Choose your images
Select one or multiple JPG, PNG or WebP files from your device.
FREE IMAGE TOOL
Compress Image Online
Reduce JPG, PNG and WebP image file sizes online for free. Compress multiple images and choose the balance between quality and size — no account required.
Drop images here
or choose JPG, PNG or WebP files from your device
Multiple images supported✓ Browser-based processing✓ No account required✓ Simple downloads
Your images
0 images
Compression level
JPG and WebP usually compress the most. PNG images with transparency are kept as PNG.
Ready to compressWe’ll compress every image and show the savings before download.
✓
Your compressed images are ready
Compression complete.
Your images are read and compressed directly in your browser. Octumi does not upload the selected images in this version.
QUICK GUIDE
How to compress images
Make one or multiple images smaller for websites, email and sharing in a few simple steps.
Choose a compression level
Pick Light, Recommended or Strong depending on the balance you want.
Compress the images
Octumi processes every selected image directly in your browser.
Review and download
Check the compression results, then download individual images or download them all.
COMPRESSION LEVELS
Light, Recommended or Strong?
Light prioritizes image quality with a smaller reduction. Recommended aims for a useful balance of quality and file size. Strong targets a smaller file with more quality reduction.
SUPPORTED FORMATS
Compress JPG, PNG and WebP
Octumi accepts JPG, PNG and WebP images and supports multiple files at once. JPG and WebP often provide more room for compression, while PNG images with transparency are kept as PNG.
FAQ
Compress Image FAQ
Is Octumi's image compressor free?
Yes. You can use the Compress Image tool without creating an Octumi account.
Can I compress multiple images at once?
Yes. Select multiple supported images, compress them together and download the results individually or use Download all.
Which image formats can I compress?
The tool accepts JPG, PNG and WebP images.
Which compression level should I choose?
Recommended is a good starting point. Choose Light when image quality matters more, or Strong when reducing file size matters more.
Will image compression reduce quality?
It can. Stronger compression trades more image quality for a smaller file, so keep the original image if you may need the highest-quality version later.
Does Octumi upload my images for compression?
No. In this version, the selected images are read and compressed directly in your browser.