Free online tools
Simple tools for
getting useful work done.
Fast, focused utilities and practical guides for common business, marketing, and developer tasks. No account needed.
Tools
Get the job done
Open a tool, enter what you need, and get a useful result in minutes.
CSS to SCSS Converter
Convert BEM-style CSS to readable SCSS while keeping cascade order in view.
MarketingHTML Email Signature Generator
Create a clean, responsive email signature and copy the HTML in seconds.
DeveloperSSL Certificate Checker
Plan and document SSL checks from one lightweight browser-based tool.
BusinessStripe Fee Calculator
Estimate Stripe processing fees, net revenue, and the amount to charge.
Guides
Learn the practical details
Clear, focused articles to help you use the tools and make better day-to-day decisions.
Why a CSS to SCSS converter should respect cascade order
What this converter does differently — and what it deliberately leaves out.
GuideWhat makes a professional email signature?
A practical checklist for a signature that stays readable everywhere.
GuideHow to calculate Stripe fees
Understand processing fees and how to price around them.