Transmute Image Converter

Convert images between formats instantly — right on your device. No uploads, no servers, no waiting.
Transmute converts PNG, JPEG, WebP, HEIC, TIFF, and BMP with full control over quality and size. Everything happens locally on your iPhone, iPad, or Mac.

Convert Any Format
PNG → JPEG → WebP → HEIC → TIFF → BMP
All combinations supported
Automatic format detection

Batch Processing
Convert dozens of images at once
Real-time progress tracking
Parallel processing for speed

Compression & Resize
Quality slider for lossy formats
Resize by percentage, dimensions, or longest edge
See file size before and after

Fully Offline
No internet required
No data ever leaves your device
No accounts, no tracking

Metadata Control
Preserve or strip EXIF, GPS, and IPTC data
Your choice, every time

Free to Use
5 free conversions per day
Transmute Pro ($9.99 one-time) unlocks unlimited conversions forever
No subscription - pay once, keep it

Built for photographers, designers, developers, content creators, and anyone who works with images.