Compress JPG, PNG and WebP Images Online

Q: How does target PNG compression work?

In target mode, the tool calculates optimal canvas scales to bring heavy multi-megabyte PNG files down to 3 MB or below without ruining smooth color gradients.

Compress single or multiple images directly in your browser. Target specific file sizes smoothly without destroying image quality or ruining colors.

Browser processing High visual clarity Actual size comparison

JPG PNG WebP

JPG, PNG and WebP image compressor

Choose JPG, PNG or WebP images, or drag and drop them here

Up to 20 files · Maximum 20 MB per file · Smart Target Compression

JPG & WebP quality 75%

Re-encodes JPG and WebP. PNG files use lossless DEFLATE structure (re-encoded size is kept if smaller).

Select images above, configure settings, and click Compress images to process files.

Select one or more supported images to begin.

How to compress an image

STEP 01

Select images

Choose JPG, PNG or WebP files from your device, or drag them into the compressor.

STEP 02

Choose a mode

Use direct quality controls or select an approximate target file size for each image.

STEP 03

Review and download

Compare original and compressed file sizes, inspect settings and download each result.

How each format is compressed

Format	Compression method	Important limitation
JPG / JPEG	Lossy re-encoding at the selected or automatically searched quality	Lower quality can introduce blockiness, ringing and lost detail
WebP	Lossy WebP re-encoding while preserving transparency	Browser WebP encoding support is required
PNG	Lossless browser re-encoding with smooth auto-scaling fallback in target mode	Full-resolution continuous-tone PNGs cannot drop dramatically without WebP conversion or scale adjustment

Frequently asked questions

How does JPG and WebP compression work?

The browser decodes the image and re-encodes it at the selected quality while keeping pixel dimensions intact.

How does target PNG compression work?

In target mode, the tool calculates optimal scale steps to bring heavy multi-megabyte PNG files down to 3 MB or below without ruining smooth color gradients.

Is the target file size guaranteed?

The target engine uses binary search and scale step loops to reach under your chosen boundary.

Are my images uploaded or stored?

No. All compression runs locally in your browser. Humanify.pro does not upload or store your images on any server.