Guitar Capo Transposer – Online Fret Chord Change Chart
Select original key and capo position to see the resulting chord shapes. Keep playing in the original key without barre chords.
UD5 Toolkit
Tune your soprano, concert, tenor, or baritone ukulele with precise reference notes and microphone tuning.
Select original key and capo position to see the resulting chord shapes. Keep playing in the original key without barre chords.
Select component type and solder to see recommended iron temperature and tip shape. Avoid cold joints.
Convert network and data transfer speeds: bps, Kbps, Mbps, Gbps, KiB/s, MiB/s. A must when comparing internet plans. Fast and local.
Find the correct wire gauge for speaker cables based on length and speaker impedance to avoid signal loss. Quick audio reference. Local.
Calculate your Basal Metabolic Rate using the Mifflin‑St Jeor equation. Know how many calories you burn at rest. All data private.
Calculate the buying power of US dollars between any two years using official CPI data (updated annually). See how inflation erodes purchasing power. Local.
Play left‑only, right‑only, and frequency sweeps to test your speakers or headphones. Quick audio check.
Reference for standard blanket and afghan sizes in inches and cm. Perfect for knitters and crocheters.
Convert between common cooking units: cups → grams, teaspoons → ml, Fahrenheit → Celsius. Essential baking tool.
Use priming sugar calculator adapted for kombucha. Prevent bottle bombs. Enter volume and desired fizz.
Reference diagrams for USB‑A, USB‑C, micro‑USB pinouts. See wire colors and signal descriptions. Hardware hacking helper.
Calculate the salt percentage by weight for your vegetable ferments. Avoid mushy or unsafe ferments. Supports both dry salting and brine methods.
Paste a recipe ingredient list and double, triple, or scale to any serving size. Rounds fractions intelligently. Save your scaled recipes locally.
Send HEAD requests to popular websites and measure the round‑trip time. Quick network health check. Client‑side.
Calculate with binary numbers: addition, subtraction, multiplication, and division. Also bitwise AND, OR, XOR. Programmer's tool, fully client-side.
Log your coin collection with year, mint, and grade. Filter and sort. Data stored in localStorage. For numismatists.
Convert minutes to decimal hours and vice versa. Essential for billing and payroll. Instant conversion with a handy chart.
Convert a stereo audio file to mono. Also swap or extract left/right channels. Quick podcast preparation. Browser-based.
Enter a URL and click to check if it's reachable from your browser (CORS-limited, uses no-cors fetch). Quick manual test. Local only.
Add or subtract days, weeks, and months to find a future or past date. Also compute duration between two dates. Essential for project planning.
Enter two date‑time values and get the exact years, months, days, hours, minutes difference. Word output also.
Create a personal countdown to any future date (birthday, vacation, launch). Shows days, hours, minutes, seconds. Locally stored.
Set media metadata and play/pause controls for the OS media widget. Test action handlers. Perfect for web audio apps.
Find the correct spot to drill for a heel strap button. Interactive visual guide with measurements.
Listen to two notes and identify the interval. Purely local Web Audio synthesis. Sharpen your relative pitch.
Select tuning, scale length, and string gauge to calculate total tension on the neck. Build custom string sets.
Select a key and build chord progressions (I-IV-V, etc.). Hear them played with simple piano sounds. Great for songwriting inspiration. Local audio synthesis.
Tune your guitar using the browser microphone. Detects pitch and shows deviation from standard tuning. No installation, pure client-side audio processing.
Play a metronome with adjustable BPM, time signature, and subdivisions (eighth, triplet, sixteenth). Tap tempo and visual flash. Works offline for practice.
Play a selection of local lo‑fi tracks (embedded). Simple UI with play/pause. No copyright issues. Stay focused.