convert files without sending them anywhere.
Local tools for transforming your files. Everything runs in your browser - nothing is uploaded.
- nothing is uploaded
- works offline once loaded
Drop any file here
A spreadsheet, a database dump, a JSON, an image… the right tool opens with your file in it.
tools
- SpreadsheetsSplit a multi-sheet workbook into one file per sheet.XLSX · XLSM · XLS · XLSB · ODS · CSV · TSV → XLSX · CSV · JSON · Markdown · SQL
- SQLExtract tables from a SQL dump or a SQLite database and convert them.SQL dumps · SQLite databases · Firebird databases · Firebird backups · SQL Server backups → SQL · CSV · XLSX · JSON · JSON Lines · Markdown
- DataConvert structured data between CSV, JSON, YAML and more.CSV · TSV · JSON · JSON Lines · YAML · XML → CSV · TSV · JSON · JSON Lines · YAML · Markdown · SQL · XLSX
- MarkdownTurn Markdown into an HTML file, or HTML into Markdown.Markdown · HTML → HTML · Markdown
- JSON to TypeScriptWrite TypeScript types that describe a JSON sample.JSON → TypeScript
- ImagesConvert SVG and raster images to PNG, JPEG or WebP.SVG · PNG · JPEG · WebP · AVIF → PNG · JPEG · WebP
Every tool reads your file in the browser and writes the result back to it. Your data never leaves this tab, there is no server behind any of this, and no SQL from your files is ever executed.