SmashDash – free spreadsheet tools right in your browser
SmashDash bundles five free tools for Excel, CSV and PDF files: visualise data, design charts, convert tables, clean data and pull tables out of PDFs. Everything runs entirely in your browser – no upload, no account, 100% privacy-friendly.
Five spreadsheet tools in one place
One page instead of five separate programs. Each tool targets a typical spreadsheet task and is ready instantly – no install, no sign-up.
- Data dashboard: load an Excel or CSV file and build an interactive, filterable dashboard with bar, line, area, pie, doughnut and Sankey charts by drag-and-drop.
- Mockup Studio: design charts with your own values and export them as SVG, HTML or embed – ideal for presentations and coursework.
- Spreadsheet converter: turn Excel, CSV and JSON into XLSX, CSV, JSON, Markdown or HTML, multiple sheets at once.
- Clean Studio: remove duplicates and empty rows, trim whitespace, normalise number formats and find & replace.
- PDF tools: merge PDFs, split them into single pages, compress and extract tables to Excel or CSV.
Your data never leaves your computer
SmashDash processes all data locally in the browser. Nothing is uploaded to a server and your files are never shared – fully privacy-friendly. That makes SmashDash safe even for sensitive spreadsheets from university, school, work and clubs.
Done in three steps
Pick a tool, load a file or enter values, then adjust and export. No tutorial needed – most tasks are finished in under a minute.
All SmashDash tools at a glance
SmashDash brings five free spreadsheet tools together in one place – each runs entirely in the browser, with no upload and no account:
- Turn Excel and CSV into interactive, filterable charts. – Turn Excel and CSV into interactive, filterable charts.
- Design charts with your own values and export them as SVG or HTML. – Design charts with your own values and export them as SVG or HTML.
- Convert Excel, CSV and JSON into XLSX, CSV, JSON, Markdown or HTML. – Convert Excel, CSV and JSON into XLSX, CSV, JSON, Markdown or HTML.
- Remove duplicates and empty rows, normalise number formats. – Remove duplicates and empty rows, normalise number formats.
- Merge, split and compress PDFs and extract tables. – Merge, split and compress PDFs and extract tables.
All processing happens locally in your browser – your files are never uploaded, fully privacy-friendly.