Developer & SEO Tools
11 free tools to help you get the job done
JSON Validator & Formatter
Instantly validate, beautify, and format your JSON data. Runs entirely in your browser.
Use ToolJWT Decoder
Decode JSON Web Tokens instantly to view their header and payload claims.
Use ToolCron Expression Generator
Generate and validate cron schedule expressions with a simple UI.
Use ToolUUID / GUID Generator
Generate up to 100 unique random Version 4 UUIDs instantly.
Use ToolDiff Checker (Text Compare)
Compare two texts or code snippets to find the differences instantly.
Use ToolXML to JSON Converter
Easily convert XML code into valid JSON data.
Use ToolSQL Formatter
Format and beautify raw SQL queries for better readability.
Use ToolHash Generator (MD5, SHA)
Generate cryptographic hashes like MD5, SHA-1, SHA-256 instantly.
Use ToolColor Contrast Checker
Check if your colors meet WCAG accessibility standards.
Use ToolTimestamp Converter
Convert Unix timestamps to human-readable dates and vice versa.
Use ToolMeta Tag Generator
Generate optimized HTML meta tags for your website including title, description, Open Graph, and Twitter card tags to improve SEO and social sharing.
Use Tool