Batch compression
Batch image compression (desktop)
MiniPic’s desktop batch compression runs on your computer and works offline. The free plan handles 20 images per batch with all three quality modes, you can right-click selected images in Finder or File Explorer to compress them, and originals are backed up automatically so you can restore them.
Batch compression
Drop in many images at once. Compress them as a batch.
Free up to 20 per batch, with all three quality modes: Smart, High fidelity and Maximum.
Drop in a batch
Open MiniPic and drag multiple images into the window at once, up to 20 per batch for free.
Choose quality and format
Choose Smart, High fidelity or Maximum; keep the original format, or convert to WebP, PNG or JPEG.
Compare each result
Compression happens on your computer, and you can compare each image before and after with a slider.
Right-click to compress
Right-click to compress, right in Finder or File Explorer.
Select images, right-click and choose “Compress with MiniPic”: a small capsule window pops up, and it’s done in moments. Single and multiple images are both free; on Windows 11, the option is under “Show more options”.
Overwrite in place, originals backed up
Originals are backed up automatically before compression, so you can restore them in one click if you’re not happy.
Save to a folder you choose
Leave the originals alone and save the compressed results as separate copies.
⌥⇧C
On Mac, press ⌥⇧C to compress the images selected in Finder.
Convert to WebP
Convert to WebP and compress.
“Convert to WebP and compress” in the right-click menu converts and compresses in one step; originals move to the Trash first, so you can restore them. You can also choose WebP as the output format in the workspace.
Quality
Free plan. Full quality.
The free plan includes all three quality modes, with the same engine and the same quality as Pro.
75.3%
Average PNG size reduction
56.6%
Average JPEG size reduction
Public benchmark set: 71/71 PNG and 51/51 JPEG images each passed the perceptual-quality check. Report dated 2026-07-10.
Pro
Pro: whole-folder batches, unlimited batch size.
Pay for Pro once and use it on both the web and desktop apps.
| Free | Pro | |
|---|---|---|
| Images per batch | 20 | Unlimited |
| Import | Multiple images (no folders) | Plus whole folders |
| Right-click compression | Single and multiple images, convert to WebP | Plus folder batches |
| Quality modes | Smart / High fidelity / Maximum | Plus Custom precision control (quality first or target size) |
| Auto compression | Not available | Supported |
Processed locally
Processed on your computer. Works offline.
The desktop app compresses on your computer, using multiple cores in parallel; images aren’t uploaded, and it keeps working offline.
0 images
uploaded during compression
System requirements
Works on Mac and Windows.
Mac
macOS 13 or later, with installers for both Apple silicon and Intel. The first time you use right-click compression, enable the Finder extension in one click from the setup guide.
Windows
Windows 10 / 11 64-bit. On Windows 11, the right-click option is under “Show more options”.
FAQ
How do I batch-compress images?
Drag several images into the MiniPic desktop app at once to compress them as a batch, up to 20 per batch for free; importing whole folders and unlimited batch sizes require Pro.
How does right-click compression work?
Select images in Finder or File Explorer, right-click and choose “Compress with MiniPic”. Single and multiple images are both free; on Windows 11, the option is under “Show more options”.
Does compression overwrite the originals?
Right-click compression overwrites files under the same name by default, and originals are backed up automatically so you can restore them in one click.
Is compression quality reduced on the free plan?
No. The free plan includes all three quality modes and uses the same engine with the same quality as Pro; Pro unlocks folder batches, unlimited batch sizes, auto compression and target sizes.
Can I compress images to a specific size?
Custom precision control in the desktop app’s Pro plan supports target sizes; see “Compress to a target size” for details.
Related features
Auto compression
Pick a folder, and new images saved there are compressed automatically.
Compress to a target size
Set a target such as 100KB or 200KB and hit it in one pass.
Compress online
Drop images into your browser and they’re compressed. All three quality modes are free.
Image viewer
Double-click to view, and compress in one click while you’re there.