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Config File Validator vs Taplo: catalog facts
Config File Validator	Taplo
Free Free and open source under the Apache 2.0 licence.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Validates 18 formats with one command Schema validation with automatic SchemaStore lookup	Validates TOML against JSON schemas Configurable formatter
Automatic fixes cover only some problems Formatting checks apply to a subset of the supported formats	Focused on TOML only Editor integration beyond VS Code requires setting up the language server yourself
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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