Freewww

Regex Learning & Testing Tool combines hands-on testing with a built-in learning guide. Enter a pattern and sample text to see highlighted matches, capture groups, and match counts. Try common examples, explore regex syntax, test replacements, and save useful patterns in your browser for later. It helps you learn and debug regular expressions in one place, free without signup.

Exercise Finder helps you discover movements that fit your goals and available equipment. Search by muscle group, difficulty, exercise type, or name; use quick filters for beginner friendly and no equipment options. Save favorites, build a custom workout, generate a random routine, and export results. Free to use in your browser without signup.

Ingredient Substitution Finder helps you keep cooking when an ingredient is missing. Browse alternatives, check swap ratios and practical notes, then enter your original amount and unit to calculate how much you need. Filter by category, sort results, save favorites, and print useful swaps. It works in your browser without signup.