Signal Tools and Customizations

Tools and customizations for the MIDI editor web app Signal.

Tools

Remove Duplicate Notes
If you accidentally get duplicate notes in Signal, you can copy the notes to the clipboard and use this tool to remove the duplicates.

Patches

There used to be some patches here that you could apply to Signal using the browser console or a JavaScript bookmark. But as Signal has been updated the patches that were here are no longer relevant any more.

Change history

• 2024-05-10: Posted
• 2024-05-12: Removed "Round fractional ticks on save" because it is now part of Signal.
• 2024-05-15:
  • Removed "Start measure ruler with 1" because it is now part of Signal.
  • Added "Record constant velocity".
• 2024-05-29: Removed "Use highest 16 bits of 24-bit soundfont" because Signal now works with 24-bit soundfonts.
• 2024-06-04: Updated the "Record constant velocity" patch with a more detailed find and replace.
• 2024-06-15: Updated the "Use OS clipboard (have to paste twice)" patch with a more detailed find and replace.
• 2025-02-02:
  • Removed "Record constant velocity" because Signal now has a way to change the velocity of multiple selected notes at once.
  • Added "Expand allowable tempo range".
• 2025-05-17: Removed "Use OS clipboard" because Signal now uses the OS clipboard.
• 2026-02-24: Removed "Expand allowable tempo range" because Signal no longer limits the numeric tempo range you can enter. Since that was the last patch left, there are now no patches on this page.