MegaCoolTools is a collection of free, useful web utilities that run directly in your browser. No logins, no entering emails, and no paywalls—just open the tool and start working.
An app to help you draw precisely and measure proportions, distances, and angles directly on your sketches, reference photos, or drawings. Ideal for artists, illustrators, and designers calibrating scale and checking reference proportions.
Make cool polaroid images, photo booth strips, and collages. Crop your photos, frame them with custom borders, and edit them with retro Instagram-style filters in seconds right in your browser.
Quickly figure out your daily energy expenditure (TDEE) and calculate exact protein, carbohydrate, and fat targets to match your fitness, training, or nutrition goals.
Quickly see how your website looks across multiple screens, devices, default OS zoom settings, and custom scaling side by side.