JSON Formatter

Spec sheet

Purpose

The browser tool formats, validates, and minifies JSON, and reports syntax errors with their line and column.Read 3 Oct 2026 · json-formatter.org

Audience

The site describes formatting as useful for reading and debugging minified API and log JSON, and for catching syntax errors before production.Read 3 Oct 2026 · json-formatter.org

Command-line input

The formatter can extract JSON bodies from pasted curl or wget commands using -d, --data, or --json.Read 3 Oct 2026 · json-formatter.org

File size

The site says there is no hard file-size limit and that practical capacity depends on the user's machine; documents in the tens of megabytes work in modern browsers.Read 3 Oct 2026 · json-formatter.org

Indentation

Formatting supports 2 or 3 or 4 spaces, or tabs.Read 3 Oct 2026 · json-formatter.org

JSONPath

A JSONPath filter extracts selected fields from a document.Read 3 Oct 2026 · json-formatter.org

Local processing

Formatting, validation, minification, and filtering run in the browser, and the site says JSON is not uploaded, stored, or logged.Read 3 Oct 2026 · json-formatter.org

Repair

The repair feature handles common invalid JSON such as single quotes, unquoted keys, trailing commas, comments, and Python-style True/None literals.Read 3 Oct 2026 · json-formatter.org

Sharing

Share links pack the JSON into the link itself without using a server to store it.Read 3 Oct 2026 · json-formatter.org

Shortcuts

Ctrl+Enter (Cmd+Enter on Mac) formats input, Ctrl+F opens search, and Tab indents.Read 3 Oct 2026 · json-formatter.org

Standards

Validation supports RFC 8259, RFC 7159, RFC 4627, and ECMA-404.Read 3 Oct 2026 · json-formatter.org

Workflow features

The page lists dark mode, drag-and-drop upload, download, autosave, and Ctrl+F search.Read 3 Oct 2026 · json-formatter.org

Plans and prices

Every JSON Formatter plan and price →

Where Specifiction places it

• JSON Tools#22 of 297.2