What is Compress PNG online — lossless and lossy?
TL;DR: Shrink44 compresses PNG images by re-encoding through the Canvas API, optionally resizing them, or converting to JPG / WebP for major additional savings.
PNG compression is best for graphics, logos, screenshots and any image that requires transparency. Shrink44 re-encodes PNGs through the Canvas API with optional resize to dramatically reduce file size.
For photos and full-frame images that don't need transparency, converting PNG to JPG or WebP usually yields 5–10× smaller files. Shrink44 supports both routes in a single click.
Use Shrink44 PNG compression for web assets, email signatures, app icons, screenshots in documentation, and marketing graphics.