Converts JSON files to XML format — APIs, configuration files, and data exchange between web services to enterprise systems, SOAP APIs, document formats like DOCX and SVG. All conversion happens locally in your browser with no file size limits.
Content reviewed October 2026 · About Toolzum
Converts JSON files to CSV format — APIs, configuration files, and data exchange between web services to spreadsheets, database exports, and data imports. All conversion happens locally in your browser with no file size limits.
Converts CSV files to JSON format — spreadsheets, database exports, and data imports to APIs, configuration files, and data exchange between web services. All conversion happens locally in your browser with no file size limits.
Converts CSV files to XML format — spreadsheets, database exports, and data imports to enterprise systems, SOAP APIs, document formats like DOCX and SVG. All conversion happens locally in your browser with no file size limits.
Generate PDF documents from plain text, CSV tables, JSON data, or XML content. Includes customizable title, font size, and table formatting for the CSV mode.
Generate common HTTP headers for JSON, REST, and GraphQL APIs with correct Content-Type and authorization patterns. Code never leaves your device — formatting and validation run locally in your browser.
JSON (JavaScript Object Notation) uses human-readable structured data encoding and is best for APIs, configuration files, and data exchange between web services. XML (Extensible Markup Language) uses verbose hierarchical markup encoding and excels at enterprise systems, SOAP APIs, document formats like DOCX and SVG. Converting between them lets you take advantage of each format's strengths — for example, using a compressed format for sharing and a lossless format for editing. All conversion happens locally in your browser with no file size limits.
Yes. Options include indentation style (tabs/spaces), XML declaration inclusion, attribute vs element encoding, and custom root element names.
Arrays can be encoded as repeated child elements or as a single element with comma-separated values. Choose your preferred style in settings.
No hard limit. Very large JSON files (100MB+) may cause slower processing, but most files convert instantly.
Yes. Deeply nested JSON structures are converted to properly nested XML elements with correct hierarchy.
Yes. All conversion happens locally in the browser. After the initial page load, no internet connection is required.
Data Format Converter
Convert data between JSON, CSV, XML, YAML, and TSV with structure preserved. Migrate configs across stacks without rewriting — local PapaParse/xml2js/yaml parsing, free, no signup.
CSV to JSON
Converts CSV files to JSON format — spreadsheets, database exports, and data imports to APIs, configuration files, and data exchange between web services. All conversion happens locally in your browser with no file size limits.