# Install fernflower

Advanced decompiler for Java bytecode. Version 261.25134.95 via Homebrew; verified 2026-06-04.

## Install

```sh
sudo av install brew:fernflower
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install fernflower
```

  Evidence: local Homebrew formula metadata

### Linux

- dnf (92%):

```sh
sudo dnf install fernflower
```

  Evidence: Fedora Rawhide package metadata: fernflower from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/13ee7b80cb813542594d4235c4a0b8695435d5ecf23dd3580bc7515ae1b6180d-primary.xml.zst

## Package Facts

- **Package key:** brew:fernflower
- **Package manager:** Homebrew
- **Package manager URL:** <https://formulae.brew.sh/formula/fernflower>
- **Version:** 261.25134.95
- **Source summary:** Advanced decompiler for Java bytecode
- **Homepage:** <https://github.com/JetBrains/fernflower>
- **Repository:** <https://github.com/JetBrains/fernflower>
- **Upstream docs:** <https://github.com/JetBrains/fernflower#readme>
- **License:** Apache-2.0
- **Source archive:** <https://www.jetbrains.com/intellij-repository/releases/com/jetbrains/intellij/java/java-decompiler-engine/261.25134.95/java-decompiler-engine-261.25134.95.jar>
- **Last updated:** 2026-06-04T22:31:36Z
- **Generated:** 2026-06-10T07:18:26+00:00

## Executables

- fernflower (cli)
- fernflower (alias)

## Dependencies

- openjdk

## Install Behavior

- Post-install hook: not defined
- Bottle: available on all

## Freshness

- Page generated: 2026-06-10
- Package-manager version: 261.25134.95
- Package-manager updated: 2026-06-04
- Local data status: ok
- Upstream repository: https://github.com/JetBrains/fernflower
- info: No cached GitHub release or tag data was available.

## セキュリティノート

no executable entrypoint in the package index.

- **Geiger risk:** green / low
- no executable entrypoint in the package index

## Source Database Details

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** fernflower
- **Version Scheme:** 0
- **Revision:** 0
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable

## Other Package-Manager Records

- dnf - fernflower - 211.7442.40-17.fc44: normalized package name match | Fedora Rawhide package metadata: fernflower from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/13ee7b80cb813542594d4235c4a0b8695435d5ecf23dd3580bc7515ae1b6180d-primary.xml.zst | JIdea's java decompiler | https://github.com/JetBrains/intellij-community/tree/master/plugins/java-decompiler/engine
- dnf - fernflower-javadoc - 211.7442.40-17.fc44: normalized package name match | Fedora Rawhide package metadata: fernflower-javadoc from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/13ee7b80cb813542594d4235c4a0b8695435d5ecf23dd3580bc7515ae1b6180d-primary.xml.zst | fernflower API documentation | https://github.com/JetBrains/intellij-community/tree/master/plugins/java-decompiler/engine


## Related Links

- [Source-control packages](https://www.automicvault.com/ja/pkg/source-control-tools/) - Belongs to a source-control command family.
- [Terminal utility packages](https://www.automicvault.com/ja/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Text processing packages](https://www.automicvault.com/ja/pkg/text-processing-tools/) - Matched text, document, or structured-data processing metadata.
- [Developer build packages](https://www.automicvault.com/ja/pkg/developer-build-tools/) - Matched build, compiler, generator, or developer workflow metadata.
- [openjdk](https://www.automicvault.com/ja/pkg/brew/openjdk/) - Runtime dependency declared by Homebrew.
- [procyon-decompiler](https://www.automicvault.com/ja/pkg/brew/procyon-decompiler/) - Shares av.db curated category or tags: bytecode, cli, decompiler, developer-tools, java.
- [dex2jar](https://www.automicvault.com/ja/pkg/brew/dex2jar/) - Shares av.db curated category or tags: bytecode, cli, developer-tools, java, reverse-engineering.
- [cfr-decompiler](https://www.automicvault.com/ja/pkg/brew/cfr-decompiler/) - Shares av.db curated category or tags: bytecode, cli, decompiler, developer-tools, java.
- [capstone](https://www.automicvault.com/ja/pkg/brew/capstone/) - Shares av.db curated category or tags: cli, developer-tools, reverse-engineering.
- [vineflower](https://www.automicvault.com/ja/pkg/brew/vineflower/) - Shares av.db curated category or tags: cli, decompiler, developer-tools, java.
- [proguard](https://www.automicvault.com/ja/pkg/brew/proguard/) - Shares av.db curated category or tags: bytecode, cli, developer-tools, java.
- [byteman](https://www.automicvault.com/ja/pkg/brew/byteman/) - Shares av.db curated category or tags: bytecode, cli, developer-tools, java.
- [jasmin](https://www.automicvault.com/ja/pkg/brew/jasmin/) - Shares av.db curated category or tags: bytecode, cli, developer-tools, java.
- [apktool](https://www.automicvault.com/ja/pkg/brew/apktool/) - Local package facts share a topical domain. Shared terms: cli, developer, developer-tools, engineering, openjdk.

## Sources

- Nucleus package database
- Geiger risk classifier
- package-page enrichment
- package version freshness
- av.db category and tag curation
- package relationship graph
- external package-manager database matches
- cross-ecosystem install command graph