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MidiEditor Custom

MidiEditor Custom is not just an unofficial version of Marcus Schwenk’s MidiEditor.

Some time ago, enhancements were added such as support for the FluidSynth library, VST plugin support, drum machine, sequencer, and many other details that go a bit beyond the original, yet the essence of the program remains.

This Custom 12 LE version has been adapted to be compiled with the Qt 6.9.0 development environment and the MSYS2 compilers and tools under Windows 10

Instructions on how to compile (in English and Spanish) everything

MidiEditor

Build Status

Downloads : last release

Building Dependencies

  • Qt >= 5.7
  • Linux :
    • asound sudo apt-get install libasound2-dev

Introduction

MidiEditor is a free software providing an interface to edit, record, and play Midi data.

The editor is able to open existing Midi files and modify their content. New files can be created and the user can enter his own composition by either recording Midi data from a connected Midi device (e.g., a digital piano or a keyboard) or by manually creating new notes and other Midi events. The recorded data can be easily quantified and edited afterwards using MidiEditor.

image

Features

  • Easily edits, records and plays Midi files
  • can be connected to any Midi port (e.g., a digital piano or a synthesizer)
  • Tracks, channels and Midi events can be edited
  • Event quantization
  • Control changes can be visualized
  • Automatic Updates
  • Free
  • Available for Windows and Linux

Note

MidiEditor was developed by Markus Schwenk. It is entirely written in C++ (Qt) and is available for the platforms Linux and Windows. Should MidiEditor be a software which is helpful for you and which you use often, please let the developer and other users know by providing feedback. Moreover, the developer worked on MidiEditor in his (rare) sparetime and offers it for free. So, when you feel like it, pay him a coffee (or two). Please also feel free to contact the developer in case you have any ideas which could help to improve the editor or in the case you found any bugs you want the developer to fix.

Suggestion, Improvements, Bugreports...

Please feel free to contact the developer if you have any suggestions! Please also reach out to the developer if you found a bug.

Project Page

https://midieditor.org

Manual

https://midieditor.org/index.php?category=manual

About

Provides an interface to edit, record, and play Midi data

Resources

Readme
GPL-3.0 license
Activity

Stars

16 stars

Watchers

2 watching

Forks

0 forks
Report repository

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
BranchesTags
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MidiEditor Custom
MidiEditor Custom is not just an unofficial version of Marcus Schwenk’s MidiEditor.
Some time ago, enhancements were added such as support for the FluidSynth library,
VST plugin support, drum machine, sequencer, and many other details that go a bit beyond the
original, yet the essence of the program remains.
This Custom 12 LE version has been adapted to be compiled with the Qt 6.9.0 development environment and the MSYS2 compilers and tools under Windows 10
Instructions on how to compile (in English and Spanish) everything
MidiEditor
Build Status
Downloads : last release
Building Dependencies
  • Qt >= 5.7
  • Linux :

    • asound sudo apt-get install libasound2-dev
Introduction
MidiEditor is a free software providing an interface to edit, record, and play Midi data.
The editor is able to open existing Midi files and modify their content. New files can be created and the user can enter his own composition by either recording Midi data from a connected Midi device (e.g., a digital piano or a keyboard) or by manually creating new notes and other Midi events. The recorded data can be easily quantified and edited afterwards using MidiEditor.
image
Features
  • Easily edits, records and plays Midi files
  • can be connected to any Midi port (e.g., a digital piano or a synthesizer)
  • Tracks, channels and Midi events can be edited
  • Event quantization
  • Control changes can be visualized
  • Automatic Updates
  • Free
  • Available for Windows and Linux
Note
MidiEditor was developed by Markus Schwenk. It is entirely written in C++ (Qt) and is available for the platforms Linux and Windows. Should MidiEditor be a software which is helpful for you and which you use often, please let the developer and other users know by providing feedback. Moreover, the developer worked on MidiEditor in his (rare) sparetime and offers it for free. So, when you feel like it, pay him a coffee (or two). Please also feel free to contact the developer in case you have any ideas which could help to improve the editor or in the case you found any bugs you want the developer to	fix.
Suggestion, Improvements, Bugreports...
Please feel free to contact the developer if you have any suggestions! Please also reach out to the developer if you found a bug.
Project Page
https://midieditor.org
Manual
https://midieditor.org/index.php?category=manual
About
Provides an interface to edit, record, and play Midi data
Resources
Readme
GPL-3.0 license
Activity
Stars
16 stars
Watchers
2 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
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MidiEditor Custom
MidiEditor Custom is not just an unofficial version of Marcus Schwenk’s MidiEditor.
Some time ago, enhancements were added such as support for the FluidSynth library,
VST plugin support, drum machine, sequencer, and many other details that go a bit beyond the
original, yet the essence of the program remains.
This Custom 12 LE version has been adapted to be compiled with the Qt 6.9.0 development environment and the MSYS2 compilers and tools under Windows 10
Instructions on how to compile (in English and Spanish) everything
MidiEditor
Build Status
Downloads : last release
Building Dependencies
  • Qt >= 5.7
  • Linux :

    • asound sudo apt-get install libasound2-dev
Introduction
MidiEditor is a free software providing an interface to edit, record, and play Midi data.
The editor is able to open existing Midi files and modify their content. New files can be created and the user can enter his own composition by either recording Midi data from a connected Midi device (e.g., a digital piano or a keyboard) or by manually creating new notes and other Midi events. The recorded data can be easily quantified and edited afterwards using MidiEditor.
image
Features
  • Easily edits, records and plays Midi files
  • can be connected to any Midi port (e.g., a digital piano or a synthesizer)
  • Tracks, channels and Midi events can be edited
  • Event quantization
  • Control changes can be visualized
  • Automatic Updates
  • Free
  • Available for Windows and Linux
Note
MidiEditor was developed by Markus Schwenk. It is entirely written in C++ (Qt) and is available for the platforms Linux and Windows. Should MidiEditor be a software which is helpful for you and which you use often, please let the developer and other users know by providing feedback. Moreover, the developer worked on MidiEditor in his (rare) sparetime and offers it for free. So, when you feel like it, pay him a coffee (or two). Please also feel free to contact the developer in case you have any ideas which could help to improve the editor or in the case you found any bugs you want the developer to	fix.
Suggestion, Improvements, Bugreports...
Please feel free to contact the developer if you have any suggestions! Please also reach out to the developer if you found a bug.
Project Page
https://midieditor.org
Manual
https://midieditor.org/index.php?category=manual
About
Provides an interface to edit, record, and play Midi data
Resources
Readme
GPL-3.0 license
Activity
Stars
16 stars
Watchers
2 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
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MidiEditor Custom
MidiEditor Custom is not just an unofficial version of Marcus Schwenk’s MidiEditor.
Some time ago, enhancements were added such as support for the FluidSynth library,
VST plugin support, drum machine, sequencer, and many other details that go a bit beyond the
original, yet the essence of the program remains.
This Custom 12 LE version has been adapted to be compiled with the Qt 6.9.0 development environment and the MSYS2 compilers and tools under Windows 10
Instructions on how to compile (in English and Spanish) everything
MidiEditor
Build Status
Downloads : last release
Building Dependencies
  • Qt >= 5.7
  • Linux :

    • asound sudo apt-get install libasound2-dev
Introduction
MidiEditor is a free software providing an interface to edit, record, and play Midi data.
The editor is able to open existing Midi files and modify their content. New files can be created and the user can enter his own composition by either recording Midi data from a connected Midi device (e.g., a digital piano or a keyboard) or by manually creating new notes and other Midi events. The recorded data can be easily quantified and edited afterwards using MidiEditor.
image
Features
  • Easily edits, records and plays Midi files
  • can be connected to any Midi port (e.g., a digital piano or a synthesizer)
  • Tracks, channels and Midi events can be edited
  • Event quantization
  • Control changes can be visualized
  • Automatic Updates
  • Free
  • Available for Windows and Linux
Note
MidiEditor was developed by Markus Schwenk. It is entirely written in C++ (Qt) and is available for the platforms Linux and Windows. Should MidiEditor be a software which is helpful for you and which you use often, please let the developer and other users know by providing feedback. Moreover, the developer worked on MidiEditor in his (rare) sparetime and offers it for free. So, when you feel like it, pay him a coffee (or two). Please also feel free to contact the developer in case you have any ideas which could help to improve the editor or in the case you found any bugs you want the developer to	fix.
Suggestion, Improvements, Bugreports...
Please feel free to contact the developer if you have any suggestions! Please also reach out to the developer if you found a bug.
Project Page
https://midieditor.org
Manual
https://midieditor.org/index.php?category=manual
About
Provides an interface to edit, record, and play Midi data
Resources
Readme
GPL-3.0 license
Activity
Stars
16 stars
Watchers
2 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
MidiEditor Custom
MidiEditor Custom is not just an unofficial version of Marcus Schwenk’s MidiEditor.
Some time ago, enhancements were added such as support for the FluidSynth library,
VST plugin support, drum machine, sequencer, and many other details that go a bit beyond the
original, yet the essence of the program remains.
This Custom 12 LE version has been adapted to be compiled with the Qt 6.9.0 development environment and the MSYS2 compilers and tools under Windows 10
Instructions on how to compile (in English and Spanish) everything
MidiEditor
Build Status
Downloads : last release
Building Dependencies
  • Qt >= 5.7
  • Linux :

    • asound sudo apt-get install libasound2-dev
Introduction
MidiEditor is a free software providing an interface to edit, record, and play Midi data.
The editor is able to open existing Midi files and modify their content. New files can be created and the user can enter his own composition by either recording Midi data from a connected Midi device (e.g., a digital piano or a keyboard) or by manually creating new notes and other Midi events. The recorded data can be easily quantified and edited afterwards using MidiEditor.
image
Features
  • Easily edits, records and plays Midi files
  • can be connected to any Midi port (e.g., a digital piano or a synthesizer)
  • Tracks, channels and Midi events can be edited
  • Event quantization
  • Control changes can be visualized
  • Automatic Updates
  • Free
  • Available for Windows and Linux
Note
MidiEditor was developed by Markus Schwenk. It is entirely written in C++ (Qt) and is available for the platforms Linux and Windows. Should MidiEditor be a software which is helpful for you and which you use often, please let the developer and other users know by providing feedback. Moreover, the developer worked on MidiEditor in his (rare) sparetime and offers it for free. So, when you feel like it, pay him a coffee (or two). Please also feel free to contact the developer in case you have any ideas which could help to improve the editor or in the case you found any bugs you want the developer to	fix.
Suggestion, Improvements, Bugreports...
Please feel free to contact the developer if you have any suggestions! Please also reach out to the developer if you found a bug.
Project Page
https://midieditor.org
Manual
https://midieditor.org/index.php?category=manual
About
Provides an interface to edit, record, and play Midi data
Resources
Readme
GPL-3.0 license
Activity
Stars
16 stars
Watchers
2 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
MidiEditor Custom
MidiEditor Custom is not just an unofficial version of Marcus Schwenk’s MidiEditor.
Some time ago, enhancements were added such as support for the FluidSynth library,
VST plugin support, drum machine, sequencer, and many other details that go a bit beyond the
original, yet the essence of the program remains.
This Custom 12 LE version has been adapted to be compiled with the Qt 6.9.0 development environment and the MSYS2 compilers and tools under Windows 10
Instructions on how to compile (in English and Spanish) everything
MidiEditor
Build Status
Downloads : last release
Building Dependencies
  • Qt >= 5.7
  • Linux :

    • asound sudo apt-get install libasound2-dev
Introduction
MidiEditor is a free software providing an interface to edit, record, and play Midi data.
The editor is able to open existing Midi files and modify their content. New files can be created and the user can enter his own composition by either recording Midi data from a connected Midi device (e.g., a digital piano or a keyboard) or by manually creating new notes and other Midi events. The recorded data can be easily quantified and edited afterwards using MidiEditor.
image
Features
  • Easily edits, records and plays Midi files
  • can be connected to any Midi port (e.g., a digital piano or a synthesizer)
  • Tracks, channels and Midi events can be edited
  • Event quantization
  • Control changes can be visualized
  • Automatic Updates
  • Free
  • Available for Windows and Linux
Note
MidiEditor was developed by Markus Schwenk. It is entirely written in C++ (Qt) and is available for the platforms Linux and Windows. Should MidiEditor be a software which is helpful for you and which you use often, please let the developer and other users know by providing feedback. Moreover, the developer worked on MidiEditor in his (rare) sparetime and offers it for free. So, when you feel like it, pay him a coffee (or two). Please also feel free to contact the developer in case you have any ideas which could help to improve the editor or in the case you found any bugs you want the developer to	fix.
Suggestion, Improvements, Bugreports...
Please feel free to contact the developer if you have any suggestions! Please also reach out to the developer if you found a bug.
Project Page
https://midieditor.org
Manual
https://midieditor.org/index.php?category=manual
About
Provides an interface to edit, record, and play Midi data
Resources
Readme
GPL-3.0 license
Activity
Stars
16 stars
Watchers
2 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
MidiEditor Custom
MidiEditor Custom is not just an unofficial version of Marcus Schwenk’s MidiEditor.
Some time ago, enhancements were added such as support for the FluidSynth library,
VST plugin support, drum machine, sequencer, and many other details that go a bit beyond the
original, yet the essence of the program remains.
This Custom 12 LE version has been adapted to be compiled with the Qt 6.9.0 development environment and the MSYS2 compilers and tools under Windows 10
Instructions on how to compile (in English and Spanish) everything
MidiEditor
Build Status
Downloads : last release
Building Dependencies
  • Qt >= 5.7
  • Linux :

    • asound sudo apt-get install libasound2-dev
Introduction
MidiEditor is a free software providing an interface to edit, record, and play Midi data.
The editor is able to open existing Midi files and modify their content. New files can be created and the user can enter his own composition by either recording Midi data from a connected Midi device (e.g., a digital piano or a keyboard) or by manually creating new notes and other Midi events. The recorded data can be easily quantified and edited afterwards using MidiEditor.
image
Features
  • Easily edits, records and plays Midi files
  • can be connected to any Midi port (e.g., a digital piano or a synthesizer)
  • Tracks, channels and Midi events can be edited
  • Event quantization
  • Control changes can be visualized
  • Automatic Updates
  • Free
  • Available for Windows and Linux
Note
MidiEditor was developed by Markus Schwenk. It is entirely written in C++ (Qt) and is available for the platforms Linux and Windows. Should MidiEditor be a software which is helpful for you and which you use often, please let the developer and other users know by providing feedback. Moreover, the developer worked on MidiEditor in his (rare) sparetime and offers it for free. So, when you feel like it, pay him a coffee (or two). Please also feel free to contact the developer in case you have any ideas which could help to improve the editor or in the case you found any bugs you want the developer to	fix.
Suggestion, Improvements, Bugreports...
Please feel free to contact the developer if you have any suggestions! Please also reach out to the developer if you found a bug.
Project Page
https://midieditor.org
Manual
https://midieditor.org/index.php?category=manual
About
Provides an interface to edit, record, and play Midi data
Resources
Readme
GPL-3.0 license
Activity
Stars
16 stars
Watchers
2 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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MidiEditor Custom
MidiEditor Custom is not just an unofficial version of Marcus Schwenk’s MidiEditor.
Some time ago, enhancements were added such as support for the FluidSynth library,
VST plugin support, drum machine, sequencer, and many other details that go a bit beyond the
original, yet the essence of the program remains.
This Custom 12 LE version has been adapted to be compiled with the Qt 6.9.0 development environment and the MSYS2 compilers and tools under Windows 10
Instructions on how to compile (in English and Spanish) everything
MidiEditor
Build Status
Downloads : last release
Building Dependencies
  • Qt >= 5.7
  • Linux :

    • asound sudo apt-get install libasound2-dev
Introduction
MidiEditor is a free software providing an interface to edit, record, and play Midi data.
The editor is able to open existing Midi files and modify their content. New files can be created and the user can enter his own composition by either recording Midi data from a connected Midi device (e.g., a digital piano or a keyboard) or by manually creating new notes and other Midi events. The recorded data can be easily quantified and edited afterwards using MidiEditor.
image
Features
  • Easily edits, records and plays Midi files
  • can be connected to any Midi port (e.g., a digital piano or a synthesizer)
  • Tracks, channels and Midi events can be edited
  • Event quantization
  • Control changes can be visualized
  • Automatic Updates
  • Free
  • Available for Windows and Linux
Note
MidiEditor was developed by Markus Schwenk. It is entirely written in C++ (Qt) and is available for the platforms Linux and Windows. Should MidiEditor be a software which is helpful for you and which you use often, please let the developer and other users know by providing feedback. Moreover, the developer worked on MidiEditor in his (rare) sparetime and offers it for free. So, when you feel like it, pay him a coffee (or two). Please also feel free to contact the developer in case you have any ideas which could help to improve the editor or in the case you found any bugs you want the developer to	fix.
Suggestion, Improvements, Bugreports...
Please feel free to contact the developer if you have any suggestions! Please also reach out to the developer if you found a bug.
Project Page
https://midieditor.org
Manual
https://midieditor.org/index.php?category=manual
About
Provides an interface to edit, record, and play Midi data
Resources
Readme
GPL-3.0 license
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