Compress Image Online - Reduce JPG, PNG or WebP Size | Piczilo
PicziloImages made lighter.

Image compressor

Compress an image online

Reduce image file size with your own quality and format settings. Processing happens locally in your browser, and the result downloads back to your device.

JPG, PNG, WebP inputBrowser-only

Choose an image

Choose one image to compress locally.

Step 1 of 2
Choose one image to compress locally.

Local processing

Runs inside your browser

No upload

No upload route or public result URL

Custom settings

Choose format, quality and optional size limits

Simple process

How it works

  1. 1

    1

    Choose a valid JPG, PNG or WebP image from your device.

  2. 2

    2

    Pick the output format and quality settings that fit your use case.

  3. 3

    3

    Optionally limit maximum dimensions while preserving the image shape.

  4. 4

    4

    Download the compressed result created inside your browser.

Useful for

  • Website images that need a smaller download size.
  • Email attachments where a lighter JPG, PNG or WebP is easier to share.
  • Product and blog photos that need custom quality settings.

Limitations

  • Lower quality settings may reduce visible detail.
  • PNG output is lossless in the browser and may remain large.
  • Changing format can affect transparency or compatibility.

Questions

Frequently asked questions

No. The image is inspected, compressed and prepared for download locally in your browser.

Start around the default quality, then lower it if you need a smaller file or raise it if visible detail matters more.

Some format and quality choices can create a larger file, especially when converting from an already efficient PNG or WebP source.

Yes. The compressor preserves original pixel dimensions unless you open advanced size controls and set a maximum width or height.

No. PNG is useful for transparency and lossless editing, but photos are often smaller as JPG or WebP.

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