Tools starting with J

Escape text for a JavaScript string literal, including the </script> case.

Run JavaScript in a sandboxed frame and read the console output on the page.

Estimate jet lag recovery from the time zones crossed and direction, with a pre-adjustment schedule.

Combine images into a single PDF, with page size, orientation and margin control.

Convert JPG images to PNG in your browser, with no upload and no watermark.

Convert JPG images to WEBP in your browser, with no upload and no watermark.

Convert JSON to XML or XML back to JSON, in either direction.

Convert JSON to YAML or YAML back to JSON, in either direction, with indent control.

Compare two JSON documents structurally, ignoring key order and formatting.

Escape text so it can be embedded safely inside a JSON string.

Format, validate and minify JSON with clear error messages that point at the exact position.

List every key path in a JSON document with its type and how often it appears.

Test a JSONPath-style query against a document and see what it matches.

Infer a draft 2020-12 JSON Schema from a sample document, with format and enum detection.

Check a JSON document against a schema and get a JSON Pointer to every value that fails.

Sort JSON object keys alphabetically at every level, leaving arrays alone.

Turn an array of JSON objects into CSV, flattening nested objects into dotted columns.

Turn JSON into a paginated PDF, re-indented and set in a monospace font.

Turn an escaped JSON string back into readable text, with or without its quotes.

Pull every value stored under a given key name, wherever it appears in the document.

Explore JSON as a collapsible tree, with node counts, depth and located errors.

Check JSON-LD structured data against the properties search engines actually require.

Decode a JSON Web Token to inspect its header, payload, expiry and claims.