Free image compression compared. See why developers and designers are switching to browser-based compression with zero uploads and no monthly limits.
TinyPNG sends your images to their servers for processing. SlapMyWeb compresses everything in your browser — your files never leave your device.
TinyPNG caps free users at 500 images/month and 5MB per file. SlapMyWeb has no limits — compress as many images as you want, any size.
TinyPNG only handles PNG and JPEG. SlapMyWeb supports WebP, PNG, and JPEG — plus a dedicated format converter to switch between them.
Beyond compression, SlapMyWeb includes a resizer, cropper, background remover, and format converter — no need to visit 5 different sites.
TinyPNG is a solid tool for basic PNG/JPEG compression, but it requires server uploads, caps free usage at 500/month, and only covers two formats. SlapMyWeb gives you unlimited browser-based compression for WebP, PNG, and JPEG — plus a full suite of image tools — with complete privacy and zero cost.