skwish
private
browser-based
Compress images for mobile apps and keep your APK or IPA lean
Mobile app assets — splash screens, icons, onboarding illustrations, and in-app images — can bloat your APK or IPA file size fast. Skwish compresses every image asset locally in your browser with no uploads or sign-up. Drop your app images, adjust quality per asset, and download optimized files ready to drop into your Xcode or Android Studio project.
Search match
This page is tuned for compress images 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 “compress images 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
Compress all onboarding and tutorial screenshots for a React Native or Flutter app before bundling, keeping the APK under the 100MB Google Play limit.
Optimize app icon variants and splash screen images for an iOS app — reduce IPA size without losing the retina-quality look Apple reviewers expect.
Batch-compress a full set of in-app product images for an e-commerce mobile app and download them as a single ZIP with consistent file sizes.
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 optimization tips
Use these before you upload or share the page.
Use WebP format for Android assets — it delivers 25-35% smaller files than PNG at the same quality, which directly shrinks your APK.
For iOS, stick with PNG for icons and splash screens (Xcode optimizes PNGs further at build time), but use JPEG for photo-heavy in-app content.
Resize images to the exact display resolution your app needs before compressing — a 1080×1920 splash screen at 80% quality is often indistinguishable from the original at half the file size.
Ready to compress images?
Open the free browser upload box, keep files local, and download the optimized result.
Related tools
Other compression pages built for specific size limits and formats.
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