Parse YAML 1.2 core
All documents use one named schema.
Three checks
Paste, inspect, format
Read line and column
Up to 100 issues stay visible.
Format only valid input
Parsed comments remain in YAML output.
Configuration review
Useful before a parser or deployment sees the file
- Find an accidental duplicate key.
- Count documents in a stream.
- Inspect anchor and alias use.
- Normalize layout without losing comments.
YAML 1.2 · browser only
Validate the whole YAML stream
Find duplicate keys and positioned syntax errors, inspect documents and format valid YAML without uploading it.