Initial launch — 7 tools, 100% offline
- CSV ↔ JSON — Batch convert CSV to JSON and back. Custom delimiters, nested key expansion, 20-file free tier.
- XML ↔ JSON — Bidirectional XML/JSON conversion. Attribute mapping, namespace handling, pretty print.
- Excel → JSON/CSV — Convert .xlsx and .xls files. Multi-sheet support, per-sheet tabs in output panel.
- SQL → JSON/CSV — Parse SQL INSERT statements into JSON or CSV. Multi-table output, backtick/quoted identifier support.
- JSON Formatter — Validate, pretty-print and minify JSON. Syntax error highlighting with line numbers.
- Base64 Encode/Decode — Standard and URL-safe Base64. Works on text and binary files.
- JWT Decoder — Decode and inspect JWT tokens fully offline. Header, payload, expiry, algorithm.
- Pro Personal licence (€29) and Pro Business licence (€79) via Gumroad.
- Business tier includes GDPR compliance certificate PDF generator.
- Resizable split panels, fixed-height layout, expand button, output tab scroll on all batch tools.
CSV ↔ JSON
XML ↔ JSON
Excel → JSON/CSV
SQL → JSON/CSV
JSON Formatter
Base64
JWT Decoder