skwish
private
browser-based
Compress images for ebooks
Every megabyte of artwork multiplies across every reader download. Skwish compresses chapter art, screenshots, and cover files locally in your browser — no uploads — so your EPUB and MOBI builds stay lean and open instantly.
Search match

This page is tuned for compress images for ebooks so visitors land in the right workflow immediately.

Fast output

See original size, compressed size, and percentage saved before you move on.

Batch ready

Compress multiple files and pull the results down as a ZIP.

Get to the compressor fast
Exact-intent SEO page first. Clear next step. Pretty later.

People usually search for a specific task, not a brand story. So this page keeps the promise simple: compress images without sending them to a third-party server.

Built for people searching “compress images for ebooks”, not a generic landing page.

No uploads, no accounts, no waiting on a server.

See the savings before you download anything.

Batch export stays available when the job is bigger.

Best for this search

Shrink chapter illustrations and screenshots before running an EPUB or MOBI build so the finished file is small.
Compress cover files and back-cover art to the exact size your bookstore requires without quality loss.
Batch-compress all ebook images at once and grab a ZIP to feed straight into your formatting tool.
Compress images now

Opens the upload box on the free browser compressor.

Drop images in the browser
Keep the whole workflow local. Nothing leaves your device unless you download it.
Set the output you need
Adjust compression until the file size and quality fit the job instead of guessing.
Download a clean result
Save one file or a ZIP bundle with skwish-prefixed names so the output is easy to find.
Images that keep ebooks fast
Use these before you upload or share the page.
Re-export oversized originals at screen resolution first — most ebook readers never display more than ~1600px wide.
Use JPG for photos and PNG only for images that need crisp text or transparency.
Preview the compressed images on an e-reader app before building the final file.

Ready to compress images?

Open the free browser upload box, keep files local, and download the optimized result.

Compress images now