Convert tools 22
Move data between formats: JSON, CSV, YAML, Base64, Markdown and more.
CSV Column Extractor
Pull a single column out of CSV data as a clean list.
CSV Delimiter Converter
Swap between comma, semicolon, tab and pipe separated data.
CSV to JSON
Convert CSV or TSV into clean JSON, with the delimiter detected for you.
CSV to Markdown Table
Turn CSV data into a Markdown table for READMEs, docs and issues.
CSV to SQL Insert
Generate INSERT statements from CSV data, ready to paste into a client.
CSV to XLSX
Turn CSV or TSV files into an Excel workbook, with one sheet per file and numbers stored as numbers.
CSV Viewer
Open a CSV or TSV file as a proper table you can search, sort and scroll, without a spreadsheet app.
HTML Table to CSV
Paste an HTML table and get clean CSV, Markdown or JSON out of it.
HTML to Markdown
Convert HTML back into tidy Markdown source.
JSON Flattener
Flatten deeply nested JSON into dot-notation keys, or expand it back.
JSON to CSV
Turn an array of JSON objects into a spreadsheet-ready CSV file.
JSON to Query String
Convert a JSON object into a URL query string, and back again.
JSON to XML
Convert a JSON document into equivalent XML markup.
JSON to YAML
Convert JSON into readable YAML for configs and pipelines.
List to JSON Array
Turn a pasted list of lines into a JSON array of strings or numbers.
Markdown Table Generator
Paste CSV, TSV or pasted spreadsheet cells and get an aligned markdown table.
Markdown to HTML
Convert Markdown into clean HTML: headings, lists, links, tables and code.
What Can I Do With This File?
Drop any file to identify what it really is, then jump straight to a tool that can work on it, with the file already loaded.
XLSX to CSV
Convert an Excel workbook into CSV, one sheet at a time or every sheet at once as a ZIP.
XLSX Viewer
Open an Excel workbook in your browser: switch sheets, search, sort by any column and see the formulas behind cells.
XML to JSON
Parse XML into a JSON structure, attributes included.
YAML to JSON
Convert YAML configuration into JSON.
About the convert tools
Move data between formats: JSON, CSV, YAML, Base64, Markdown and more. There are 22 of them here, and every one runs inside your browser: no upload, no queue, no account.
Everything in this category
- CSV Column Extractor: Pull a single column out of CSV data as a clean list.
- CSV Delimiter Converter: Swap between comma, semicolon, tab and pipe separated data.
- CSV to JSON: Convert CSV or TSV into clean JSON, with the delimiter detected for you.
- CSV to Markdown Table: Turn CSV data into a Markdown table for READMEs, docs and issues.
- CSV to SQL Insert: Generate INSERT statements from CSV data, ready to paste into a client.
- CSV to XLSX: Turn CSV or TSV files into an Excel workbook, with one sheet per file and numbers stored as numbers.
- CSV Viewer: Open a CSV or TSV file as a proper table you can search, sort and scroll, without a spreadsheet app.
- HTML Table to CSV: Paste an HTML table and get clean CSV, Markdown or JSON out of it.
- HTML to Markdown: Convert HTML back into tidy Markdown source.
- JSON Flattener: Flatten deeply nested JSON into dot-notation keys, or expand it back.
- JSON to CSV: Turn an array of JSON objects into a spreadsheet-ready CSV file.
- JSON to Query String: Convert a JSON object into a URL query string, and back again.
- JSON to XML: Convert a JSON document into equivalent XML markup.
- JSON to YAML: Convert JSON into readable YAML for configs and pipelines.
- List to JSON Array: Turn a pasted list of lines into a JSON array of strings or numbers.
- Markdown Table Generator: Paste CSV, TSV or pasted spreadsheet cells and get an aligned markdown table.
- Markdown to HTML: Convert Markdown into clean HTML: headings, lists, links, tables and code.
- What Can I Do With This File?: Drop any file to identify what it really is, then jump straight to a tool that can work on it, with the file already loaded.
- XLSX to CSV: Convert an Excel workbook into CSV, one sheet at a time or every sheet at once as a ZIP.
- XLSX Viewer: Open an Excel workbook in your browser: switch sheets, search, sort by any column and see the formulas behind cells.
- XML to JSON: Parse XML into a JSON structure, attributes included.
- YAML to JSON: Convert YAML configuration into JSON.