Your files stay on your Mac.
Convertessa reads every layer in your PSD and writes a flat, web-ready JPG. Because JPG is lossy, you set the quality level before converting — higher keeps more detail, lower produces smaller files. Everything runs on your Mac; files never leave your machine.
Drag one PSD or an entire folder into Convertessa. Batch mode converts every PSD in the folder in a single pass, no repeat clicks required.
Choose JPG from the output list, then set your preferred quality level. Higher quality retains more detail; lower quality produces smaller files.
Click Convert. Convertessa flattens the PSD layers and writes each JPG alongside the source file. EXIF metadata is stripped from every output.
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. Convertessa runs entirely on your Mac. PSD files are read locally and the resulting JPGs are written to your disk — nothing is sent to a server.
Yes. Point Convertessa at a folder and it converts every PSD inside to JPG in one pass. From the command line: convertessa ./designs/ --to jpg.
Yes. Convertessa preserves the resolution of the source PSD. Only the file format and quality encoding change.