Android Studio Lint: Run the Build-Integrated Check, Not Just a Snippet Scan
Android Lint is a build-aware analysis tool, not just the warning underline in the editor. Run it for the relevant module and variant so manifest, resource.
Code quality
Android Lint Online
Catch common Android correctness, performance, and security issues in pasted Java or Kotlin with fast static checks. Heuristic scan, not a full Lint build.
Lint rules catch the patterns that break builds, leak data or fail review — before your users or the store finds them. Catch common Android correctness, performance, and security issues in pasted Java or Kotlin with fast static checks. Heuristic scan, not a full Lint build. Paste your Kotlin or Java source in your browser to view the relevant details; results reflect what you paste.
Nothing is stored. What you submit is processed on our servers over an encrypted connection for this request only — it isn’t written to file or object storage, and never shared. No account required.
About Android Lint Online
Lint rules catch the patterns that break builds, leak data or fail review — before your users or the store finds them. Catch common Android correctness, performance, and security issues in pasted Java or Kotlin with fast static checks. Heuristic scan, not a full Lint build.
Android Lint Online is part of APKLint’s code quality toolkit — Static analysis for Kotlin, Java, and your Gradle build. It’s free to use and needs no account.
Your privacy is the default: what you submit is processed on our servers over an encrypted connection for that request only — it isn’t written to file or object storage, and never shared.
What Android Lint Online checks
- Correctness, performance, and security patterns in pasted code
- Common Android API misuse
- Quick heuristic warnings
- Pointers to the right fix
Good to know: A fast heuristic scan — it is NOT the official Android Lint (which runs in Gradle across your whole project).
When to use Android Lint Online
- Best for
- A hosted, Android-Lint-style pass over pasted Java/Kotlin for correctness, performance, and security hints, no Android Studio needed.
- Not the right tool for
- Not the official Gradle lint and not project-wide; treat results as static hints.
- What you get back
- Lint-style hints grouped by correctness, performance, and security for the pasted code.
- How it differs from related APKLint tools
- It emulates Android Studio's lint categories, where the Code Checker is general mistakes and Kotlin Lint is Kotlin-only.
- Limitations
- Heuristic hints on pasted code, not a one-to-one match for the real Android Lint engine.
How to use Android Lint Online
- Paste your code — Paste one Java or Kotlin source file or snippet.
- Send for analysis — APKLint checks it on our servers over an encrypted connection.
- Review the findings — Work through each result with a short explanation of why it matters.
- Nothing is stored — Your pasted text is processed for this request only — it isn't written to file or object storage, logged for analytics, or shared.
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
What you submit is processed for the request only — it isn't written to file or object storage, and never shared.
How it runs
Lightweight pattern-based static checks — a heuristic scan, not a full Lint build.
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 Android Lint Online do?
Catch common Android correctness, performance, and security issues in pasted Java or Kotlin with fast static checks. Heuristic scan, not a full Lint build.
Is this the real Android Lint?
No. The official Android Lint runs in your build over the full project. This is a quick pattern-based check on pasted code.
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?
What you submit is sent to our backend over an encrypted connection only to produce your result. It isn't written to file storage, used for analytics, or shared.
What should I paste in?
Paste one Java or Kotlin source file or snippet.
Related tools
All product names, logos, and trademarks are property of their respective owners. APKLint is an independent toolset and is not affiliated with, endorsed by, or sponsored by Google, Android, or any other party.