Compress WebP Online - Reduce WebP File Size | Piczilo
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Image compressor

Compress WebP

Use Piczilo as a WebP compressor when you need to make WebP smaller without uploading the image. It accepts WebP files only, keeps output as WebP, preserves transparent areas where present, and keeps dimensions unchanged unless you use the optional size controls.

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

Fixed WebP output with quality and optional size limits

Simple process

How it works

  1. 1

    1

    Choose a WebP image from your device.

  2. 2

    2

    Piczilo validates that the file is WebP and keeps output locked to WebP.

  3. 3

    3

    Adjust quality to make the WebP smaller while keeping dimensions unchanged by default.

  4. 4

    4

    Download the compressed WebP created locally in your browser.

Useful for

  • Compressing WebP online before uploading images to websites, CMS media libraries or forms.
  • Reducing WebP file size for product images, blog graphics and responsive web assets.
  • Making transparent WebP graphics smaller while keeping alpha transparency and WebP output.

Limitations

  • Only WebP files are accepted on this tool.
  • Very low quality settings can introduce visible WebP compression artifacts.
  • A WebP that was already strongly optimized may not become much smaller.

Learn more

Helpful guides

Practical guides that explain the format and file-size decisions behind this tool.

How to Reduce Image File Size Without Losing QualityA practical guide to resizing, compression, JPG, PNG and WebP so images stay clear without carrying unnecessary file size.Read guideJPG vs PNG vs WebP: Which Image Format Should You Use?A practical format comparison for photos, transparent graphics, website images and everyday file-size decisions.Read guide

Questions

Frequently asked questions

Yes. Piczilo validates, compresses and prepares the WebP download locally in your browser.

Yes. WebP output preserves transparent areas where the source WebP has them and the browser can export WebP.

No. This page accepts WebP input and creates WebP output, so the format stays WebP.

Lower the quality slider gradually. If your workflow allows smaller pixel dimensions, use the advanced size controls or the Resize Image tool.

Use the WebP to JPG converter for compatibility, or JPG to WebP when you want to create WebP from a JPEG source.

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