Turn Word, Excel, PowerPoint, images and HTML into PDF, and convert PDFs back into editable, structured or archival formats.
33 tools
The convert tools turn files into PDF and PDFs into other formats. Word, Excel, PowerPoint, images, HTML, Markdown and more go in, and editable Word, spreadsheets, slides, images, text and archival PDF/A come out.
Drop a file in the box above and indox picks the matching converter, or open a tool and add several files to the queue. Free conversions need no account, and a few Pro tools need a paid plan.

More hubs sit next to Convert. Organize reshapes pages, Edit changes what is inside a PDF, and Advanced handles OCR, compression and repair.
Browse all toolsMerge, split, rotate, rearrange and renumber pages.
Images, stamps, metadata, annotations and attachments.
OCR, compress, compare, repair and the Multi-Tool editor.
Password, sign, watermark, sanitize and redact your PDFs.

No tool matches that search.
Document formats (Word, Excel, PowerPoint, HTML) convert on Stirling-PDF and LibreOffice, and every other pair runs on the engine best suited to it. You never pick the engine, the tool does it for you.
File size limits depend on your plan, paid plans allow larger files and priority processing.
indox detects the file type and sends you straight to the matching converter with your file attached.
Files are processed on indox infrastructure and auto-expire after conversion. We never share or sell your documents.
Free conversions run with no signup. Pro tools such as Email to PDF, PDF to CSV and PDF to XML unlock with any paid plan and add batch and priority processing.
Yes. Drop multiple files in the box above, or open any converter and add files to the queue before starting.
Yes. The Convert from PDF tools produce Word, Excel, PowerPoint, text, HTML, Markdown, EPUB, JSON and images, and PDF to Excel pulls tables into a spreadsheet.
Yes. The same converters are available as a REST API, and the docs quickstart shows how to authenticate, convert and download.