Lightweight, single-file utilities for SQL, data management, and developer workflows.
Paste SQL CREATE TABLE statements and get an interactive ER diagram with FK relationships, drag, zoom, and 5 layout presets.
Define field mapping rules once, run against any batch of XML, JSON, CSV, or text files. Date normalisation, transforms, aliases, and saved jobs — all local, no uploads.
Launch Tool →Stats, distributions, nulls, and charts from any CSV.
Paste a diff, get a clean conventional commit.
Fill a form, get a properly formatted Architecture Decision Record.
Validate, pretty-print, minify, and tree-view JSON.