ToolRef

ToolRef.com is a growing collection of completely free, browser-based tools designed for a wide range of use cases. It offers developer utilities like an Epoch Time converter, JSON formatter & validator, HTML beautifier, and URL encoder/decoder. For SEO professionals, it includes tools such as a meta tag generator, robots.txt generator, OG tag builder, and SERP snippet previewer. ToolRef also provides general-purpose tools like mortgage, 401K, and loan calculators, as well as investment-focused tools including compound interest and SIP return calculators. All tools are 100% free to use, require no login, and run entirely on the client side—ensuring speed, simplicity, and complete user privacy.