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A Private Image Compressor That Doesn't Upload Your Photos

When you compress a photo online, most tools upload it to their servers first. For personal pictures, screenshots containing private details, or client files under NDA, that's a step worth skipping. QuickWand's image compressor does the work locally in your browser — nothing is uploaded.

Compress privately

  1. Open the image compressor.
  2. Drop in your JPG, PNG, or WebP files (a batch is fine).
  3. Adjust quality — the estimated output size updates live.
  4. Download individually or as a ZIP.

Your images never leave your device.

Why local beats server-based here

  • Private: nothing is transmitted, so there's nothing to intercept, cache, or leak.
  • Instant: no upload or download round trip — it processes the moment you drop a file in.
  • No limits: because there's no server cost, there's no daily cap or sign-up.

Related private tools

Need to convert instead? HEIC to JPG, WebP to JPG, and PNG to JPG all run locally too — your photos stay on your device.

Frequently asked questions

Is there an image compressor that doesn't upload my files?
Yes. QuickWand compresses images in your browser with the Canvas API — your photos are never uploaded to a server. Most online compressors send your images to their backend; QuickWand does not.
Why would I want local compression?
Privacy and speed. Personal photos, screenshots with sensitive info, or client work stay on your device, and there's no upload wait — compression is instant and the result size is shown live.
Which formats are supported?
JPG, PNG, and WebP, with conversion between them. WebP usually produces the smallest files at the same visible quality.

Free tool

Image Compressor

Make JPG, PNG and WebP images smaller by quality, percentage or target resolution — with a live size estimate.

Try Image Compressor— free →