Question 1

How to test regex patterns online?

Accepted Answer

Our Regex Tester lets you write patterns and test them against sample text in real-time. It highlights all matches, shows capture groups, and explains what each part of your regex does. Supports JavaScript regex syntax with flags like global (g), case-insensitive (i), and multiline (m).

Question 2

How to generate a crontab expression?

Accepted Answer

Use our Crontab Generator to build cron expressions visually. Select minute, hour, day, month, and weekday values, and it generates the cron syntax with a human-readable description. It also shows the next scheduled run times so you can verify your schedule.

Question 3

How do I convert text to camelCase or snake_case?

Accepted Answer

Our Text Case Converter supports 10+ case formats: lowercase, UPPERCASE, Title Case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, and more. Paste your text, select the target format, and copy the result. Great for converting variable names between coding conventions.

Question 4

How to convert hex color to RGB?

Accepted Answer

Enter any color in our Color Format Converter — hex (#FF5733), RGB (rgb(255,87,51)), HSL, or even CSS color names. It instantly shows the color in all formats with a visual preview. Perfect for converting between color formats in CSS.

Question 5

How to convert Unix timestamp to date?

Accepted Answer

Our Date/Time Converter handles Unix timestamps (seconds or milliseconds), ISO 8601 dates, and human-readable formats. Enter any date format, and it shows equivalents in all other formats plus timezone conversions. Essential for debugging timestamps in logs and APIs.

Text Utilities

Available Tools

Regex Tester

Crontab Generator

Text Case Converter

Color Converter

Date/Time Converter

Text Statistics

Markdown to Word

cURL Builder

Zlib Compress

Frequently Asked Questions

Security & Encryption

ID Generators

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