Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Image optimization for decreasing app size

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for Aydar Aydar
September 07, 2017
Programming
0
77

Image optimization for decreasing app size

Presentation for The Munich iOS Developer Meetup lightning talk hosted at Freeletics

Avatar for Aydar

Aydar

September 07, 2017
Tweet

More Decks by Aydar

See All by Aydar
The Realities of A/B Testing
Avatar for Aydar aydarin
0
85
Development on Kotlin/Native and Swift
Avatar for Aydar aydarin
1
130
AppCode under the hood
Avatar for Aydar aydarin
1
330
Bridging the gap between Kotlin and Swift
Avatar for Aydar aydarin
0
130
A look into AB testing
Avatar for Aydar aydarin
0
86
Exploring MVVM-C
Avatar for Aydar aydarin
0
170
Coordinate your app
Avatar for Aydar aydarin
1
98
Localization.pdf
Avatar for Aydar aydarin
0
61
MVVM vs MVP
Avatar for Aydar aydarin
1
270

Other Decks in Programming

See All in Programming
疑似コードによるプロンプト記述、どのくらい正確に実行される？
Avatar for kokuyouwind kokuyouwind
0
380
AgentCoreとHuman in the Loop
Avatar for Har1101 har1101
5
230
CSC307 Lecture 03
Avatar for Javier Gonzalez-Sanchez javiergs
PRO
1
490
AIエージェント、”どう作るか”で差は出るか？ / AI Agents: Does the "How" Make a Difference?
Avatar for r-kagaya rkaga
4
2k
Basic Architectures
Avatar for Denys Poltorak denyspoltorak
0
670
責任感のあるCloudWatchアラームを設計しよう
Avatar for アキキー akihisaikeda
3
170
humanlayerのブログから学ぶ、良いCLAUDE.mdの書き方
Avatar for Yuto tsukamoto1783
0
190
Honoを使ったリモートMCPサーバでAIツールとの連携を加速させる！
Avatar for とすり tosuri13
1
180
FOSDEM 2026: STUNMESH-go: Building P2P WireGuard Mesh Without Self-Hosted Infrastructure
Avatar for Date Huang tjjh89017
0
160
LLM Observabilityによる 対話型音声AIアプリケーションの安定運用
Avatar for Hiroyuki Moriya gekko0114
2
430
QAフローを最適化し、品質水準を満たしながらリリースまでの期間を最短化する #RSGT2026
Avatar for shibayu36 shibayu36
2
4.4k
AIフル活用時代だからこそ学んでおきたい働き方の心得
Avatar for shinoyu shinoyu
0
130

Featured

See All Featured
jQuery: Nuts, Bolts and Bling
Avatar for Doug Neiner dougneiner
65
8.4k
A Soul's Torment
Avatar for Nat Ma seathinner
5
2.2k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
Avatar for Irina Nazarova irinanazarova
9
1.2k
The Illustrated Guide to Node.js - THAT Conference 2024
Avatar for David Neal reverentgeek
0
250
Let's Do A Bunch of Simple Stuff to Make Websites Faster
Avatar for Chris Coyier chriscoyier
508
140k
How to audit for AI Accessibility on your Front & Back End
Avatar for davetheseo davetheseo
0
180
The Language of Interfaces
Avatar for Des Traynor destraynor
162
26k
The Cult of Friendly URLs
Avatar for Andy Hume andyhume
79
6.8k
16th Malabo Montpellier Forum Presentation
Avatar for AKADEMIYA2063 akademiya2063
PRO
0
49
Google's AI Overviews - The New Search
Avatar for Barry Adams badams
0
900
Balancing Empowerment & Direction
Avatar for Lara Hogan lara
5
880
Highjacked: Video Game Concept Design
Avatar for Ryan Kendrick rkendrick25
PRO
1
290

Transcript

  1. IMAGE OPTIMIZATION FOR DECREASING APP SIZE Aydar Mukhametzyanov (Freeletics)

  2. LET ME TELL THE STORY…

  3. 0 27.5 55 82.5 110 Before After THE STORY MB

  4. THE STORY

  5. THE STORY

  6. THE STORY

  7. OPTIMIZATION

  8. OPTIMIZATION by Xcode

  9. OPTIMIZATION Asset size 12.9 MB 197.3 MB 196.3 MB -1

    MB by Xcode Bundle size

  10. ImageOptim https://imageoptim.com OPTIMIZATION

  11. Original PNG 1.8 MB Optimized PNG 1.2 MB OPTIMIZATION –

    33%

  12. OPTIMIZATION

  13. Original PNG 1.8 MB Lossy optimized PNG 498 KB OPTIMIZATION

    – 72%

  14. OPTIMIZATION

  15. Original JPG 1.4 MB Lossy optimized JPG 79 KB OPTIMIZATION

    – 94%

  16. OPTIMIZATION /Applications/ImageOptim.app/Contents/MacOS/ImageOptim *.png

  17. PNG to JPG ? CONVERTING

  18. CONVERTING

  19. CONVERTING sips -s format jpeg -s formatOptions 100 “image.png" --out

    "image.jpg" SIPS

  20. { "images" : [ { "idiom" : "universal", "filename" :

    "welcome-photo-man.jpg", "scale" : "1x" }, … Content.json CONVERTING

  21. PULL_REQUEST_TEMPLATE.md PROCESSES

  22. 0 27.5 55 82.5 110 Before After CONCLUSION MB

  23. CONCLUSION

  24. ImageOptim PULL_REQUEST_TEMPLATE.md CONCLUSION SIPS CONVERTING OPTIMIZATION PROCESSES Xcode +

  25. aydarin [email protected] @aydarmukh QUESTIONS THANK YOU