Free Online Developer Tools

Convert text between different cases: uppercase, lowercase, title case, camel case, and more

Reverse text, words, or lines with various options and formatting

Convert text to URL-friendly slugs for web development and SEO

Find and replace text with support for regex patterns and bulk operations

Count words, characters, paragraphs, and reading time for any text

Split text into parts using custom delimiters, lines, words, or characters

Format text with options for indentation, line breaks, and more

Encode and decode Base64 strings with support for files and images

Encode and decode HTML entities for safe web content display

Encode and decode URLs for proper web transmission and display

Format, validate, and beautify JSON data with syntax highlighting

Convert HTML content to Markdown format with support for all common HTML elements

Parse and convert .env files and Java properties files between JSON, YAML, and key-value formats

Format, minify, and validate CSS code with syntax highlighting

Format, validate, and convert CSV data with custom delimiters and options

Test and debug regular expressions with real-time matching and explanations

Compare two texts and highlight differences line by line

Convert numbers between different bases: binary, decimal, hexadecimal, octal, and more

Convert dates and times between different timezones with ease

Create and validate cron expressions with our free visual builder. Generate cron schedules for automated tasks, jobs, and system administration with real-time validation.

Generate ready-to-use API request code snippets in 10+ programming languages. Includes authentication, error handling, and TypeScript support. Free online tool for developers.

Generate QR codes for URLs, text, WiFi, and more with customization options

Convert colors between HEX, RGB, HSL, and other color formats

Generate secure, random passwords with customizable length and character sets

Generate and verify secure bcrypt hashes for password protection

Generate realistic mock JSON data from schemas instantly. Perfect for API testing, development, and prototyping with customizable fake data generation.

Generate placeholder text for design and development projects