Smart Compression

Compress Image Online Free

Reduce image file size by up to 90% with full quality control. Perfect for email, websites and online forms.

Up to 90% Smaller Quality Control No Upload

Drop your image here

or click to browse — JPG, PNG, WEBP

Max 25 MB · 100% private

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Why WikisAI

The Fastest Way to Shrink Image Files

Up to 90% SmallerPerfect for email, forms and web.
100% PrivateYour image never leaves your browser.
InstantLive preview updates as you slide.
Free ForeverNo signup, no watermark, no limits.

Frequently Asked Questions

Everything you need to know about image compression.

Will compressing reduce quality?
At 80% quality, most images look identical to the original but are 70-90% smaller. You can always increase the slider if you need more quality.
What formats are supported?
JPG, PNG and WEBP are fully supported. Output is JPG or WEBP depending on your choice.
Are my images uploaded?
No. Everything is processed inside your browser using HTML5 Canvas.

Need an exact size?

Try our target size compressor to hit 50 KB, 100 KB, 200 KB or any exact value.

Compress to Exact KB Explore All Tools