Convert any spreadsheet or CSV file to a clean HTML table in seconds.
Upload your spreadsheet file – CSV, Excel (.xls/.xlsx), ODS, TSV or JSON – the tool processes it directly in your browser and generates pure HTML code, ready to embed in any website. No external sources, no backend, no data leaks.

Integration & Use Cases

◎ Fully client-side parsing with PapaParse & SheetJS via CDN – no server processing.
◎ How to use: Upload your file → copy the generated HTML → paste it into your website where you want the table to appear.
◎ Instant HTML output for direct copy-paste.
◎ Supports .csv, .tsv, .xls, .xlsx, .ods, and .json files exported from Excel, Google Sheets, LibreOffice, or any spreadsheet app.
◎ No external iframe or embed link – the HTML is yours to host anywhere.
◎ For advanced use (auto updates, dynamic feeds, or CMS integration), please contact OptimNest support.