batch image processor   ·   100% local  ·  nothing uploaded
1
Optimize
Quality 70
Good balance of file size and visual quality.
2
Resize
Scale 50%
Reduces image dimensions proportionally.
3
Convert
Output
JPG
PNG
WebP
GIF
AVIF
TIFF
Best for photos & real-world images. Small files, universally supported. No transparency.
Squish Zone – Drop images here
PNG · JPG · WebP · TIFF · SVG · GIF · HEIC · AVIF · up to 500 files at once · or click to browse
Output saved to output folder next to your files
Files
Original
Output
Saved
Reduction
Processing…0 / 0
Ready
General
Processing Speed
🎛 Defaults
🎨 Theme
Info
⌨️ Shortcut Keys
🔑 License
ℹ️ About
Processing Speed
Controls how many files are compressed simultaneously.
Background
Uses minimal resources. Your Mac stays fully responsive. Ideal when working on other tasks.
Standard
Balanced performance. Fast processing with minimal impact on day-to-day use. Recommended.
Max Power
Uses all available CPU cores. Fastest output. May cause lag if other apps are running.
Defaults
Choose what's active when Squisher launches.
Startup Processes
Processes active by default when Squisher launches.

Default Quality
70
Quality used for JPG and WebP compression when Optimize is active.

Default Output Format
Original
JPG
PNG
WebP
AVIF
GIF
TIFF
Format pre-selected in the Convert step on launch. "Original" keeps each file's existing format.

Filename Suffix
Appended to output filenames before the extension. Leave blank to keep original names.

Output Folder Name
Folder created next to your source files. Defaults to _Ready (the underscore keeps it at the top of Finder).
Theme
Drag to change the accent color used throughout the app.
Accent Color
Type a hex code or drag the slider
Shortcut Keys
Keyboard shortcuts work any time you're not typing in a text field.
Steps
1
Toggle Optimize step on/off
2
Toggle Resize step on/off
3
Toggle Convert step on/off
Actions
R
Reprocess with current settings
Space
Open processed images output folder
ESC
Stop processing
⌫ Backspace
Clear all files
? /
Open Settings
Optimize
Q
Switch to Quality mode
V
Switch to Privacy mode
Resize
S
Switch to Scale % mode
M
Switch to Max Width mode
Convert Format
J
JPG
P
PNG
W
WebP
G
GIF
A
AVIF
T
TIFF
Color Profile
B
RGB (shown for JPG and TIFF only)
C
CMYK (shown for JPG and TIFF only)
License
Squisher is a one-time purchase. No subscription, ever.
🛒  Purchase a license · $9
Activation Key
About Squisher
Squisher
Version 1.0.0  ·  macOS
Batch image compression that runs 100% locally on your machine.
Nothing is uploaded. Nothing is tracked. Your files stay yours.