APK Size vs Download Size vs Installed Size
An APK's file size, estimated download size and installed storage use are different measurements. Before optimizing, decide which one affects the user.
APK & AAB analysis
APK Size Analyzer
See exactly what's inside an APK by size — the biggest files, native libraries, resources, and assets — so you can find what's bloating your download.
APK Size Analyzer is part of APKLint, an online toolkit for inspecting Android APK files. See exactly what's inside an APK by size — the biggest files, native libraries, resources, and assets — so you can find what's bloating your download. Upload an APK in your browser to view the relevant details; results reflect what the file itself exposes.
Drop your file here
or click to choose from your device
Accepts: .APK · up to 1 GB
Deleted after your scan. Files you upload are processed on our servers over an encrypted connection, then removed by the next hourly cleanup after analysis finishes (long scans are protected while they run). We never share them, and need no account.
About APK Size Analyzer
See exactly what's inside an APK by size — the biggest files, native libraries, resources, and assets — so you can find what's bloating your download.
APK Size Analyzer is part of APKLint’s apk & aab analysis toolkit — Unpack, inspect, and break down Android packages. It’s free to use and needs no account.
Your privacy is the default: files you upload are processed on our servers over an encrypted connection and permanently deleted by a scheduled hourly cleanup after analysis finishes, and never shared.
What APK Size Analyzer checks
- Uncompressed size by category: dex, native libs, resources, assets
- The 15 largest files inside the APK
- Where the bytes actually go
- Native ABI folders present
Good to know: Sizes are uncompressed (install-relevant). For ways to shrink, see the APK Compression guide.
When to use APK Size Analyzer
- Best for
- Seeing what is inside an APK by size, the biggest files, native libraries, resources, and assets, when you want to find what to trim.
- Not the right tool for
- Not a metadata or security read; use APK Analyzer or the Security Scanner for those.
- What you get back
- A size breakdown ranked by largest contributors, with native libs, resources, and assets separated.
- How it differs from related APKLint tools
- It is the measurement view of size; the APK Compress guide explains strategies to actually reduce it.
- Limitations
- It measures the APK on screen; it does not estimate per-device delivery size from a bundle.
How to use APK Size Analyzer
- Choose your APK file — Drop an .apk file onto the page, or click to select it from your device.
- Send securely — The file is uploaded over an encrypted connection to our analysis servers.
- Read your report — APKLint unpacks and inspects the package and lays out the results on screen.
- Your file is removed — It's deleted by an hourly cleanup job after analysis finishes.
Why use APKLint
Always free
Every tool is free with no login and no paywall. Reasonable file and input limits keep the free service stable.
No on-page ad banners
A clean, focused interface with no third-party ad banners cluttering your results.
Privacy-first
Files you upload are deleted by a scheduled hourly cleanup after analysis finishes, and never shared.
Open-source engines
Built on androguard for APK parsing and manifest/certificate analysis.
No sign-up
Start immediately — no account, login, or email required.
Works anywhere
Runs in any modern browser, on desktop or mobile.
Frequently asked questions
What does APK Size Analyzer do?
See exactly what's inside an APK by size — the biggest files, native libraries, resources, and assets — so you can find what's bloating your download.
Why are the sizes bigger than my APK download?
These are uncompressed sizes, which reflect what's installed and parsed on device — usually larger than the compressed download.
Is it free to use?
Yes. Every tool on APKLint is completely free, with no sign-up and no account.
How is my data handled?
Your uploaded file and its result are processed on our servers over an encrypted connection, then removed by the next hourly cleanup after analysis finishes. We never share them.
What files can I send?
An Android APK — a .apk file — up to 1 GB.
Related tools
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