Data & Spreadsheets
Tabular data parsing, conversion, and cleanup utilities. Every tool runs 100% locally in your browser so your data never leaves your device.
Data & Spreadsheets
CSV to JSON
Convert CSV spreadsheets and files into structured JSON array objects directly in your browser.
JSON to CSV
Transform JSON arrays or nested objects into clean, exportable CSV tabular data.
CSV to Excel
Convert delimited CSV files into formatted Microsoft Excel (.xlsx) workbooks.
Excel to CSV
Extract and convert Excel spreadsheets (.xlsx, .xls) into clean, standard CSV files.
CSV Viewer & Editor
View, filter, sort, and edit CSV files in an interactive spreadsheet grid directly in your browser.
XML to JSON
Convert XML markup documents and data trees into clean, formatted JSON objects.
YAML to JSON Converter
Convert YAML configuration documents and arrays into valid, formatted JSON.
Duplicate Row Remover
Remove duplicate rows and repeated lines from CSV, spreadsheet, or raw text lists.
Table to Markdown
Convert CSV, Excel, or HTML tables into clean GitHub Flavored Markdown table syntax.
JSON to Table
Render complex JSON arrays and objects into a structured, readable HTML table.
Date Format Converter
Convert and batch transform dates across ISO 8601, RFC 2822, UNIX epoch, and custom formats.