tools / image

Image Compressor

Compress images and reduce file size. Runs entirely in your browser — nothing is uploaded.

Drop an image or click to upload

PNG, JPEG, WebP, GIF

Which format compresses best?: WebP at 75–80% quality typically produces the smallest files — 25–35% smaller than JPEG and up to 80% smaller than PNG at equivalent visual quality. Use WebP for web images where browser support (95%+) is acceptable.
What quality setting should I use?: 75–80% is the sweet spot for most images. Below 60%, compression artifacts become visible. Above 90%, file sizes approach the original with diminishing quality returns. For thumbnails, 65% is fine. For hero images, 80–85%.
Why is my PNG larger after compression?: PNG is lossless — there is no quality slider, and the canvas encoding may differ from the original optimizer. If file size matters, convert to WebP or JPEG instead. PNG is best for images with text, logos, or transparency where lossless is required.
Does this tool upload my images?: No. Compression runs entirely in your browser using the Canvas API. Your images never leave your device.

Guide: What is WebP?

How WebP compares to JPEG and PNG, browser support, when to use it, and how to convert images.

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