JSON / YAML / XML Formatter, Converter & Diff

Format, validate, prettify, minify, convert bi-directionally, and visually inspect side-by-side AST structural diffs across JSON, YAML, and XML documents.

Indent:

Valid

Lines: 1 | Chars: 0 | Size: 0 B

Ready

Lines: 1 | Chars: 0 | Size: 0 B

Structural Code Diff Comparison

+0 additions -0 deletions

Encoding Standards & AST Engine Architecture

Lossless Type Preservation

Bidirectional conversion parses document trees into normalized Abstract Syntax Trees (AST), preserving numbers, booleans, nested associative arrays, and null tokens accurately across formats.

Client-Side Native Execution

Engineered with zero-latency browser-side V8/SpiderMonkey compilation using standard DOMParser, JSON.stringify, and js-yaml for complete privacy and offline air-gap safety.

Myers Difference Algorithm

Diff engine tracks line-by-line insertions, removals, and modifications, calculating shortest edit scripts with colorized highlighting for fast configuration auditing.