Compress Image

Reduce image file size while maintaining quality.

How to Use

Select Files: Upload image files
Choose Quality: Select low/medium/high
Start Compress: Click compress button
Download: Get compressed files

Quality

| | |

Low Medium High

60% 80% 90%

Drop image files here

Supported: .jpg, .jpeg, .png, .webp, .heic, .heif, .gif, .bmp, .tiff, .tif, .avif

or

Compression Results (Total: 0 files)

Select All

tooli

Upload images to compress! Supports JPG, PNG, WebP, HEIC and more.

More iTool Features!

HEIC Viewer

View Apple HEIC/HEIF images.

Image to JPG

Convert various image files to JPG format

Image to PNG

Convert various image files to PNG format

Image to WebP

Convert various image files to WebP format

SVG Crop

Automatically remove unnecessary margins from SVG files.

😄 Free thanks to ads

Why iTool is Great

Fast: Processed right on your device
Free: Unlimited use, no sign-up required
Secure: Your photos never leave your device
Batch Processing: Convert up to 20 images at once
ZIP Download: Get all images in one ZIP file
Quality Preserved: Your images stay sharp
Memory Managed: Automatic memory management keeps your computer running smooth

File Size Limits

Image Count: Max 20 images at once
Per Image: Max 50MB (prevents slowdown)
Total Size: 200MB total recommended

File size limits prevent your computer from slowing down or freezing. For large files, process them in batches.

When to Use

Email Attachments: Reduce file size for email
Blog Posts: Make images load faster
Phone Storage Full: Save space while keeping quality
Website Upload: Speed up your website with smaller images

How to choose quality?

Choose based on your needs:

Low (60%): Messaging apps - smallest size
Medium (80%): Blog, SNS - balanced
High (90%): Print - quality first, light compression

Note: Compression may slightly reduce quality. Always backup important images.

FAQ

How much smaller will it be?

Varies by image. Typically: Low (60%) → 50-70%, Medium (80%) → 70-85%, High (90%) → 90-95% of original size.

Will compression ruin quality?

No! Medium (80%) or High (90%) show minimal difference. Low (60%) may be slightly blurry.

What happens to the original?

Your original stays intact! Compressed images download as new files.

Are my photos uploaded anywhere?

No! All processing happens in your browser. Your photos never leave your device.

What if my computer slows down?

Try this:

Reduce image count (5-10 at a time)
Close other tabs or windows
Refresh the page (F5)

Help us improve this tool

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