Convert between common data and document formats. Most run entirely in your browser — your files never leave your device.
Parse CSV with auto headers into JSON array
Flatten a JSON array into CSV with header row
Convert CSV to native Excel workbook
Extract any sheet of an Excel workbook as CSV
Wrap plain text into a paginated PDF
Render styled HTML to a printable PDF
Word → PDF via mammoth + html2pdf
Editable Word document — free, in your browser
Extract plain text from Word via mammoth
PDF.js text extraction with page numbers
Nine active converters run entirely in your browser using battle-tested libraries: PapaParse for CSV ↔ JSON, SheetJS for Excel, jsPDF for text-to-PDF, html2pdf for HTML-to-PDF, mammoth.js for Word, PDF.js for PDF text. Your files never leave your device — no upload, no privacy risk, no waiting for a server queue.
PDF → DOCX with formatting intact is the one hard problem we haven't shipped yet — it's on the premium roadmap. Leave your email on the PDF to DOCX page to get notified at launch.