excel

XLSX to CSV — Convert any Excel sheet to CSV — pick a delimiter, pick a sheet, or zip all sheets at once. Runs in your browser, no upload.

XLSX to JSON — Convert any Excel sheet to JSON — array of objects keyed by header row, or array of arrays with no header.

Excel Unlocker — Remove edit protections, sheet locks, and workbook structure restrictions from Excel files. Runs entirely in your browser using the XML...

CSV to XLSX — Wrap a CSV file (or pasted CSV) into a single-sheet Excel .xlsx file. Pick the delimiter, sheet name, and output filename.

XLSX to PDF — Convert any Excel workbook to a PDF — each sheet renders as a landscape page with grid borders, scaled columns, and an optional bold heade...

CSV Studio — Drop a CSV file (or load 100-row demo data) and explore it like a power tool: filter rows, sort by multiple columns, bulk-update cells, vis...

PDF to Excel — Convert PDF tables to editable Microsoft Excel (.xlsx) spreadsheets. Detects columns automatically or lets you select delimiters, process...

SQLite Studio & Viewer — Explore, query, and convert SQLite databases in your browser. Runs entirely client-side using WebAssembly database execution.

Excel-like editable data table with sorting, filtering, add/delete rows and columns, and CSV/JSON export. Paste from Google Sheets or Excel. No upload — runs in your browser.

Free online Excel and Google Sheets formula debugger. Paste any formula to see its structure, function hierarchy, arguments, cell references, and nested functions in a tree view. Detects mismatched parentheses and unknown functions instantly.