FreeToolbox.dev

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

Test JSONPath expressions against JSON data. Extract and filter data with powerful path queries.

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

Validate CSV file structure and data integrity. Check for formatting errors, missing fields, and data consistency.

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.

Count characters, words, lines, and paragraphs in real-time. Perfect for social media posts, forms, and content limits.

Convert text between different cases: camelCase, snake_case, kebab-case, UPPER CASE, lower case, and more.

Compare two text blocks and highlight differences line by line. Perfect for code reviews and document comparison.

Convert text to ASCII art with multiple font styles. Create decorative text for banners and comments.

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

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

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.

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

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.

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

Convert images to Base64 encoded strings. Perfect for embedding images in CSS, HTML, or JSON.

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.

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

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

Generate favicons from images in multiple sizes and formats. Create .ico files and web-ready icons.

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

Look up DNS records including A, AAAA, MX, CNAME, and TXT records. Debug DNS configuration and domain settings.

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.

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

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.