Best ktfmt Alternatives ranked by AI · updated Aug 2026

ktfmt is an opinionated Kotlin source-code formatter for developers and teams who want consistent formatting with minimal configuration. It is based on google-java-format and integrates with Gradle, Maven, and command-line workflows.

Developer: Facebook Price: Free 🎯 github.com/facebook/ktfmt

🛠️ Developer Tools 🔓 Open Source kotlin code formatting

Top 6 ktfmt alternatives

ktlint

💡 Pick it if you want Kotlin formatting plus configurable lint rules and broader ecosystem integrations.

ktlint is a Kotlin linter and formatter for teams enforcing Kotlin coding conventions in local development and CI. It combines formatting with...

Pros

Combines formatting and linting rather than formatting alone
Provides more configurable rules and extensions than ktfmt
Has broad Gradle, Maven, IntelliJ, and CI integration

Cons

More configuration and rule management than ktfmt
Can produce more style warnings than a formatter-only tool
Custom rules may require ongoing maintenance

Free

Alternatives to ktlint → Visit site

IntelliJ IDEA

💡 Pick it if you want Kotlin formatting alongside deep IDE editing, refactoring, and inspection features.

IntelliJ IDEA is a powerful Java integrated development environment (IDE) for software developers. It provides advanced coding assistance, intelligent code analysis, and...

Starting at $149/year for individual use

Alternatives to IntelliJ IDEA → Visit site

Android Studio

💡 Pick it if you develop Android apps and want Kotlin formatting built into the standard Android IDE.

Android Studio is the official integrated development environment (IDE) for Android app development, based on IntelliJ IDEA. It offers a comprehensive range...

Free

Alternatives to Android Studio → Visit site

Spotless

💡 Pick it if you need one CI-enforced formatting workflow for Kotlin and multiple other file types.

Spotless is a powerful software for organizing and cleaning your digital workspace. It helps you declutter your files and folders, optimize storage...

$29.99/month

Alternatives to Spotless → Visit site

Diktat

Sber

💡 Pick it if formatting should be paired with opinionated Kotlin design and maintainability checks.

Diktat is a Kotlin static-analysis and formatting tool that checks code against an opinionated set of style and design rules. It targets...

Pros

Checks design and maintainability rules beyond basic formatting
Includes automated formatting for supported style violations
Works with Gradle and integrates into CI quality gates

Cons

Broader ruleset can be noisier than ktfmt
Requires more policy decisions and configuration than a formatter-only tool
Smaller community and ecosystem than ktlint

Free

Alternatives to Diktat → Visit site

Kotlin Formatter

JetBrains

💡 Pick it if you want Kotlin's conventional, highly configurable formatter inside a JetBrains IDE.

Kotlin Formatter is the Kotlin code-style formatter built into JetBrains IDEs and documented through Kotlin's official coding conventions. It serves Kotlin developers...