Apps Media Optimization Cheat Sheet

This content was generated with the assistance of AI and should be verified against the official documentation before being relied on in production.

See the section bibliography for the reference material consulted while preparing these pages.

A single-page index of quick back-links to every page in the Apps Media Optimization sub-section, grouped the same way as the sub-section index.

The downloadable PDF is a separate, single A4 page meant for printing. It states the baseline date (2026-10-07) and covers:

  • choosing a variant by pixel size and platform format support (WebP, AVIF, HEIC);

  • Android: Coil 3 cache configuration and the network artifact, Glide cache strategies, BlurHash placeholders and Media3 (ExoPlayer, SimpleCache, Transformer);

  • iOS: the limits of AsyncImage, Kingfisher, Nuke and SDWebImage, plus AVFoundation for HLS, cover frames, export and background uploads;

  • React Native and Expo: expo-image props, react-native-blurhash, react-native-fast-image status and react-native-video;

  • Kotlin Multiplatform and Flutter equivalents; and

  • compression on the device and upload practice (background, resumable, retries).

Android — Android: Coil, Glide and BlurHash and Android Video with Media3.

iOS — iOS: Kingfisher, Nuke and BlurHash and iOS Video with AVFoundation.

Cross-platform — React Native and expo-image and Kotlin Multiplatform and Flutter.

Uploads — Device-Side Compression and Uploads.

Overview — Media Optimization in Apps.

Download the Apps Media Optimization Cheat Sheet (PDF)