jsonpost

Converters

Convert JSON to and from CSV, XML, YAML, Excel, Base64, query strings, HTML, Markdown, and more.

JSON to CSV Converter

Convert JSON arrays into clean CSV with automatic header detection and nested-object flattening.

CSV to JSON Converter

Transform CSV or TSV into JSON with automatic type detection for numbers and booleans.

JSON to XML Converter

Convert JSON into well-formed XML with configurable root elements and attribute handling.

XML to JSON Converter

Parse XML into clean JSON with smart handling of attributes, namespaces, and repeated elements.

YAML to JSON Converter

Convert YAML configuration into JSON with full support for anchors and nested structures.

JSON to YAML Converter

Transform verbose JSON into clean, human-readable YAML perfect for configuration files.

Excel to JSON Converter

Upload .xlsx or .xls files and convert spreadsheet data into structured JSON right in your browser.

JSON to Excel Converter

Turn JSON arrays into downloadable Excel spreadsheets with proper columns and typed cells.

JSON to TSV Converter

Convert JSON into tab-separated values for easy pasting into spreadsheets and data tools.

Base64 to JSON Decoder

Decode Base64-encoded strings back into formatted, readable JSON in one step.

JSON to Base64 Encoder

Encode JSON into a Base64 string for safe transmission in URLs, headers, and data URIs.

JSON to Query String Converter

Convert a JSON object into a URL-encoded query string, and back again.

HTML Table to JSON Converter

Paste an HTML table and extract its rows into a clean JSON array.

JSON to HTML Table Converter

Render JSON arrays as a styled HTML table you can copy into emails, docs, or web pages.

JSON to Markdown Table Converter

Convert JSON arrays into GitHub-flavored Markdown tables for READMEs and documentation.