130 free web tools available now!
Most tools are designed securely and do not transmit data.
Convert the case of text
Convert strings with MD5/SHA1/SHA256 and other algorithms to generate hash values all at once
Encode data into a JSON string, and decode a JSON string back into data
Check the syntax of PHP code
Compress and minify JavaScript and CSS source code
Format JavaScript and CSS source code
Check the syntax of MySQL queries
Format SQL statements for better readability
Format XML strings
Validate whether XML is valid against an XML schema (XSD)
Create an XML schema definition (XSD) from XML
Format HTML code in your preferred style
Check and validate PHP, JavaScript, and Python regular expressions
Check HTML for syntax errors or formatting errors
Format and validate JSON for readability
Generate and verify cron expressions