Text to CSV →
General-purpose converter for any tabular text into clean CSV.
JSON to CSV →
Convert JSON arrays and objects to CSV. Flatten nested objects with dot notation.
CSV to JSON →
Turn CSV rows into JSON arrays of objects or arrays. RFC 4180 parsing.
TXT to CSV →
Convert tab, space, pipe, or semicolon-separated .txt files into RFC 4180 CSV.
YAML to CSV →
Convert YAML mappings and sequences to CSV. Handles anchors, aliases, nesting.
XML to CSV →
Convert XML documents into CSV rows. Attribute support, nested element flattening.
HTML Table to CSV →
Extract tables from HTML pages into CSV. Colspan, rowspan, and links supported.
Markdown to CSV →
Extract Markdown tables (ChatGPT/Claude output, README docs) into clean CSV.
XLSX to CSV →
Convert Excel files (.xlsx, .xls, .ods) to CSV. Multi-sheet, ISO dates, in-browser.
CSV to XLSX →
Build a proper Excel workbook from CSV. Preserves types, prevents leading-zero loss.