Free · private · in-browser

GlassCompress

Compress, resize, and crop in your browser. Passport presets, live size preview, batch ZIP, and image→PDF. Files never leave your device.

All tools

Drop images or click to browse

Up to 20 · JPEG, PNG, WebP, GIF, BMP, AVIF, HEIC

Output preview · this is what you download

Original: —
Output: —
Saved: —
Size: —

Compression

Quality slider Target size

Quality 82%

Under (KB)

Export Format Output filename

Resize & crop Crop preset Max longest edge (px, 0 = off)

Fit PDF pages to A4

Private by design

GlassCompress re-encodes on your device, which strips EXIF and GPS by default. Nothing is uploaded to madushka.com or any third party. Batch limit: 20 images per session. Part of the Glass toolkit with GlassPad. Changelog