Is the image uploaded when I compress it?

No. Compression happens locally with the browser Canvas — the file never leaves your device.

Does it support batches?

Yes. You can select several images at once, compare their sizes and download them.

Lower the quality further, or shrink the dimensions first (Resize image) and then compress.

Re-encoding usually removes some metadata. To strip GPS on purpose, use “Remove image metadata”.

Compress images locally in your browser without uploading them. Supports batches and shows the size difference once it finishes.

100% browser-based · files never uploaded

Drag images here, or click to choose

Up to 50MB each · max 20 images · processed locally

Compression level

The result depends on the source image — photos that are already compressed may shrink very little.

Output format

🔒 Your files never leave your browser

Is the image uploaded when I compress it?: No. Compression happens locally with the browser Canvas — the file never leaves your device.
Does it support batches?: Yes. You can select several images at once, compare their sizes and download them.
It is still too large for WeChat — what now?: Lower the quality further, or shrink the dimensions first (Resize image) and then compress.
Does it drop EXIF data?: Re-encoding usually removes some metadata. To strip GPS on purpose, use “Remove image metadata”.