Formatting code is one of the quickest ways to make a snippet understandable. Whether you are reviewing pasted JavaScript, cleaning up JSON, sharing CSS, or debugging minified output, a formatter turns hard-to-scan text into readable structure.
Why format code?
Code formatting improves readability without changing what the code means. It adds consistent indentation, line breaks, spacing, and punctuation placement so humans can see structure quickly.
const user={id:1,name:"Jane",roles:["admin","dev"]};if(user.roles.includes("admin")){console.log(user.name);}After formatting, the same code is easier to review:
const user = {
id: 1,
name: "Jane",
roles: ["admin", "dev"],
};
if (user.roles.includes("admin")) {
console.log(user.name);
}Beautify vs minify
Beautifying expands code for people. Minifying compresses code for machines. Both are useful, but they solve opposite problems.
- Beautify when reading, debugging, reviewing, teaching, or documenting code.
- Minify when sending code to production or reducing payload size.
- Validate first when the language has strict syntax, especially JSON.
Common languages to format
- JavaScript and TypeScript — clean up pasted snippets, callbacks, objects, and imports.
- JSON — validate structure while formatting nested data.
- HTML — reveal nested tags and closing-tag problems.
- CSS — normalize selectors, blocks, and declarations.
- SQL — make joins, conditions, and selected columns easier to inspect.
How to format code using inspectly.dev
- Open inspectly.dev/formatter
- Choose the language that matches your snippet
- Paste code into the input panel
- Click Format to beautify or Minify to compress
- Copy the output when it looks right
Debugging tips
- Pick the right language — JSON and JavaScript look similar but have different syntax rules.
- Format before review — indentation exposes missing braces, nested callbacks, and unclear conditionals.
- Do not format secrets into shared screenshots — remove API keys, tokens, emails, and private URLs first.
- Keep project formatting in code — for source files, use your repository formatter as the final authority.
Frequently asked questions
Does formatting change my code?
A formatter should preserve behavior while changing whitespace and layout. Minifying changes layout more aggressively, but should still preserve behavior for valid code.
Can I format minified JavaScript?
Yes. Formatting minified JavaScript makes it easier to inspect, though original variable names and comments cannot be restored if they were removed.
Is it safe to paste code into an online formatter?
With inspectly.dev, formatting runs in your browser. For sensitive proprietary code, remove secrets and consider using a private browsing session.