TSM Tools is a collection of 93+ free browser-based tools for developers, SEO professionals and everyday web tasks. It includes JSON Formatter, JWT Decoder, .htaccess Generator, Excel to JSON/CSV Converter, Image Compressor & Resizer, SERP Preview, Security Scanner, EMI Calculator, QR Code Generator and more. No signup required. Most tools process data directly in your browser for better privacy. Built with vanilla HTML, CSS & JavaScript.