Developer Tools APIs

Code Formatter

Popular

Format code in multiple languages. Supports JavaScript, Python, PHP, CSS, HTML, and more.

POST /api/v1/devtools/format
{ "code": "function test(){return 1}",
  "language": "javascript",
  "style": "prettier" }

// Response
{ "formatted": "function test() {\n  return 1;\n}",
  "language": "javascript",
  "changes": 3 }

20+ Languages Prettier Custom Rules

Syntax Highlighter

Add syntax highlighting to code snippets. Returns HTML with themed styling.

POST /api/v1/devtools/highlight
{ "code": "const x = 42;",
  "language": "javascript",
  "theme": "monokai" }

// Response
{ "html": "<pre class=\"hl\">...",
  "css": ".hl-keyword{color:#f92672}",
  "theme": "monokai" }

50+ Languages Themes Line Numbers

JSON Validator

Popular

Validate and format JSON data. Schema validation, pretty print, and error detection.

POST /api/v1/devtools/json/validate
{ "json": "{\"name\":\"test\",\"value\":123}",
  "format": true }

// Response
{ "valid": true,
  "formatted": "{\n  \"name\": \"test\",\n  \"value\": 123\n}",
  "stats": { "keys": 2, "depth": 1 } }

Validation Pretty Print Schema

XML Parser

Parse and validate XML documents. Convert to JSON, XPath queries, and schema validation.

POST /api/v1/devtools/xml/parse
{ "xml": "<user><name>John</name></user>",
  "output": "json" }

// Response
{ "valid": true,
  "json": { "user": { "name": "John" } },
  "elements": 2 }

XML to JSON XPath XSD Validation

Base64 Encode/Decode

Encode and decode Base64 strings. Support for text, binary data, and URL-safe encoding.

POST /api/v1/devtools/base64
{ "input": "Hello, World!",
  "action": "encode",
  "url_safe": false }

// Response
{ "output": "SGVsbG8sIFdvcmxkIQ==",
  "action": "encode",
  "length": 24 }

Encode Decode URL-Safe

Hash Generator

Generate cryptographic hashes. MD5, SHA-1, SHA-256, SHA-512, and HMAC support.

POST /api/v1/devtools/hash
{ "input": "my-secret-data",
  "algorithm": "sha256" }

// Response
{ "hash": "a1b2c3d4e5f6...",
  "algorithm": "sha256",
  "length": 64,
  "uppercase": "A1B2C3D4E5F6..." }

MD5 SHA-256 HMAC

UUID Generator

Create unique identifiers. UUID v1, v4, v5, ULID, and nanoid generation.

GET /api/v1/devtools/uuid?version=4&count=3

// Response
{ "uuids": [
    "550e8400-e29b-41d4-a716-446655440000",
    "6ba7b810-9dad-11d1-80b4-00c04fd430c8",
    "f47ac10b-58cc-4372-a567-0e02b2c3d479"
  ],
  "version": 4 }

UUID v4 ULID Batch

Regex Tester

Test regular expressions against text. Get matches, groups, and explanation of patterns.

POST /api/v1/devtools/regex
{ "pattern": "\\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,}\\b",
  "text": "Contact: test@example.com",
  "flags": "i" }

// Response
{ "matches": ["test@example.com"],
  "groups": [],
  "count": 1,
  "valid": true }

Test Groups Explain

Diff Tool

Compare text or code differences. Line-by-line diff, unified format, and HTML output.

POST /api/v1/devtools/diff
{ "original": "Hello World",
  "modified": "Hello Universe",
  "format": "unified" }

// Response
{ "diff": "- Hello World\n+ Hello Universe",
  "changes": 1,
  "additions": 1,
  "deletions": 1 }

Unified Side-by-Side HTML

Minifier

Minify JavaScript, CSS, and HTML. Remove whitespace, comments, and optimize code size.

POST /api/v1/devtools/minify
{ "code": "function hello() {\n  return 'world';\n}",
  "type": "javascript" }

// Response
{ "minified": "function hello(){return'world'}",
  "original_size": 42,
  "minified_size": 30,
  "savings": "28.6%" }

JavaScript CSS HTML

Cron Parser

Parse and explain cron expressions. Get next run times and human-readable descriptions.

POST /api/v1/devtools/cron
{ "expression": "0 9 * * 1-5",
  "timezone": "America/New_York" }

// Response
{ "valid": true,
  "description": "At 9:00 AM, Mon-Fri",
  "next_runs": [
    "2024-01-22T09:00:00-05:00",
    "2024-01-23T09:00:00-05:00"
  ] }

Parse Next Runs Timezone

JWT Decoder

Decode and inspect JWT tokens. View header, payload, and verify signatures.

POST /api/v1/devtools/jwt/decode
{ "token": "eyJhbGciOiJIUzI1NiIs..." }

// Response
{ "header": { "alg": "HS256", "typ": "JWT" },
  "payload": { "sub": "1234567890",
    "name": "John Doe", "iat": 1516239022 },
  "expired": false }

Decode Verify Expiry Check

Lorem Ipsum

Generate placeholder text. Paragraphs, sentences, or words with various styles.

GET /api/v1/devtools/lorem
?type=paragraphs&count=2

// Response
{ "text": "Lorem ipsum dolor sit amet,
  consectetur adipiscing elit...",
  "type": "paragraphs",
  "count": 2,
  "word_count": 120 }

Paragraphs Sentences Words