JPEG Image Compressor

This JPEG image compressor shrinks your images and photos to 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)


  • State-Of-The-Art JPEG compression algorithm
  • Separated settings for luminance and chrominance
  • Individual influence on the quantization tables
  • Chroma subsampling settings
  • Selective Blur preprocessing
  • Metadata (EXIF, IPTC & ICC) Removal
  • Automatic resolution conversion to inches for better application support
  • 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
  • Alpha channel support
  • Selective quality support
  • Fuzzy whitespace trimming
  • Selection of quantization tables
  • Cropping to 8 pixel grid
  • For the technical enthusiats: Uses imagemagick, mozjpeg, exiftran, exiftool, puppeteer and a lot of custom code.

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Why should I use this JPEG compressor?

If you work professionally with images and photos, they should be displayed with the best possible quality and be as small as possible.

However, all other compressors hide the numerous adjustment possibilities (or its developers do not know the possibilities of the JPEG algorithm) that are necessary to get the best out of the images. Either they just compress each image with the same settings or they state that they use clever algorithms to create the optimal image.

  • But what is the optimal image?
  • How would they know what your subjective quality requirements are for the image?
  • Do you want to compress a hero image or just any very low down on your website?
  • Are you running a first-world stock photo agency site where you want the images to be of excellent quality, or a third-world emergency site where mobile speed is of the essence?
  • Do you want to archive your images in high quality for later editing, or just send a meme/snapshot/screenshot via WhatsApp or email?

These are just a few examples of how many possible compression scenarios and use cases there are. Getting the most out of an image is therefore only possible with a preview of the result with maximum freedom in the settings.

ArticleFinally understanding JPEG

Image of man painting with color

If you always wanted to know how the JPEG compression works under the hood I want to recommend this article to you. It was important to me to write an article that is reasonable for every level of understanding.

Furthermore it contains 7 valuable tricks to reduce the file size of your JPEGs by exploiting the technical functionality of the JPEG compression algorithm.

22 min read

Read article

ArticleThe nasty red JPG compression artifacts

Why, JPG, why?

During an exchange with an illustrator about another article, he asked me why the JPEG format is so bad at handling the color red. As an explanation, I have already run across several variants. So I simply answered the questions with the variant that seemed most plausible to me.

But was that really the right answer? And if we knew the right answer.... then can't we do something about it?

15 min read

Read article

Christoph Erdmann
Image compression with AI

Wow! Google researchers have now proposed a new method that combines a standard autoencoder with a diffusion process to recover and add fine details discarded by the autoencoder. Interesting to see the possibilities AI opens up when compressing images.

How Should We Store AI Images? Google Researchers Propose an Image Compression Method Using Score-based Generative Models - MarkTechPost
MarkTechPostA year ago, generating realistic images with AI was a dream. We were impressed by seeing generated faces that resemble real ones, despite the majority of outputs having three eyes, two noses, etc. However, things changed quite rapidly with the release of diffusion models. Nowadays, it is difficult to distinguish an AI-generated image from a […]

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