Spreadsheet to HTML

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.

Drop your CSV, Excel, TSV, ODS, or JSON file here or click to select

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.