JSON Formatting in VS Code: Built-in Tools and Extensions
How to format JSON in VS Code using built-in tools (Shift+Alt+F), the JSON language server, and the best formatter extensions available in 2026.
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Tags: json, developer-tools, vscode
JSON Formatting in VS Code: Built-in Tools and Extensions VS Code ships with a capable JSON formatter out of the box. Most developers don't need an extension for basic formatting — the built-in JSON language server handles syntax validation, pretty printing, and format-on-save with zero configuration. This guide covers the built-in capabilities first, then explains where extensions add genuine value. The Keyboard Shortcut Format a JSON file without any configuration: Windows / Linux: macOS: This triggers VS Code's built-in formatter for the current file type. If you're editing a file, it uses the JSON language server. If you're editing a or file with an embedded JSON string, it may prompt you to choose a formatter. The shortcut works on partial selections too. Select a range of text, then…
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