Optimize locally

Image Compressor and Base64 Converter

Resize, compress and convert PNG, JPG or WebP images, then download the result or copy its Base64 output. Processing stays in your browser.

Drop images here or choose files

PNG, JPG or WebP, up to 20 MB each. You can also paste an image.

Why compress first

Base64 encoding adds roughly one third to the binary size. Reducing pixel dimensions and choosing a suitable format can keep the final string manageable.

Continue with the tool or reference that matches your next step.

Encode the optimized imageConvert the downloaded result to Base64.WebP to Base64Encode an efficient WebP asset.Conversion best practicesLearn when inline images make sense.