backdropless
Menu
Local image tools

Compress an image

Choose a smaller photo file without uploading it. The quality slider controls lossy JPG and WebP output; PNG stays lossless.

Your image studioOn your device

Drop a photo here.

Choose a file above, or start with a sample. Your image stays on this device.

Ready. Choose a photo to begin.

Local workspace limit: 24 megapixels and 10,000 pixels per side. Output keeps the source dimensions unless you resize or crop. Tool specifications and methods.

Make your next edit

  1. Choose the original image or select several files for a ZIP.
  2. Use JPG for an opaque photo or WebP when your destination accepts it.
  3. Lower quality gradually, reopen the downloaded copy, and inspect its quality and byte count.

Sources & method

Last checked: . Official rules can change. Calculated presets are identified separately.

  1. Published tool specifications. Backdropless. Checked 2026-10-29.
  2. HTMLCanvasElement.toBlob. MDN Web Docs. Checked 2026-10-29.
  3. Image file type and format guide. MDN Web Docs. Checked 2026-10-29.