Astronomy
Calculate golden hour times - the best time for photography with soft, warm light
golden-hourUtilities
Convert Gregorian calendar dates to Islamic (Hijri) calendar dates
gregorian-to-islamicHealth
Calculate golf handicap index based on scores and course ratings
golf-handicapValidation
Validate phone numbers from multiple countries including China, US, and more with detailed formatting and carrier info
global-phone-validatorValidation
Validate postal codes from multiple countries including US ZIP, UK Postcode, Canada, and more
global-postal-code-validatorData Visualization
Generate grouped bar charts for comparing multiple categories side by side, perfect for multi-category comparisons and comparative analysis
grouped-bar-chartHealth
Professional guided meditation tool with three types: Loving-Kindness, Open Monitoring, and Focused Attention meditation. Features background music and complete multi-language support.
guided-meditationMedia
Reduce the number of colors in GIF images while maintaining visual quality and animation
gif-to-colors-reduced-gifMedia
Adjust the frame delay timing of animated GIF images to control playback speed and timing
gif-to-delay-adjusted-gifMedia
Extract individual frames from GIF images with customizable output format and naming options
gif-to-framesMedia
Adjust the loop count of animated GIF images to control how many times the animation repeats
gif-to-loop-adjusted-gifMedia
Convert GIF images to MP4 video format with customizable quality and resolution settings
gif-to-mp4