WEBP Image Compressor

This WebP image compressor converts your lossless PNGs or high quality JPEGs into lossy WebPs with the smallest file size and best quality possible.

  • Made in Germany
  • EU GDPR compliant
  1. For best results use high quality source material that hasn't been compressed before.

  2. Drag & Drop

    Drag your image file onto this website. You can do this anytime.

  3. Paste image URL

    Paste an image URL from your clipboard into this website. You can do this also on the image processing page.

  4. Paste Base64 Data URI

    Paste a Base64 Data URI from your clipboard into this website. You can do this also on the image processing page.

  5. Paste image data

    Paste an image from your clipboard into this website. You can do this also on the image processing page.

  6. Use this Photoshop JSX-Script

    Use the script to send an image from Photoshop to compress-or-die.
    Copy it to the Photoshop Scripts folder. Overwrite what’s there if you’re asked.
    Windows: C:\Program Files\Adobe\Photoshop CS...\Presets\Scripts
    Mac OS X: Applications/Photoshop CS.../Presets/Scripts
    Restart Photoshop.

Allowed file formats: JPEG, PNG, GIF, WebP, SVG (max. 8 MiB)

Browser support for WEBP


  • State-Of-The-Art WebP compression algorithm
  • Lossy & lossless mode
  • Separated setting for Alpha channel quality
  • Fuzzy whitespace trimming
  • Metadata (EXIF, IPTC & ICC) Removal
  • Clean color space conversion from CMYK
  • Converts to standard color profile sRGB-IEC61966-2.1
  • Gamma correction to 2.2
  • Lossless auto-rotation based on EXIF meta data (on JPEG input)
  • Compression view
  • For the technical enthusiats: Uses imagemagick, cwebp, exiftran, exiftool, puppeteer and a lot of custom code.

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Why should I use this WebP compressor?

Developed by Google and long touted as a JPEG successor, the WebP format offers lossless compression in addition to slightly superior lossy compression to JPEG. Additionally, it adds the ability to create images with transparency that JPEG lacks.

Compress-Or-Die allows to set the compression strength of the transparency independently from the rest of the quality and to sharpen the color edges, which counteracts the 1x1 color subsampling that the WebP format lacks. All settings made can of course be previewed in the browser before the graphic is finally downloaded.

ArticleThe big image compression tool comparison

Logos of compress-or-die, optimizilla, JPEGmini, Compressor.io, tinyjpg, kraken.io

There are a lot of articles about online image compression tools in the net, most of them are very superficial. Usually they end with a simple: "It generates smaller pictures, so it's got to be better."

Learn why such statements are most of the time meaningless, understand the technical background, and find out which tool you should use as of today.

18 min read

Read article

Christoph Erdmann
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