Metamorphosis Convertor

One app for every format. Convert images, audio, video & docs 100% on-device. No subscriptions, no hidden fees — pay once and use it forever.

Metamorphosis is a fast, private file converter for your iOS. Convert images, audio, video, and documents between dozens of formats — all processed entirely on your device. No uploads, no accounts, no waiting on a server.

One app replaces a dozen sketchy online converters and bloated utilities. Drag in a file, pick an output format, and you're done.

— PRIVATE BY DESIGN — Every conversion runs locally on your Mac using on-device engines. Your files never leave your computer and are never uploaded to a server. No tracking, no ads, no account required. What you convert is nobody's business but yours.

— ONE APP, MANY FORMATS — Images: PNG, JPEG, WEBP, AVIF, GIF, TIFF and more Audio: MP3, WAV, FLAC, AAC, OGG, OPUS, M4A and more Video: MP4, MOV, WEBM, MKV, AVI, M4V, 3GP and more Documents: Markdown, HTML, DOCX, PDF, EPUB and more

Need to open a photo from your iPhone or a RAW shot from your camera? HEIC, HEIF, and common RAW formats are supported as input, so you can convert them straight to JPEG, PNG, and more.

Stop hunting for a different tool every time you hit a new file type. Metamorphosis handles images, audio, video, and documents in a single, native app.

— SIMPLE, NATIVE, FOCUSED — • Drag and drop, or press Cmd+O to choose files • Convert single files or batches • Pick your output folder • Adjust quality settings per file when you need to • Clean, native macOS interface that feels right at home

— PAY ONCE, USE FOREVER — No subscriptions. No hidden fees. No surprise charges. Buy Metamorphosis once and it's yours — including future updates. The way software used to be.