METHODHow the result is produced
Practical example
2400 px · WebP · 82%
Method
The browser draws the selected image area to a canvas and re-encodes it using the chosen size, format and quality.
Assumptions and limits
Re-encoding can remove metadata; visible quality depends strongly on the source.
Sources
MDN Canvas API
Last reviewed: August 2026 GUIDEImage Compressor
Reduce image dimensions and export as WebP, JPEG or PNG. Preview, new file size and percentage saved make the quality trade-off visible.
Enter the required values or content, adjust the options and then review the detailed result.
FAQFrequently asked questions
What can I do with Image Compressor?
Reduce image dimensions and export as WebP, JPEG or PNG. Preview, new file size and percentage saved make the quality trade-off visible.
How do I use Image Compressor?
Enter the required values or content, adjust the options and then review the detailed result.
Are my data uploaded?
No. Inputs and files for this tool are processed locally in your browser.
Is this tool free?
Yes. Every feature is free and requires no registration.
Does it work on mobile?
Yes. The interface is optimized for iPhone, Android, tablets and desktop computers.