Tools that run in your browser.

Turn a JSON array of records into CSV, with proper escaping.

Convert XML into JSON, attributes and text nodes included.

Convert JSON into XML, with sensible element names and nesting.

Turn a CSV into a JSON array of records — headers become keys.

Turn an X12 or EDIFACT file into readable XML — in your browser, nothing uploaded.

Turn an X12 or EDIFACT file into JSON — the shape you map from.

Turn an SAP IDoc into JSON — the shape you map from.

Turn a WSDL's operations, messages, and types into JSON.

Read an X12 or EDIFACT file segment by segment, with each qualifier explained.

See an SAP IDoc's control record, segments, and fields laid out plainly.

See a WSDL's operations, messages, and types without opening an IDE.

Pretty-print and indent JSON — in your browser, nothing uploaded.

Pretty-print and indent XML, however badly it arrived.

Check whether JSON is valid and see the first error.

Check whether XML is well-formed and see exactly where it breaks.

Encode text to Base64 — payloads, certificates, attachments.

Decode Base64 back to text, UTF-8 safe.

Percent-encode text for URLs and query strings.

Decode percent-encoded URL text back to readable form.

Read a JWT's header and claims — it never leaves your browser, and we never verify the signature.

Compare two JSON documents and see exactly what changed.

Compare two XML documents element by element.

Strip whitespace from JSON down to the smallest valid form.

Strip BOMs, zero-width characters, and stray whitespace from a payload.

Infer a JSON Schema from a sample payload.

Paste an XML or JSON sample — get every field path, ready to reference in a script.

Run an XPath against your XML and see what it selects.

Run a JSONPath against your JSON and see what it selects.