Data tools
27 data utilities — 26 live so far.
26 of 27 live · the rest ship in waves, each unit-tested in public.
Data & tabular (CSV / JSON / SQL)27
- Column statistics
Paste a column, get sum/avg/median/outliers
- CSV cleaner
Trim, dedupe rows, fix quoting and encoding
- CSV joiner
SQL-style join of two CSVs on a key
- CSV splitter
Split big CSVs by rows or size
- CSV to Markdown table
Also HTML tables
- CSV to SQL
Generate CREATE TABLE and INSERTs
- CSV viewer/editor
Spreadsheet-style grid in the browser
- Data anonymizer
Mask PII columns before sharing
- Data profiler
Column types, nulls, uniques, distributions
- Delimiter converter
CSV / TSV / pipe / semicolon
- JSON diff
Structural compare of two JSON documents
- JSON formatter
Format, validate, tree view, precise error pointer
- JSON minifier
Strip whitespace for payloads
- JSON Schema generator
Infer a schema from sample JSON
- JSON Schema validator
Validate payloads against a schema
- JSON to CSV
Flatten nested JSON to CSV and back
- JSON to TOML
Config format conversion
- JSON to XML
Two-way convert
- JSON to YAML
Two-way convert
- JSONL tools
Line-delimited JSON to JSON/CSV and back
- JSONPath / jq playground
Query JSON interactively
- Markdown table editor
Visual editor that outputs aligned MD
- Mock data generator
Schema to realistic fake CSV/JSON with Indian locale (names, phones, PAN, GSTIN)
- Parquet viewer
Open and convert Parquet files in-browser
- SQL formatter
Pretty-print or minify SQL
- SQL playground
SQLite/DuckDB in the browser; query uploaded CSVs
- Transpose table
Swap rows and columns