Images
Lossless PNG optimizer
Recompress a still PNG without changing its stored pixels.
No accountLocal processingSingle-file
AcceptsPNG
CreatesPNG
Limits1 file, 50 MiB per file, 90 seconds processing time.
Starting the converter…
The converter could not be reached.Your files have not been uploaded. You can try again or open the converter in a new tab.Open converter
Use lossless png optimizer in your browser
Select the files you want to process, review the result, and download a copy. The output format is fixed for this tool so the direction stays clear.
Lossless PNG optimizer: what to expect
Recompress a still PNG without changing its stored pixels.
- Non-interlaced still PNG only, up to 32 megapixels and 128 MiB of raw pixel data. Metadata is retained; animated PNG is refused.
- Already optimized images may not get smaller.