Search tools
Find converters, cleaners, and previews. Share results with ?q= in the URL.
25 tools
CSV to TSV
Convert comma-separated values to tab-separated values without breaking quoted fields
CSV to JSON
Turn CSV or TSV rows into a JSON array of objects keyed by the header row
CSV to SQL
Generate CREATE TABLE and INSERT statements from CSV or TSV for MySQL, PostgreSQL, or SQLite
CSV to Excel
Turn CSV or TSV into an .xlsx workbook that keeps leading zeros and long IDs intact
CSV to Markdown
Turn CSV or TSV into a GitHub-flavored Markdown table for docs and READMEs
TSV to CSV
Convert tab-separated data, including ranges copied from a spreadsheet, into standard CSV
JSON to CSV
Convert a JSON array of objects into CSV, with one column for every key found
JSON to TSV
Convert a JSON array of objects into tab-separated rows you can paste into a spreadsheet
JSON to Excel
Turn a JSON array of objects into a single-sheet .xlsx workbook
Excel to CSV
Export any sheet of an .xlsx workbook as CSV, read from the stored cell values
Excel to JSON
Export a sheet of an .xlsx workbook as a JSON array of objects keyed by the header row
JSON to SQL
Generate CREATE TABLE and INSERT statements from a JSON array of objects
DB in Browser
Load CSV files as SQLite tables and query them with SQL, including joins, without a server
Data Process
Search, filter, sort, and rearrange CSV, TSV, or JSON data, then export exactly the view you built
Remove Duplicates
Remove duplicate rows from CSV, TSV, or JSON, matching on all columns or only the key columns you choose
Column Tools
Rename, drop, reorder, fill, split, combine, and cast columns in CSV, TSV, or JSON
Find & Replace
Find and replace text in selected columns of CSV, TSV, or JSON, with regex and whole-cell matching
Flatten JSON
Flatten nested JSON into CSV columns with dotted names, or nest dotted columns back into JSON
Sitemap to CSV
Turn an XML sitemap or sitemap index into a CSV of URLs with lastmod, changefreq, and priority
CSV & TSV Preview
View CSV or TSV as a readable table and export the table as an image
JSON Preview
View a JSON array of objects as a table, with one column per key
Markdown Preview
Live GitHub-flavored Markdown preview with sanitized HTML output, Copy HTML, and print to PDF
URL Encode / Decode
Percent-encode text for use in a URL, or decode percent-encoded query strings and paths
HTML Entities
Escape text so it displays literally in HTML, or decode entities such as & and ' back to characters
Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to text, with full UTF-8 support