FreePanda

Image Compressor

Image Tools

Shrink JPG, PNG and WEBP files with a quality slider and before/after sizes.

Runs entirely in your browser — nothing is uploaded

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Features

  • Quality slider with a live size estimate.
  • Side-by-side before and after preview.
  • Batch several images in one pass.
  • Compression runs on canvas in your browser — no uploads.

How to use the Image Compressor

  1. 1Drop in one or more images.
  2. 2Move the quality slider until the preview still looks right.
  3. 3Download the compressed files.

Frequently asked questions

What quality should I use?

Around 75–85% is the usual sweet spot for photographs: a large size saving with no visible loss at normal viewing sizes.

Are my images uploaded?

No. Files are read locally with the File API and processed on a canvas. Nothing leaves your device.

Which format should I be using?

WebP for most things on the web now: well supported and noticeably smaller than JPEG at the same quality. JPEG remains the safe choice for photographs where maximum compatibility matters. PNG is for images needing sharp edges or transparency, such as logos and screenshots, and is a poor choice for photographs.

Why did my PNG barely shrink?

PNG is lossless, so a quality setting has nothing to act on. It can only be made meaningfully smaller by reducing the palette or moving to a lossy format. If it is a photograph saved as PNG, converting it to JPEG or WebP will do far more than any PNG optimiser can.