UD5 Toolkit
Piano Chord Dictionary – Click a Root & Type to See Notes
Select a root note and chord type (major, minor, dim, aug, 7th, etc.) to see the keys highlighted on a piano. Inversions and fingering suggestions included.
Tag: Dictionary - Thesaurus & Definitions
9+ toolsUnit Abbreviation Dictionary - Online Look Up kVA, BTU, etc.
Search a comprehensive list of physical unit abbreviations (kVA, BTU, scfm, etc.) and their full name. Quick reference. Local data.
Internet Slang & Acronym Dictionary - Online Quick Lookup
Search a curated dictionary of modern internet acronyms (IMO, TBH, IYKYK) and slang. Simple offline-capable reference. No tracking.
Word Origin Dictionary - Online Quick Etymology Lookup
Enter an English word to get a quick etymology. From a curated list of common roots. Learn language history.
Weak Password Dictionary Check - Online Top 10k List
Compare your password against a built‑in list of the 10,000 most common passwords. Instant warning if it appears.
Rhyme Finder - Online Dictionary of Rhyming Words
Enter a word and get a list of perfect and near rhymes. Categorized by syllable count. Useful for songwriting and poems. Static data, local.
Etymology Quick Lookup - Online Word Origin Reference
Enter an English word to get a brief etymology (Latin, Greek, etc.) and root meaning. From curated static data.
Emoji Slang Dictionary - Online Interpret Hidden Meanings
Look up what certain emojis really mean in texting (e.g., 🍆, 💀). Fun and educational for parents and newbies.
Color Name Finder - Online Hex to Name Dictionary
Find the official name of any hex color from the extended color dictionary. Search by name to get the hex code. Handy for CSS and design language.