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202 tools
Use this odd parity bit calculator to generate an encoded message or detect an error in the message you received.
Even or odd? Omni's parity calculator will give you the answer to this seemingly trivial question!
Use this pixel aspect ratio calculator to resize pixels to adapt them according to different aspect ratios.
Our screen ratio calculator allows you to quickly resize your files to fit in a designated area.
This video frame size calculator finds the data size of a video frame based on the resolution and color depth.
The BPM calculator converts between beats per minute and beat duration. It also determines notes duration.
The chord calculator determines what notes make up a given chord.
The chord finder will determine what chord you're hearing/playing based on what notes you detect in the chord.
The chord inversion calculator will help you determine the notes in any chord and the order in which they appear.
The chord transposer can move your chords from one key to another or move them up or down by intervals.
Discover the fundamentals of music with our harmonic series calculator.
Use the key signature calculator to identify a key and the number of sharps and flats in a piece of music.
The music scale calculator determines the semitone pattern, the numeric formula, and the notes of over 60 scales.
The music transposition calculator helps you transpose music to a different key.
Choose the name of a musical note and the note frequency calculator will output its frequency.