PNG Compressor
This free online PNG compressor converts your lossless PNGs or high quality JPEGs into lossy PNGs with the smallest filesize possible.
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Select a file
For best results use high quality source material that hasn't been compressed before.
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Drag & Drop
Drag your image file onto this website. You can do this anytime.
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Paste image URL
Paste an image URL from your clipboard into this website. You can do this also on the image processing page.
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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.
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Paste image data
Paste an image from your clipboard into this website. You can do this also on the image processing page.
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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)
Features
- State-Of-The-Art PNG compression algorithm
- 8 bit and 24 bit PNG output
- Fuzzy whitespace trimming
- Lossless auto-rotation based on EXIF meta data (on JPEG input)
- Selective Blur preprocessing
- Compression view
- For the technical enthusiats: Uses imagemagick, pngquant, zopflipng, posterize, exiftran, puppeteer and a lot of own code.
Article The big image compression tool comparison
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
