C Diatonic Harmonica Tab Converter Online

What is C Diatonic Harmonica Tab Converter Online?

This is a text tool that turns letter note names into harmonica tabs for a standard C diatonic harmonica, and turns tabs back into note names. You paste a melody written as letters — for example C D E F G — and get back the hole numbers and breath directions you actually play, such as 4 -4 5 -5 6. If you already have tabs, paste those and get the note names instead.

The tool follows the same fixed mapping used by common free note-to-tab converters: 31 note tokens covering three octaves of the C major scale, with a lowercase v marking the octave below middle C and carets marking the octaves above. Apostrophes after a tab number show how many half-step bends a note needs. Unlike a plain two-box converter, this one also tells you, note by note, which hole to use, whether to blow or draw, and how many bends are required.

Key Features

• Two-way conversion. Notes to tabs and tabs to notes in the same conversation. Ask for either direction at any time.
• Exact octave handling. The v prefix marks the lower octave, ^ marks the octave above middle C, and ^^ marks the highest C, matching the standard C diatonic layout.
• Bend notation preserved. Tabs like -2'', -3''' and -10 keep their apostrophes, and the tool explains that each apostrophe is one half-step bend.
• Per-note breakdown. Alongside the raw tab line you get a short table: note, hole, blow or draw, bend count.
• Unsupported notes flagged, not dropped. If you include an accidental the C diatonic mapping does not cover, such as C# or F#, it is reported back to you rather than silently deleted.

How to Use

1. Type or paste your letter notes into the chat, separated by spaces or newlines, for example: vG vA vB C D E. Add v or ^ prefixes where the octave matters.
2. Say what you want. "Convert to tabs" is enough; if you paste tabs instead, say "convert to notes" or just paste them and the tool will ask which direction only if it is genuinely unclear.
3. Read the tab line first, then the per-note table. Copy the tab line into your practice notes. If a note was flagged as unsupported, adjust the melody or accept that the C diatonic cannot play it in that position.

Example Use Cases

• Turning a simple melody into playable tabs. You have "C D E G G A G" from a beginner songbook and want C diatonic harmonica tabs you can play immediately.
• Checking a tab you found online. Paste -4 5 -5 6 -6 and ask what notes those are, so you can confirm the tab matches the melody you hear.
• Working out the bends in a low phrase. Convert vB C Db and see which notes need one, two or three apostrophes, and which hole and breath direction each uses.

Tips for Best Results

• Separate notes with spaces. If a run of letters clumps together, the tool will try to split it, but spacing is always safer.
• Keep lyrics out of the input. Words mixed with note letters confuse any letter-based converter, including this one.
• Remember the mapping is for a C diatonic harmonica. On a harmonica in another key the same tabs will sound in that key, not in C.

FAQ

What input format does it accept?
Letter note names such as C, D, E, F, G, A, B plus the flat spellings in the mapping (Db, Eb, Gb, Ab, Bb), optionally prefixed with v or ^. Tabs are numbers 1–10 with an optional minus sign for draw and apostrophes for bends. Notes should be separated by spaces or newlines.

How accurate is the conversion?
The note-to-tab direction is a fixed lookup, so it is exact for every token in the 31-entry mapping. The reverse direction is exact except where two notes share a tab value (10, 8 and 9 each appear twice); in those cases the tool returns the lower-octave note and tells you the alternative. Notes outside the mapping are reported, not guessed.

How is this different from some free text tools?
Some free converters give you only the tab line and leave unclear cases silent. This one also explains each note's hole, breath direction and bend count, states which direction it used, and lists any tokens it could not convert. It does not add audio playback, other harmonica keys or key transposition.

Can it handle sharps like C# or F#?
Those are not in the C diatonic mapping used here. They will be listed as unsupported so you can decide what to do, rather than being quietly removed.