Image Compressor & Converter

Canvas-powered resize, compress & PNG → WebP/JPEG — no limits.

Compress, resize and convert images right in your browser — JPG, PNG and WebP, no upload, no limits. A free, private image compressor and converter.

About Image Compressor & Converter

Image Compressor shrinks JPG, PNG and WebP images and can convert between formats (for example PNG → WebP) right in your browser. It uses the Canvas API to resize and re-encode, so you control quality and dimensions with no upload limits.

How to use Image Compressor & Converter

  1. Drop an image, or click to choose one from your device.
  2. Adjust the quality and, if you like, the target dimensions or output format.
  3. Preview the new file size, then download the optimised image.

Frequently asked questions

Does compressing reduce quality?
You choose the quality level and see the resulting size before downloading, so you can balance sharpness against file size.
Is there a file-size limit?
No. Because everything runs locally, there is no upload cap — the only limit is your device’s memory.
Can it convert PNG to WebP or JPEG?
Yes — pick the output format and the tool re-encodes the image accordingly.

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