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WebP Image Compressor

Compress WebP images online to reduce file size while preserving image quality and transparency.

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Compress WebP Images

Compress WebP images online without installing software. Upload one or more WebP images, choose the compression quality and download smaller WebP files while preserving transparency.

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Drop WebP images here

or choose images from your device

WebP only · Maximum 10 files · Maximum 20 MB per file
Common WebP Compression Quality
Set one quality level for all selected images. Each image can then be fine-tuned individually.
75%
10 — smaller file 95 — higher quality
Before compression, each selected image shows its original size and an estimated compressed size. The estimate uses the same PHP WebP encoder used for the final compression.

What is a WebP Image Compressor?

A WebP image compressor reduces the storage size of WebP files using WebP encoding and configurable quality settings. WebP compression can use configurable lossy quality while preserving WebP transparency when supported by the source.

The iToolsEra WebP Image Compressor lets you upload multiple WebP images, choose a compression quality and download the optimized WebP files.

How does WebP compression work?

WebP can use lossy compression controlled by a quality setting. Lower quality usually produces a smaller file, while higher quality preserves more visual detail.

WebP supports transparency, and the compressor preserves alpha transparency when the source contains it.

Tips for reducing WebP file size

  • Use compression quality 75 as a practical default.
  • Try a lower quality such as 60 when a smaller file is more important than visual detail.
  • Keep WebP when modern web delivery, small file size or transparency is important.
  • Use the estimated size shown before compression to choose a suitable quality.

Frequently Asked Questions

Yes. You can select multiple WebP images and compress them together.

WebP compression uses the selected quality setting. Lower quality can reduce file size more but may introduce more visible compression artifacts.

Yes. WebP supports alpha transparency, and the compressor preserves it when the source WebP contains transparency.

The tool accepts standard WebP images.

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