DNS Insight

Webmaster Tools

27 utility tools: Base64 encoder/decoder, JWT tools, hash generator, UUID generator, JSON formatter, regex tester, QR code generator, and more.

Base64 Encode

Convert plain text, URLs, or binary data into Base64 encoded strings for safe transmission.

Base64 Decode

Convert Base64 encoded strings back to their original form for debugging APIs and JWTs.

Image to Base64

Convert images to Base64-encoded data URIs for embedding directly in HTML or CSS.

URL Encode

Convert special characters to percent-encoded format for safe use in URLs.

URL Decode

Convert percent-encoded strings back to readable text for debugging URLs.

JWT Generator

Generate JWT tokens with custom headers and payloads for testing authentication systems.

JWT Decode

Parse and display the contents of a JWT token to see headers, payload, and claims.

Hash Generator

Create cryptographic hashes of text using MD5, SHA-1, SHA-256 algorithms.

UUID Generator

Generate universally unique identifiers (UUIDs) for databases and distributed systems.

Password Generator

Generate strong, random passwords with customizable length and character sets.

JSON Formatter

Format and validate JSON with proper indentation and syntax highlighting.

HTML Encode

Convert special characters to HTML entities to prevent XSS vulnerabilities.

HTML Decode

Convert HTML entities back to their original characters.

Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa.

Colour Converter

Convert colour values between HEX, RGB, and HSL formats for CSS development.

Regex Tester

Test and debug regular expressions with live matching and capture group display.

Lorem Ipsum

Generate Lorem Ipsum placeholder text for design mockups and content testing.

Markdown Preview

Write Markdown and see the rendered HTML preview in real-time.

Text Diff

Compare two text blocks and highlight the differences between them.

Case Converter

Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.

Word Counter

Analyze text for word count, character count, sentence count, and reading time.

QR Code Generator

Generate QR codes from URLs, text, or any data up to 4,296 characters.

Cron Parser

Parse cron expressions to understand when scheduled jobs will run.

robots.txt Validator

Validate robots.txt syntax and test if URLs are allowed or blocked.

XML ↔ JSON

Convert between XML and JSON formats for data transformation and API development.

YAML Validator

Validate and format YAML syntax for Docker, Kubernetes, and CI/CD configurations.

CSV to JSON

Convert CSV data to JSON array format with custom delimiter support.