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JavaScript Beautifier

Format, clean up, and indent JavaScript codes client-side.

Developer Tools Suite
JSON FormatterBase64 Encoder/DecoderURL Encoder/DecoderJWT DecoderUUID GeneratorHash GeneratorRegex TesterHTML FormatterCSS MinifierJavaScript Beautifier

Workspace Inputs

Result / Output

Sponsored

What is JavaScript Beautifier?

JavaScript beautification structures unformatted code lines into clean layouts using indentation rules.

Format scripts blocks inside the browser.

How to use the JavaScript Beautifier

  1. 1Paste JS logic blocks.
  2. 2Retrieve indented outputs.
  3. 3Copy result.

Benefits & Key Features

  • Nesting brackets alignment.
  • Standard indentation loops.
  • Offline processing.

Frequently Asked Questions

No. The utility only performs string-based visual formatting.

Related Tools

JSON Formatter

Format, beautify, and validate JSON data. Compact/minify JSON code. Instant validation.

json formatbeautifierminify json

Base64 Encoder/Decoder

Encode plain text to Base64 format or decode Base64 strings back to text.

base64encode base64decode base64

URL Encoder/Decoder

Encode strings to URL-safe percent encoding or decode percent-encoded URLs back.

url encodeurl decodepercent encoding

JWT Decoder

Decode and parse JWT tokens instantly. Extract header, payload, and signatures.

jwtjson web tokentoken parser