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Tech riderRev. 21 Sept 2026

clang-format

Ch 136.8of 34 Code Formatting Tools
  1. 1Runs onBrowser, Linux, Mac, Windows
  2. 2CostsNot stated by the maker
  3. 3License modelopen source
  4. 4Supported languagesC, C++, Java, JavaScript, JSON, Objective-C, Protocol Buffers, C#, TableGen, TextProto, Verilog
  5. 5Supported platformsWindows, macOS, Linux
  6. 6Editor integrationYes
  7. 7Ignore filesYes
  8. 8Changed-lines formattingYes
  9. 9Library APIYes
8 lines stated Written from the maker's own pages: clang.llvm.org
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Overview

clang-format is ranked #13 of 34 in code formatting tools on Specifiction. It runs on Browser extension, Linux, macOS, Windows.

Compared on code formatting tools

Free plan
Yesclang.llvm.org
Supported languages
C, C++, Java, JavaScript, JSON, Objective-C, Protocol Buffers, C#, TableGen, TextProto, Verilogclang.llvm.org
Supported platforms
Windows, macOS, Linuxclang.llvm.org
Editor integration
Yesclang.llvm.org
Ignore files
Yesclang.llvm.org
Changed-lines formatting
Yesclang.llvm.org
Library API
Yesclang.llvm.org
License model
open_sourceclang.llvm.org

Facts

Purpose
ClangFormat is a set of tools built on LibFormat for formatting source code, available as a standalone tool and through editor integrations.clang.llvm.org · 30 Sept 2026
Languages
The standalone tool formats C, C++, Java, JavaScript, JSON, Objective-C, Protobuf, and C# code.clang.llvm.org · 30 Sept 2026
Configuration
Formatting styles can be set with command-line options or project-level .clang-format or _clang-format files.clang.llvm.org · 30 Sept 2026
Style presets
Built-in style presets include LLVM, GNU, Google, Chromium, Microsoft, Mozilla, and WebKit.clang.llvm.org · 30 Sept 2026
Editor integrations
The documentation describes integrations for Vim, Emacs, BBEdit, CLion, Visual Studio, and Visual Studio Code.clang.llvm.org · 30 Sept 2026
Git workflow
The git-clang-format script can format lines changed in commits or staged changes.clang.llvm.org · 30 Sept 2026
Patch workflow
The clang-format-diff.py script reads unified diff output and reformats the changed lines.clang.llvm.org · 30 Sept 2026
Selective formatting
The command-line tool can format specified line or byte ranges in a single input file.clang.llvm.org · 30 Sept 2026
Ignore rules
A .clang-format-ignore file can contain path patterns for files that clang-format should skip.clang.llvm.org · 30 Sept 2026
Windows availability
The Clang build guide documents building Clang on Windows using Visual Studio.clang.llvm.org · 30 Sept 2026
Linux and macOS availability
The Clang guide describes building on Unix-like systems and says Clang is provided by major BSD and GNU/Linux distributions and is the default compiler for Mac OS X from Xcode 4.2.clang.llvm.org · 30 Sept 2026
License
The LLVM Project states that its code is licensed under the Apache 2.0 License with LLVM exceptions.llvm.org · 30 Sept 2026
Support
The Clang guide directs users who encounter problems to file bugs on the LLVM bug tracker.clang.llvm.org · 30 Sept 2026
Style configuration
Users can select built-in LLVM, GNU, Google, Chromium, Microsoft, Mozilla, and WebKit styles or configure formatting in a .clang-format file.clang.llvm.org · 30 Sept 2026
Git integration
The git-clang-format script can format lines changed in commits or staged changes.clang.llvm.org · 30 Sept 2026
Release verification
LLVM source packages and Git tags are signed by release managers, and the page provides keys for verification.releases.llvm.org · 30 Sept 2026
Distribution
The LLVM project provides source and pre-built binary downloads, with listed binaries including Windows, macOS, and Linux platforms.releases.llvm.org · 30 Sept 2026
Support and community
LLVM directs users to its Discourse forum and mailing lists, and announces new releases in its Announce category.releases.llvm.org · 30 Sept 2026
Limit
Formatting a line range or byte range can only be used with one input file.clang.llvm.org · 30 Sept 2026
Intended users
The documentation presents ClangFormat as a standalone tool and editor integration for source-code formatting workflows.clang.llvm.org · 30 Sept 2026

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