Data & tables
Convert tables and edit data while preserving values.
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CSV and JSON converter
Convert CSV tables and JSON locally while preserving string cells and checking headers and quotes.
CSV editor
Edit CSV cells, filter and sort rows, add rows, then choose export columns and optional cleaning while retaining the original table.
Merge CSV files
Merge CSV tables in your chosen order, aligning headers or taking the union of columns, with local export.
Join two tables
Join two tables on 1–3 key columns using an inner or left join, with explicit duplicate and empty-key behavior.
Create a pivot table
Summarize CSV by row dimensions and an optional column category, using count, sum, minimum, maximum or mean.
Compare two tables
Compare two table versions by a unique key, showing additions, removals, data changes and row-position changes.
Transpose rows and columns
Turn CSV rows into columns with explicit header handling, without padding missing cells or changing values.
Create charts from data
Turn selected CSV columns into grouped bars or categorical lines, with a data table and local SVG and PNG downloads.
XLSX and CSV converter
Export one selected XLSX sheet as raw-value CSV or JSON, or convert a local CSV file to XLSX with literal text cells.