Felo

Piano to Virtual Piano Translator Online

Convert written piano notes like c1, e4, or c4s into Virtual Piano keyboard characters you can type on a browser keyboard. It uses the full c1–c6 mapping including sharps, also converts keyboard characters back to note names, and reports any token it cannot map. Try it online.

What is Piano to Virtual Piano Translator Online?

Piano to Virtual Piano Translator Online turns written piano notes into the keyboard characters used by browser Virtual Piano keyboards. You type a sequence such as c1, e4, c4s, and the agent returns the matching key characters in the same order, ready to copy and play. It covers the full range from c1 up to c6, including every sharp, and it can also run the other way: paste keyboard characters and get note names back.

Key Features

Complete c1–c6 mapping. Every natural and sharp note from c1 through c6 maps to its Virtual Piano key character, from 1 and ! up to m.
Reverse conversion. Paste a string of Virtual Piano keyboard characters and get the corresponding note names, so you can read an existing key sequence as music notes.
Flexible separators. Commas are the documented format, but spaces and newlines are also accepted, so pasted note lists usually work without cleanup.
Per-token diagnostics. Any token outside the supported range, such as d7 or h3, is listed with a reason instead of being silently dropped.
Preservation check. The agent reports how many note tokens went in and how many key characters came out, so you can spot a mismatch immediately.

How to Use

Write or paste your note sequence in the chat, for example c1, d1, e1, f1, g1. Use a lowercase letter plus an octave digit, and add s for a sharp (c4s).
Say which direction you want. If you just paste notes, the agent assumes notes-to-keys. For the reverse, say "reverse" or paste keyboard characters and ask for note names.
Copy the code block the agent returns. That string is what you type on the Virtual Piano keyboard.

Example Use Cases

Turning a written melody into playable keys. You have a beginner melody written as c4, d4, e4, g4 and need the Virtual Piano key string to play it in a browser.
Reading a Virtual Piano key sequence as notes. You found a key string like asdf and want to know which piano notes it represents, so you can write it on a staff or share it with a pianist.
Checking a long note list before playing. You pasted a 40-note sequence and want confirmation that every token mapped and nothing was dropped.
Transposing a phrase. Ask the agent to shift a phrase up or down an octave before converting, then copy the new key string.

Tips for Best Results

Keep the octave digit attached to the note letter: c4, not c 4.
Use s for sharps (f4s) or a capital letter (F4); both are accepted, and the agent will tell you which reading it used.
If a token fails, check the octave first. The supported range is c1 through c6 only.

FAQ

What input format does it accept?
Note tokens made of a letter a–g, an octave digit 1–6, and an optional s for sharp, separated by commas, spaces, or newlines. Capital letters are read as sharps.

How accurate is the conversion?
The mapping is fixed and deterministic, so the same input always produces the same output. Accuracy depends on your note spelling; the agent flags anything it cannot map rather than guessing.

How is this different from some free text tools?
Some free text tools present a two-box web form and require commas between every note. This agent returns copyable text in chat, accepts several separator styles, supports the reverse direction, and lists unmapped tokens with reasons.

Can it play the notes or produce audio?
No. It produces text characters only. You play them on your own Virtual Piano keyboard.

Does it work for notes above c6?
No. The mapping stops at c6, matching the source range. Tokens above that are reported as out of range.