# Checkstyle vs Prettier

**Leader by Vioscale score:** Prettier

| Attribute | Checkstyle | Prettier |
|---|---|---|
| **Vioscale score** | 61.4 (54% (medium)) | 81.5 (79% (high)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 1,425 | 1,703,312 |
| adoption.github_stars | 9,001 | 52,212 |
| adoption.package_downloads_weekly | - | 133,260,364 |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | A development tool that automatically scans Java code to verify adherence to coding standards, detecting style violations, design problems, and formatting issues. Supports customizable rule sets and integrates with build tools and IDEs. | Prettier is a code formatting tool that parses source code and reprints it with its own consistent style rules. It integrates with editors and CI systems to format code automatically on save or in version control workflows, reducing style-related code review discussions. |
| features.capabilities | `{"autofix":false,"metrics":true,"function":"static_analyzer","ci_gating":true,"deployment":"cli_local","open_source":"oss","config_model":"config_file","custom_rules":true,"impl_language":"Java","pricing_model":"free","language_scope":"single_language"}` | `{"autofix":true,"metrics":false,"function":"formatter","ci_gating":true,"incremental":true,"open_source":"oss","config_model":"config_file","custom_rules":false,"impl_language":"JavaScript","pricing_model":"free","language_scope":"multi_language","editor_integration":true}` |
| integrations.count | 2 | 19 |
| integrations.list | `[{"name":"Maven"},{"name":"Ant"}]` | `[{"name":"VS Code"},{"name":"WebStorm"},{"name":"Vim"},{"name":"Sublime Text"},{"name":"Emacs"},{"name":"Visual Studio"},{"name":"Nova"},{"name":"Neovim"}]` |
| language.primary | Java | JavaScript |
| license.spdx | LGPL-2.1 | MIT |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"free","sourceUrl":"https://checkstyle.org/","retrievedAt":"2026-08-14T08:38:14.583Z"}` | `{"type":"open_source","summary":"Free and open source","freeTier":true,"sourceUrl":"https://prettier.io","retrievedAt":"2026-08-14T13:46:04.335Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | 14 | 3 |
| release.history | `[{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-14.0.0","date":"2026-08-18T13:09:20Z","type":"stable","version":"checkstyle-14.0.0"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-13.11.0","date":"2026-08-16T21:52:20Z","type":"stable","version":"checkstyle-13.11.0"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-13.10.0","date":"2026-08-09T17:48:41Z","type":"stable","version":"checkstyle-13.10.0"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-13.9.0","date":"2026-07-27T01:04:59Z","type":"stable","version":"checkstyle-13.9.0"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-13.8.0","date":"2026-07-12T02:55:15Z","type":"stable","version":"checkstyle-13.8.0"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-13.7.0","date":"2026-06-28T15:13:54Z","type":"stable","version":"checkstyle-13.7.0"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-13.6.0","date":"2026-06-15T03:24:52Z","type":"stable","version":"checkstyle-13.6.0"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-13.5.0","date":"2026-05-30T20:22:13Z","type":"stable","version":"checkstyle-13.5.0"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-13.4.2","date":"2026-05-02T04:07:51Z","type":"stable","version":"checkstyle-13.4.2"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-13.4.1","date":"2026-04-27T12:43:10Z","type":"stable","version":"checkstyle-13.4.1"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-13.4.0","date":"2026-03-29T17:41:44Z","type":"stable","version":"checkstyle-13.4.0"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-13.3.0","date":"2026-02-28T17:36:40Z","type":"stable","version":"checkstyle-13.3.0"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-13.2.0","date":"2026-02-05T20:28:40Z","type":"stable","version":"checkstyle-13.2.0"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-13.1.0","date":"2026-01-31T17:26:20Z","type":"stable","version":"checkstyle-13.1.0"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-13.0.0","date":"2026-01-04T23:48:39Z","type":"stable","version":"checkstyle-13.0.0"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-12.3.1","date":"2025-12-31T15:42:54Z","type":"stable","version":"checkstyle-12.3.1"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-12.3.0","date":"2025-12-13T15:50:49Z","type":"stable","version":"checkstyle-12.3.0"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-12.2.0","date":"2025-11-30T13:55:29Z","type":"stable","version":"checkstyle-12.2.0"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-12.1.2","date":"2025-11-11T16:40:51Z","type":"stable","version":"checkstyle-12.1.2"},{"url":"https://github.com/checkstyle/checkstyle/releases/tag/checkstyle-12.1.1","date":"2025-10-26T14:12:24Z","type":"stable","version":"checkstyle-12.1.1"}]` | `[{"url":"https://github.com/prettier/prettier/releases/tag/3.9.6","date":"2026-07-21T05:52:55Z","type":"stable","version":"3.9.6"},{"url":"https://github.com/prettier/prettier/releases/tag/3.9.5","date":"2026-07-09T16:22:50Z","type":"stable","version":"3.9.5"},{"url":"https://github.com/prettier/prettier/releases/tag/3.9.4","date":"2026-06-30T01:21:45Z","type":"stable","version":"3.9.4"},{"url":"https://github.com/prettier/prettier/releases/tag/3.9.3","date":"2026-06-29T11:38:44Z","type":"stable","version":"3.9.3"},{"url":"https://github.com/prettier/prettier/releases/tag/3.9.1","date":"2026-06-27T23:06:22Z","type":"stable","version":"3.9.1"},{"url":"https://github.com/prettier/prettier/releases/tag/3.9.0","date":"2026-06-27T10:28:04Z","type":"stable","version":"3.9.0"},{"url":"https://github.com/prettier/prettier/releases/tag/3.8.5","date":"2026-06-26T13:00:46Z","type":"stable","version":"3.8.5"},{"url":"https://github.com/prettier/prettier/releases/tag/3.8.4","date":"2026-06-09T11:31:30Z","type":"stable","version":"3.8.4"},{"url":"https://github.com/prettier/prettier/releases/tag/3.8.3","date":"2026-04-15T01:00:35Z","type":"stable","version":"3.8.3"},{"url":"https://github.com/prettier/prettier/releases/tag/3.8.2","date":"2026-04-10T02:44:52Z","type":"stable","version":"3.8.2"},{"url":"https://github.com/prettier/prettier/releases/tag/3.8.1","date":"2026-01-21T17:50:23Z","type":"stable","version":"3.8.1"},{"url":"https://github.com/prettier/prettier/releases/tag/3.8.0","date":"2026-01-14T23:56:57Z","type":"stable","version":"3.8.0"},{"url":"https://github.com/prettier/prettier/releases/tag/3.7.4","date":"2025-12-03T04:37:09Z","type":"stable","version":"3.7.4"},{"url":"https://github.com/prettier/prettier/releases/tag/3.7.3","date":"2025-11-29T17:55:30Z","type":"stable","version":"3.7.3"},{"url":"https://github.com/prettier/prettier/releases/tag/3.7.2","date":"2025-11-28T20:58:56Z","type":"stable","version":"3.7.2"},{"url":"https://github.com/prettier/prettier/releases/tag/3.7.1","date":"2025-11-27T11:32:54Z","type":"stable","version":"3.7.1"},{"url":"https://github.com/prettier/prettier/releases/tag/3.7.0","date":"2025-11-27T08:30:50Z","type":"stable","version":"3.7.0"},{"url":"https://github.com/prettier/prettier/releases/tag/3.6.2","date":"2025-06-27T02:54:44Z","type":"stable","version":"3.6.2"},{"url":"https://github.com/prettier/prettier/releases/tag/3.6.1","date":"2025-06-25T06:46:24Z","type":"stable","version":"3.6.1"},{"url":"https://github.com/prettier/prettier/releases/tag/3.6.0","date":"2025-06-23T02:03:42Z","type":"stable","version":"3.6.0"}]` |
| reliability.status_page | yes | - |
| security.scorecard | 6.7 | 6.7 |
| security.vulnerabilities | `{"count":2,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.puppycrawl.tools%3Acheckstyle&per_page=100","last_12m":0,"max_severity":"MODERATE"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=prettier&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Code Quality Tools)

| Capability | Checkstyle | Prettier |
|---|:--:|:--:|
| **Core** |  |  |
| Function | Static analyzer | Formatter |
| Language scope | Single-language | Multi-language |
| Implementation language | Java | JavaScript |
| **Capability** |  |  |
| Autofix | ✗ | ✓ |
| **Config** |  |  |
| Config model | Config file | Config file |
| **Extensibility** |  |  |
| Custom rules | ✓ | ✗ |
| **Deployment** |  |  |
| Deployment | CLI-local | - |
| **Delivery** |  |  |
| Editor integration | - | ✓ |
| CI / VCS gating | ✓ | ✓ |
| **Insight** |  |  |
| Code metrics | ✓ | ✗ |
| **Performance** |  |  |
| Incremental / monorepo aware | - | ✓ |
| **Licensing** |  |  |
| Open-source | OSS | OSS |
| **Commercial** |  |  |
| Pricing model | Free | Free |

*Source: Vioscale. Generated 2026-09-01T17:19:44.409Z. "-" = undocumented, not absent.*