FlClash use Clash configurations. Shadowrocket has different import paths and protocol support. Renaming a file to .yaml does not convert it.

    Choose your client and format

  2. Update and activate in your client

    Follow your device guide to update the subscription, activate the intended profile, select a node and start the connection.

    Read the five device guides

  3. Verify the exit and application

    Check the browser's actual exit and test your target application. Terminals, APIs and browsers may use different proxy paths.

    Check your current exit IP

Scope and references

This tool is independent of Clash and Mihomo. It checks common structures against public configuration documentation, with limited YAML alias expansion. It is not a complete core configuration validator and does not test account status, speed, IP type or platform account risk.

Mihomo: proxy configurationMihomo: proxy providersYAML parser documentation

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