Choose size and output format
Choose your size and format. For a strict size limit, we check the actual file size. The output limit is 500,000 bytes per file. Check the exported file size; a result that exceeds the target is not successful.
Compress JPG, PNG and WebP to 500 KB. Choose an output format, compare the result and download files that meet your size limit.
or select files from your device
JPG, PNG, WebP · 20 MB and 12 megapixels per image♧ Nothing is uploaded. Files stay in this tab and are cleared when you leave.
Choose your size and format. For a strict size limit, we check the actual file size. The output limit is 500,000 bytes per file. Check the exported file size; a result that exceeds the target is not successful.
You’ll see a warning if your settings can’t meet the limit. Raise the limit or allow smaller dimensions. Files that exceed the limit never count as successful results. Your originals stay untouched.
Choose your photos or try the sample. Your files stay on your device.
Choose your size and format. For a strict size limit, we check the actual file size.
Compare both versions and inspect at 100%. Download one result or the whole batch.
They measure different things. Pixels describe dimensions; KB and MB describe stored bytes. A form may require both, so check both limits.
Start with the original and inspect small text at full size. A strict size target may require a tradeoff; do not use a result you cannot read.
Lossy compression changes pixels. We preserve dimensions where possible, keep a quality floor and only shrink when you allow it. Compare the result before using it.
You’ll see a warning if your settings can’t meet the limit. Raise the limit or allow smaller dimensions. Files that exceed the limit never count as successful results.
Non-AI tools process files locally in your browser without uploading them or requiring an account. AI tools use remote processing and are clearly labeled. Files are uploaded only after you explicitly confirm; local tools never switch to cloud processing automatically.