Your files stay on your Mac.
Convertessa reads your .md files and writes Typst source (.typ) you can compile into a precisely typeset document. Headings, lists, bold, italic, code blocks, and links carry over as their Typst equivalents. Conversion runs entirely on your Mac — no upload, no account.
Drag one .md file or an entire folder onto Convertessa. The app reads every Markdown file it finds.
Pick Typst (.typ) from the output format list. Convertessa writes a .typ source file for each input document.
Click Convert. Typst files appear alongside your originals, ready to open in Typst or compile to PDF.
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.
Headings, bold, italic, inline code, fenced code blocks, blockquotes, ordered and unordered lists, and links all map to their Typst equivalents.
Yes. Pass a folder path on the command line or drop the folder onto the app window. Convertessa converts every .md file it finds and writes one .typ file per input.
No. Convertessa runs entirely offline. Your Markdown content is never sent to a server or third-party service.