A small app that converts images, audio, video and dev files right on your Mac or PC. Nothing ever leaves your machine.
macOS Universal & Windows x64 · One-time purchase · Free updates
What it converts
PNG, JPG, WebP, GIF, BMP, TIFF, HEIC, AVIF, SVG — batch convert entire folders in seconds.
MP3, WAV, FLAC, AAC, OGG, M4A, OPUS, AIFF — lossless or compressed, your call.
MP4, MOV, AVI, MKV, WebM and more — even convert a clip straight to animated GIF.
JSON ↔ YAML ↔ CSV, prettify or minify JSON — pure Rust, instant, no ffmpeg needed.
How it works
Drag and drop files — or use the menu bar icon to pick them directly.
Molt shows only formats that make sense for what you dropped.
Real-time progress per file. Batch dozens at once. No waiting for uploads.
Everything goes to the folder you choose — your Desktop, Downloads, anywhere.
No subscription. No cloud. Pay once, get free updates for life.