Input
127.0.0.1 local.test
Formatted
127.0.0.1 local.test
Developer Tools
Hosts File Editor — Local Domain Mapping Tool
Format and validate /etc/hosts style rules in your browser, check IP validity, and clean blank lines and invalid comments when taking over messy host mappings.
hostsDNSNetwork
Quick switch:Whois Parser
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开发工具
Hosts File Editor
Format and validate /etc/hosts style rules in your browser, check IP validity, and clean blank lines and invalid comments when taking over messy host mappings.
/etc/hosts 工作区
1
解析器与查纠台 (Linter)
Use cases
- Clean up a messy inherited hosts file
- Validate IP and hostname mappings
- Remove stale comments and extra whitespace
How to use
- Paste system hosts content
- Review formatting and validation output
- Copy the cleaned rules back to the file
Example input and output
FAQ
Will it modify my system hosts file automatically?
No. It only processes text; writing back requires manual save with appropriate permissions.
How are invalid IPs reported?
Validation failures mark the problematic line so you can fix it and re-run the check.
Tools
Related tools
Continue with another translated tool for a nearby task.
Whois Parser
Whois Parser — Domain Registration Field Extractor
Structure raw Whois text in your browser and extract domain, expiry, DNS, and status fields for domain audits, renewal checks, and registration cleanup.
Whois Domain DNS