Your files stay on your Mac.
Convertessa reads the audio track in each MOV file and writes it to an uncompressed PCM WAV file — original resolution preserved, no re-encoding artefacts. The conversion runs entirely on your Mac; your files never leave your machine. Drop a single clip or an entire folder and convert in one pass.
Drag one MOV file or a whole folder of clips into Convertessa. Batch mode processes every MOV in the folder in a single pass.
Pick WAV from the output format list. Convertessa will extract the audio track from each MOV and write it as a standard uncompressed PCM WAV file.
Click Convert. Your WAV files appear alongside the originals. No internet connection required — everything runs offline on your Mac.
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.
No. WAV stores audio as uncompressed PCM, so Convertessa preserves the original audio track at full resolution. There is no lossy re-encoding step.
Never. Convertessa runs entirely offline on your Mac. Files are read and written locally and are never sent to any server.
Yes. Drop a folder into Convertessa or run convertessa /path/to/folder/ --to wav in the terminal to batch-convert every MOV file in one go.