How does online image compression work?
Select a JPG, PNG or WebP file, choose the output format and set the quality level. Picora Tools re-encodes the image in your browser to create a smaller downloadable file without requiring an account.
When should you compress an image?
Image compression is useful for websites, blogs, email attachments, application forms and social media uploads where a smaller file can make uploading and page delivery faster.
Quality and file size
Lower quality settings usually create smaller files, but excessive compression may remove visible detail. A medium-to-high setting is a good starting point for photos. If the image is much larger than the display size you need, resize it first and then compress it.
Related tools and guides
Need a strict file limit? Try Reduce Image Below 500 KB. You can also resize an image before compression or read the image size reduction guide.
Frequently asked questions
Is this image compressor free?
Yes. You can use the tool in your browser without creating an account.
Is my image uploaded to a server?
The core image processing is performed in your browser, so the file does not need to be sent to a separate processing server.