Developer Tools & Utilities with DevToolKit

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Regex Tester

Test and debug regular expressions with real-time matching and syntax highlighting.

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Cron Expression Builder

Build and understand cron expressions with a visual schedule builder.

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JWT Decoder

Decode and inspect JSON Web Tokens. View header, payload, and signature.

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HTML Entity Encoder

Encode and decode HTML entities. Convert special characters for safe display.

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CSS Minifier

Minify CSS to reduce file size. Remove comments, whitespace, and optimize.

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JavaScript Minifier

Minify JavaScript code. Reduce file size for faster page loading.

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Markdown Preview

Preview Markdown text as rendered HTML in real-time.

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Text Diff Checker

Compare two texts side by side and highlight differences.

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SQL Formatter

Beautify and format SQL queries with proper indentation.

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UUID Generator

Generate UUID/GUID versions 1, 3, 4, and 5 in bulk.