skwish

private

browser-based

Reduce image size for mobile apps and ship smaller builds

Large image assets are the fastest way to bloat your APK or IPA. Skwish reduces image file sizes locally in your browser with no uploads or sign-up. Drop your app images, adjust quality per asset, and download optimized files that keep your mobile app build lean.

Search match

This page is tuned for reduce image size for mobile apps 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 “reduce image size for mobile apps”, 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

Reduce the file size of all PNG drawable resources for an Android app before building the AAB — keep the final package under Google Play's 150MB limit without sacrificing visual quality.

Shrink high-resolution launch screen and splash images for an iOS app so the IPA downloads faster over cellular connections and passes App Store validation on the first try.

Batch-reduce the size of all in-app gallery images for a social media mobile app and export them as a single ZIP with consistent compression across every asset.

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.

Mobile app image size reduction tips

Use these before you upload or share the page.

Start with the largest files first — a single 5MB splash screen can account for 30% of your app's total asset size. Compressing it to 1MB is the fastest way to shrink your build.

Use the size preview in Skwish to target specific file sizes per asset type: icons under 50KB, splash screens under 500KB, and in-app photos under 200KB each.

For apps targeting emerging markets, aim for every image asset under 100KB — smaller builds mean faster downloads on slower connections and lower data costs for users.

Ready to compress images?

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

Compress images now

Related tools

Other compression pages built for specific size limits and formats.