# UnderKb

UnderKb compresses a JPG, PNG, WebP, or GIF under a kilobyte budget (default 200 KB). Also: convert JPG to WebP, resize, remove a flat background, extract a color palette. No account.

## Sections

- **How to use**: Open / and drop an image to compress to a KB budget (default 200). Other jobs have their own pages.
- **SEO landings**: /comprimir-imagen-kb, /convertir-jpg-a-webp, /redimensionar-imagen, /quitar-fondo, /extraer-colores-imagen. English aliases redirect to those. /privacy /terms /pricing.
- **API**: POST /api/compress file,target_kb,format. POST /api/compress-batch (Pro: ZIP of up to 20). /api/convert format,quality. /api/resize width,height,mode. /api/remove-bg tolerance. /api/colors count. Optional X-Api-Key (UNDERKB_PRO_KEYS) for 50 MB and batch.

## Canonical origin

https://underkb.fly.dev

## Optional

- [Sitemap](https://underkb.fly.dev/sitemap.xml)
- [Robots](https://underkb.fly.dev/robots.txt)