Everything in the catalog

Converts CSV files to JSON after a preview of headers and sample rows, processed client-side.

In-browser JSON to CSV converter with an editable table preview and one-click export.

Official SQLite WebAssembly shell for running SQL in a private in-browser database.

Open an SQLite file in the browser to inspect tables and run queries without upload.

Paste spreadsheet cells and receive a Markdown table.

Convert CSV text, file or URL contents into JSON.

Convert an Excel sheet into JSON.

Check JSON for syntax errors and share the result.

View, beautify and tree-browse JSON.

Compares two lists and shows the items missing from either.

Turn CSV into an HTML table, with options for styling.

Turn CSV or TSV text into JSON with options for array or keyed output.

Convert CSV data into a Markdown table.

Generate SQL INSERT or CREATE TABLE statements from CSV data.

Convert CSV rows into XML elements.

Convert CSV rows into YAML.

View and edit CSV in a grid, with sort, filter and column operations.

Flatten JSON into CSV or TSV rows with delimiter options.

Flatten XML into CSV rows.

Removes duplicate addresses from a pasted email list.

SQL beautifier covering many dialects such as SQL Server, Oracle, MySQL and Snowflake.

Compare two JSON documents and highlight differences.

Shows what actually changed between two JSON documents, ignoring key order and whitespace.

Format, validate and convert JSON, with tree view and download options.