FreeToolbox.dev

Generate unique identifiers (GUIDs/UUIDs) instantly. Multiple formats supported including standard, compact, and custom variants.

Format, validate, and beautify JSON data. Includes syntax highlighting, error detection, and minification options.

Convert text and files to/from Base64 encoding. Essential for data transmission and storage.

Encode and decode URLs and query parameters. Handle special characters in web addresses safely.

Escape and unescape HTML entities. Safe handling of special characters in HTML content.

Transform CSV data to JSON format. Perfect for data migration and API integration tasks.

Convert XML to JSON and vice versa. Seamless data format transformation for APIs and data processing.

Convert between YAML and JSON formats. Essential for configuration files and data serialization.

Generate MD5, SHA1, SHA256, SHA512 hashes from text or files. Verify data integrity and checksums.

Create secure passwords with custom rules. Control length, character sets, and complexity requirements.

Decode and validate JSON Web Tokens. Inspect JWT headers, payloads, and verify signatures.

Generate QR codes for text, URLs, contact info, and more. Customizable size and error correction.

Format and beautify SQL queries. Make complex database queries readable and well-structured.

Minify or format CSS code. Optimize stylesheets for production or make them readable for development.

Minify or format JavaScript code. Optimize scripts for production or improve readability.

Test regular expressions with real-time matching. Debug and validate regex patterns with sample text.

Generate beautiful color schemes for your projects. Export colors in HEX, RGB, HSL formats.

Generate placeholder text for your designs and layouts. Classic Lorem Ipsum and modern alternatives.

Convert between Unix timestamps and human-readable dates. Essential for API development and debugging.

Get detailed information about IP addresses including location, ISP, and network details.

Parse and analyze user agent strings. Identify browsers, operating systems, and device information.

Quick reference for HTTP status codes. Understand response codes and their meanings.

Build cron job expressions visually. Schedule tasks with an intuitive interface and validation.