Your files stay on your Mac.
Convertessa reads your Word 97–2003 .doc files and writes them as OpenDocument Text .odt files — fully compatible with LibreOffice, OpenOffice, and any standards-based editor. The conversion runs entirely on your Mac: no file upload, no cloud service, no internet connection required. Drop a single file or point Convertessa at a folder to batch-convert every .doc inside it.
Drag one or more .doc files into Convertessa, or select a folder to queue every .doc file it contains for batch conversion.
In the output list, Choose OpenDocument Text (.odt). Set quality if you want to control the fidelity of embedded images in the output file.
Click Convert. Convertessa processes every file locally — metadata is stripped, your originals are untouched, and the resulting .odt files are ready to open in any OpenDocument-compatible application.
Images, audio, video, documents, archives and eBooks — all converted natively, right on your Mac.
Pick a format you have — see everything Convertessa can turn it into.
Convert hundreds of files at once with per-type group defaults and individual overrides.
First-class support for HEIC, AVIF and WebP — encode and decode, both ways. Read JPEG XL and a dozen more modern formats too.
Drop files anywhere on the window. Native, instant, and exactly what you’d expect on a Mac.
Dial in compression, resolution and bitrate. Keep originals pristine or shrink for sharing.
Never overwrite a file by accident. Convertessa appends safe suffixes automatically.
Every job is logged locally. Re-run a previous conversion or revisit recent outputs in a click.
Bundle your converted files straight into a single ZIP, TAR or 7z — packaged and ready to share the moment a job finishes.
Right-click any file in Finder and choose Convert. A Quick Action handles it on the spot — no need to open the app first.
Shrink Convertessa to a tidy mini window that tucks into a corner — just a drop zone and a format picker for quick, one-off conversions.
No cloud. No account. No upload. Every conversion happens entirely on-device, using the power already in your Mac. What you convert is nobody’s business but yours.
Script conversions, wire them into your build, or batch a folder from the terminal. The same engine, no GUI required.
Read the full CLI documentation →Shrink Convertessa down to a small, focused window — drop, convert, done, with your recent conversions one click away.
macOS 14+ · Apple Silicon & Intel
New formats, new features, and fixes — every release, on the record.
Convertessa maps DOC structures — headings, paragraph styles, tables, and embedded images — to their OpenDocument equivalents. Most formatting transfers cleanly; complex proprietary DOC features may render differently in strict ODT readers.
Yes. Author names, revision history, and other embedded metadata are stripped from the output ODT file.
Yes — drag a folder onto Convertessa and it queues every .doc file inside for batch conversion. From the command line, run convertessa ./documents/ --to odt to process a directory in one pass.