Health & Fitness Calculators
Essential health and fitness metrics: Body Mass Index (BMI), Total Daily Energy Expenditure (TDEE), daily hydration, and sleep cycle timers.
BMI (Body Mass Index) Calculator
Calculate Body Mass Index (BMI) using metric (kg/cm) or imperial (lbs/inches) units with WHO health weight ranges.
TDEE & Calorie Burn Calculator
Calculate Total Daily Energy Expenditure (TDEE) and Basal Metabolic Rate (BMR) with Mifflin-St Jeor equation.
Daily Water Intake Calculator
Calculate optimal daily water consumption in liters and ounces based on body weight, climate, and exercise.
Sleep Cycle & Wake-Up Calculator
Calculate optimal bedtimes and wake-up times based on 90-minute REM sleep cycles to avoid grogginess.
JSON Obfuscator & Compressor
Minify payloads and encode keys or unicode string escapes with dictionary mapping.
ESBuild & JS Decompiler
Unpack bundled IIFEs, expand minified comma-statements, and restore clean ES6 formatting.
Universal Media Downloader
Save video streams from YouTube, Twitter/X, TikTok, and Instagram with zero quality loss.
Bulk Image ToolBulk Image Resizer
Scale, resize, and compress entire folders of PNG and JPEG images client-side.