All Tools

Find how many calories to eat each day to lose, maintain, or gain weight. Get your TDEE, BMR, goal targets, and a macro breakdown from your body and activity level.

Estimate your body fat percentage using Navy, BMI-based, or RFM methods. See your health category, fat mass, lean mass, and FFMI.

Calculate your ideal body weight using four medical formulas — Devine, Robinson, Miller, and Hamwi — and see your recommended weight range instantly.

Calculate your daily protein, carbs, and fat needs from your body stats, activity level, and fitness goal. Supports Standard, High Protein, Low Carb, and Keto diet plans.

Scan and decode barcodes online from an image or your camera. Reads EAN-13, UPC-A, Code 128, QR codes and many more formats instantly.

Test your game controller online. Check buttons, analog sticks, triggers, D-pad, and vibration, and detect stick drift on Xbox, PlayStation, and Switch Pro pads.

Create QR codes for URLs, WiFi, contacts, email, SMS, locations, events, and crypto. Customize colors, dots, and logo, then download as PNG, SVG, or JPG.

Scan and decode QR codes from an image or your camera. Detects URLs, WiFi logins, contacts, and more — all in your browser.

Generate hundreds of QR codes at once from a text list or CSV file. Customize colors, size, and error correction, then download them all as a ZIP.

Generate barcodes in Code 128, EAN-13, UPC-A, Code 39, and more. Customize colors, size, and text, then download as PNG or SVG.

Design and print barcode labels with product name, SKU, price, and a customizable layout for retail and inventory use.

Find the closest named color for any HEX or RGB value. Match against standard CSS colors or an extended set of descriptive names with a score.