YAML to JSON Converter

Free online YAML to JSON converter. Paste YAML and get valid, formatted JSON instantly. Runs entirely in your browser — nothing is uploaded.

Convert YAML config into valid JSON for APIs, tooling and debugging — with instant validation of the YAML you paste.

Why use this converter

• 100% client-side — your data never leaves your browser
• Free and unlimited, no account required
• Works offline as an installable PWA, on desktop and mobile
• No ads and no tracking

Also known as

yaml to json · yml to json · yaml to json converter · convert yaml to json online

More developer tools

• JSON Formatter
• YAML Formatter
• XML Formatter
• CSV Viewer
• JSON ⇄ XML
• SQL Formatter
• HTML Formatter
• CSS Formatter
• Regex Tester
• Smart Diff
• String Utilities
• Base64 Encoder & Decoder
• JWT Decoder
• Hash Generator
• URL Encoder & Decoder
• Number Base Converter
• Unix Timestamp Converter
• Cron Parser
• UUID Generator
• Lorem Ipsum Generator
• Fake Data Generator
• Color Picker
• JSON → XML
• XML → JSON
• JSON → YAML
• YAML → JSON
• CSV → JSON
• JSON Diff
• XML Diff
• Text Diff
• Base64 Encode
• Base64 Decode
• URL Encode
• URL Decode
• Hex → Decimal
• Decimal → Hex
• HEX → RGB
• RGB → HEX