Image Tool‪+‬ 4+

Batch Convert, Resize, Optimize, Compress, and watermark various types of images.
Preview result images with a compare slider.

# Easy to Use
You can drag & drop images, folders, and directories from web browsers like Safari.
You can output multiple types of images at one time.

# Support Images Input type
HEIC, PNG, APNG, JPG, GIF, TIFF, DNG, EPS, PSD.
and more: bmp, jbig, bie, pnm, pgm, pbm, mag.

# Support Images Output type
WebP, AVIF, PNG(APNG), JPG, GIF, HEIC, TIFF, BMP
Option to preserve Exif when converting to PNG, JPG, HEIC, TIFF.
You can choose to keep the original extension at the filename.

# Optimize Support
Resize your images with aspect. Choose the maxWidth or maxHeight.
WebP Encoding Options can be selected.
Output WebP, JPG, and HEIC with changing its quality. A higher value means better quality.
Compress the PNG option to reduce image size. (APNG is not supported.)
Optimize JPEG images with jpegtran, mozjpeg, and jpeg-archive(ssim, ms-ssim).

# Remove Background
Available on macOS 14 or later.
Images in which the subject and background are easily distinguishable are suitable.
Accuracy depends on Apple VisionKit. (Same level as subject cropping in Apple's standard apps).
Manual fine-tuning is not available.

# Add Prefix / Suffix
You can add a prefix or a suffix with...
- Order in the list.
- Resized width(height) px.
- writing by yourself.

# Add Watermark
You can add a watermark when converting.
Both static and animated images are supported.

# Secure
All processes are done on your mac.
You don't need to upload your important images to the Internet.

# And More!
The dark mode is supported.

※ If you have any requests, please send an E-mail to sonice.d1v1b[-]gmail.com. ([-]→@)
※ Please note that macOS dafault apps (ex:Finder and Safari) cannot read the correct WebP Color Profile yet.
※ This app includes QuickLook plugin to display AVIF files. Please note that macOS default apps cannot display AVIF files.