WebToolArcUseful YAML Tools starting points
Jump into a common task, then use the full directory below for more specialized tools.
YAML Tools
Browser-local YAML formatting, inspection, reshaping and config-format conversion tools.
Format → Inspect → Choose target model → Convert → Verify
TOML, Java Properties, ENV, XML, JSON and CSV do not share one universal data model. The workflow makes flattening and type boundaries explicit before you copy output into a real configuration.
Format & inspect
Core structured-data conversions
Config formats
Reshape & compare
All YAML Tools
YAML to JSON Converter
Convert YAML documents to formatted JSON locally with document/root statistics, parser status, and connected validation context.
YAML ToolsJSON to YAML Converter
Convert JSON to readable YAML locally while retaining connected JSON validity/structure context and explicit serialization limits.
YAML ToolsYAML Formatter
Format common YAML first, then continue into validation, tree inspection, config-format conversion, path finding, sorting or merge workflows.
YAML ToolsYAML Validator
Paste YAML to check syntax instantly, see parser diagnostics and structure, and catch common configuration footguns without uploading the file.
YAML ToolsYAML Viewer & Tree
Inspect the parsed data model before converting YAML into TOML, Properties, JSON, XML, CSV or ENV.
YAML ToolsYAML Diff & Compare
Compare parsed YAML structures by exact nested paths instead of raw line formatting.
YAML ToolsYAML Path Finder
Find YAML paths by matching key names or scalar values.
YAML ToolsYAML Key Extractor
Extract unique YAML mapping keys with occurrence counts and paths.
YAML ToolsYAML Sort Keys
Recursively sort YAML mapping keys while preserving array order.
YAML ToolsYAML Flattener
Flatten nested YAML into reversible bracket-style paths and values.
YAML ToolsYAML Unflattener
Rebuild nested YAML from flattened bracket-style path/value mappings.
YAML ToolsYAML to CSV Converter
Convert a YAML array of records into quoted CSV locally.
YAML ToolsCSV to YAML Converter
Convert quoted CSV rows into a YAML array of mappings.
YAML ToolsYAML to ENV Converter
Flatten a YAML mapping into uppercase KEY=VALUE environment-style lines.
YAML ToolsENV to YAML Converter
Convert KEY=VALUE environment text into a YAML mapping locally.
YAML ToolsYAML Merge Tool
Merge two YAML mappings with deep-replace or array-concat behavior.
YAML ToolsYAML to TOML Converter
Convert common YAML mappings into TOML tables, arrays and arrays-of-tables without inventing TOML temporal types from plain YAML strings.
YAML ToolsTOML to YAML Converter
Parse common TOML configuration into YAML with tables and arrays-of-tables mapped to nested mappings and sequences.
YAML ToolsYAML to Java Properties Converter
Flatten YAML into Java Properties-style key/value lines using a readable dotted path or reversible bracket path.
YAML ToolsJava Properties to YAML Converter
Parse Java Properties line continuations and escapes, then choose whether keys stay flat or are interpreted as dotted/bracket paths.