Source document

Paste JSON once — every tab reads the same document. Nothing is uploaded, and nothing is stored unless you ask.

Remember my document

Drop a .json, .yaml or .csv file, or click to choose

Up to 5 MB • read in your browser, never uploaded

Paste or drop a JSON document to begin.

Format, minify & repair

Validation errors carry a real line:column. Repair is a separate, explicit step and reports every change it makes.

Indent Sort keys

JSONPath, plain dot-notation, or filter(...). Filter expressions are parsed and walked, never evaluated as script.

Paths as

Try

Try items[0].id, $..price, or filter(price > 50).

Nodes build as you expand them, so a large document stays responsive. Click any node to put its path in the breadcrumb.

Waiting for a document.

Each converter states its own limits — none of them guesses at input it cannot represent faithfully.

Format

Waiting for a document.