Tools & calculators for Ham Radio
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17 Useful Tools for Musicians!
Fahrenheit, Celcius, Kelvin, etc.
Supports international shoe sizes
Paste an encrpyted code, learn which cipher it uses, and decrypt it.
Create designs, edit photos, add text, shapes, filters & effects.
Play Blackjack (21) against the house.
Plot mathematical functions, explore graphs interactively, and perform analysis.
Send encrypted messages to your friends
Research Nobel laureates
Add, view, edit, and strip EXIF & PNG metadata from your photos.
Encode and decode Base64 strings and files. Your data never leaves your device.
Track symptoms, identify triggers, manage medications, and understand your IBD patterns.
19 photography tools & calculators
Creates a batch of icons from an image
Free Body Mass Index Calculator.
Test/Create Regex
Internet Start Page (home screen).
Spell words to get points.
Record and edit audio files
Learn about different countries!
Research a website by domain name
Read Text in Images.
QR codes for URL's, Text, Wifi & vCards
Calculate tips; single payer or groups
XML, JSON, TOML, YAML, CSV, TSV, INI,
Create graphs and Charts
Capture, organize, transform, and manage your clipboard history.
An analog-style chess time clock for timing players.
Calculate your pet's calorie needs (RER/MER). For dogs, cats, rabbits & birds.