Text & Data Conversion Tools

Format JSON and convert between CSV, JSON, YAML, Markdown and HTML. Preview results and copy or download them from your browser.

JSON Formatter

Validate, format, minify, and inspect structured JSON data.

Convert quoted CSV data into JSON objects, arrays, or NDJSON.

Flatten JSON records into a delimited table with column selection.

Parse YAML documents, anchors, and merge keys into JSON.

Create readable YAML with configurable indentation and string quoting.

Generate HTML from Markdown and inspect a safe rendered preview.

Convert HTML structure into Markdown with configurable style choices.

Build a Markdown table from a grid with per-column alignment.

Move records between a delimited table and JSON, or exchange JSON and YAML configuration data.
CSV to JSON · JSON to CSV · YAML to JSON · JSON to YAML
Prepare a Markdown table, convert formatted content, or validate JSON before comparing versions.
Markdown Table Generator · Markdown to HTML · HTML to Markdown · JSON Formatter

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