Compress WebP Images Online
Shrink still WebP files directly in your browser. Your images stay on your device, and you can process up to 100 files of 100 MB each in one batch.
Select WebP images
or drop images here
WebP files · Up to 100 images · 100 MB each
Images are compressed locally and never uploaded.
Every image keeps its original format.
Why use this free WebP image compressor?
Free with no sign-up
Compress WebP images and download the results without creating an account, installing desktop software, or paying for a download.
Batch compression for up to 100 images
Add as many as 100 WebP files, let every image compress automatically, then download one result or all completed files in a ZIP archive.
Private browser processing
Image decoding, compression, previews, and ZIP creation all run in your current browser session — no selected file is uploaded to ImageNow.
How it works
- Select or drop up to 100 WebP images into the compressor.
- Compression starts automatically. Pick another compression level or fit an upload limit for the whole batch, or click an image to compare it with the original at full size.
- Check the actual file size, then download any image on its own or the completed images as a ZIP.
Why a WebP gets smaller
Adjust Quality to make a static WebP smaller, or enter a maximum size in KB and apply it. The result keeps the WebP format and pixel dimensions. How much it shrinks depends on the source image and its previous compression. To compress WebP alongside other formats, use Compress image, which handles JPG, PNG and WebP images together in one batch.
What the compressed WebP keeps
For a still WebP, the compressor keeps the original pixel dimensions and transparent or semi-transparent areas. A newly encoded file does not retain EXIF or other embedded metadata. If re-encoding would make the file larger, ImageNow returns the original file unchanged instead. WebP files can be lossless or lossy, and ImageNow always re-encodes to lossy WebP — so a lossless source, often exported from a design tool or converted from PNG, becomes lossy even though transparency is kept.
An animated WebP becomes a single frame
This tool is made for still WebP images. Re-encoding an animated WebP in the browser can turn it into a single still frame, so do not use this page when the animation must be preserved.
Why the savings may be 0%
WebP is already an efficient format, so a well-optimized file may not get smaller with the selected settings. If the result is the same size or larger, ImageNow keeps the original and shows 0% savings.
Frequently asked questions
How do I compress a WebP file online?
Choose or drop your WebP files, wait for automatic compression, compare the before and after sizes, then download files individually or save all completed results in a ZIP archive.
Does compressing WebP reduce image quality?
It can. Smaller WebP files may lose fine detail. Click an image to compare the result with the original, and choose “Less compression” if you need more detail. Keep the original if you plan to edit or export the image again.
Will transparency and EXIF data be preserved?
Transparent and semi-transparent areas are preserved in still WebP results. EXIF and other embedded metadata are removed when a new compressed file is produced; they remain only when ImageNow falls back to the unchanged original.
Can I compress an animated WebP?
The file may be accepted, but its animation is not preserved reliably. Use this compressor only for still WebP images.
Can I compress multiple WebP images at once?
Yes. Add up to 100 WebP files, let them compress automatically, and download results individually or together in a ZIP archive. Each file can be up to 100 MB.
Are my WebP images uploaded to a server?
No. The selected WebP files are decoded and compressed in your browser. Completed files and the optional ZIP archive are also created on your device. Free tools do not upload your files. AI features that require server processing upload them to our servers.
Can I compress WebP images on Windows, Mac, iPhone, and Android?
The compressor works in modern browsers on Windows, macOS, Linux, iPhone, iPad, and Android. Very large or complex files use more memory and may work better on a desktop device.