5 Free Browser-Based Dev Tools: GraphQL Formatter, Docker Compose Validator, Dockerfile Linter, and More

Short summary

DevNestio released 5 new free, browser-based developer tools including GraphQL Formatter, Docker Compose Validator, and Dockerfile Analyzer—all vanilla JS, offline-capable, zero signup. Each tool provides specific validation: GraphQL operations, Docker configs, Dockerfiles for security/optimization, and email headers for phishing triage. The collection now totals 172 free utilities.

• •5 new browser-based dev tools launched: GraphQL, Docker Compose, Dockerfile, Protocol Buffer, and email header validators
• •All tools are free, vanilla JS, work offline, require zero signup
• •DevNestio now has 172 total utilities; each addresses specific validation needs for developers

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